feat: Run PreValidate hooks for check cmd (#437)

PreValidate can be used to mount remote directories (e.g. via NFS) so
they must executed first before running any restic commands.

This was done for the backup command in 13aa560, but not for check. This
commit fixes that.

.dockerignore

@@ -0,0 +1,6 @@
+*
+!**/*.go
+!build
+!cmd
+!internal
+!go.*

.drone.yml

@@ -0,0 +1,31 @@
+---
+kind: pipeline
+name: default
+
+steps:
+- name: build
+  image: node
+  pull: always
+  commands:
+    - yarn
+    - yarn run bin
+  when:
+    event: tag
+
+- name: publish
+  image: plugins/github-release
+  pull: always
+  settings:
+    api_key:
+      from_secret: github
+    files: bin/*
+    checksum:
+      - sha512
+    note: CHANGELOG.md
+  when:
+    event: tag
+---
+kind: signature
+hmac: 3b1f235f6a6f0ee1aa3f572d0833c4f0eec931dbe0378f31b9efa336a7462912
+
+...

.gitattributes

@@ -0,0 +1 @@
+*.afdesign filter=lfs diff=lfs merge=lfs -text

.github/FUNDING.yml

@@ -0,0 +1 @@
+github: cupcakearmy

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,21 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+<!--  A clear and concise description of what the bug is. -->
+
+**Expected behavior**
+<!-- A clear and concise description of what you expected to happen. -->
+
+**Environment**
+ - OS: [e.g. iOS]
+ - Version: [e.g. 22]
+
+**Additional context**
+<!-- Add any other context about the problem here. -->

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,4 @@
+contact_links:
+  - name: Questions & Help
+    url: https://github.com/cupcakearmy/autorestic/discussions
+    about: Please ask and answer questions here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,14 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+<!-- A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] -->
+
+**Describe the solution you'd like**
+<!-- A clear and concise description of what you want to happen. -->

.github/dependabot.yml

@@ -0,0 +1,8 @@
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/build.yml

@@ -0,0 +1,51 @@
+name: Main
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Docker Labels
+        id: meta
+        uses: crazy-max/ghaction-docker-meta@v4
+        with:
+          images: cupcakearmy/autorestic
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+      - name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v3
+        with:
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
+        with:
+          go-version: '^1.21'
+      - name: Build
+        run: go run build/build.go
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: dist/*
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/ci.yml

@@ -0,0 +1,24 @@
+name: CI
+on:
+  pull_request:
+  push:
+    branches: [master]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
+        with:
+          go-version: '^1.21'
+      - run: go test -v ./...
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
+        with:
+          go-version: '^1.21'
+      - run: go build -v .

.gitignore

@@ -1,8 +1,12 @@
-node_modules/
-package-lock.json
+# Editors
 .idea
+.vscode
 
-config.yml
-bin
-lib
-data
+# Config
+.autorestic*
+
+# Build & Dev
+test
+autorestic
+data
+dist

CHANGELOG.md

@@ -0,0 +1,282 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [1.7.4] - 2023-01-18
+
+### Fixed
+
+- Transformer for extracting information. @11mariom
+
+### Changed
+
+- Bump docker restic version.
+- Docs dependencies updated.
+
+## [1.7.1] - 2022-04-27
+
+### Fixed
+
+- #178 Lean flag not working properly.
+
+## [1.7.0] - 2022-04-27
+
+### Changed
+
+- #147 Stream output instead of buffering.
+
+### Fixed
+
+- #184 duplicate global options.
+- #154 add docs for migration.
+- #182 fix bug with upgrading custom restic with custom path.
+
+## [1.6.2] - 2022-04-14
+
+### Fixed
+
+- Version bump in code.
+
+## [1.6.1] - 2022-04-14
+
+### Fixed
+
+- Bump go version in docker file to 18.
+
+## [1.6.0] - 2022-04-14
+
+### Added
+
+- support for copy command #145
+- partial restore with `--include`, `--exclude`, `--iinclude`, `--iexclude` flags #161
+- run forget automatically after backup #158
+- exit codes to hooks as env variable #142
+
+### Fixed
+
+- Lean flag not removing all output #178
+
+## [1.5.8] - 2022-03-18
+
+### Fixed
+
+- Better error handling for bad config files.
+
+## [1.5.7] - 2022-03-11
+
+### Added
+
+- SSH in docker image. @fariszr
+
+### Security
+
+- Updated dependencies
+
+## [1.5.6] - 2022-03-10
+
+### Fixed
+
+- Add bash in docker image for hooks. @fariszr
+
+## [1.5.5] - 2022-02-16
+
+### Changed
+
+- Go version was updated from `1.16` to `1.17`
+
+### Fixed
+
+- Home directory was not being taken into account for loading configs.
+
+## [1.5.4] - 2022-02-16
+
+### Fixed
+
+- Lean flag not omitting all output.
+
+## [1.5.3] - 2022-02-16
+
+### Fixed
+
+- Error throwing not finding config even it's not being used.
+
+## [1.5.2] - 2022-02-13
+
+### Fixed
+
+- Config loading @jjromannet
+- Making a backup of the file @jjromannet
+
+## [1.5.1] - 2021-12-06
+
+### Changed
+
+- use official docker image instead of installing rclone every time docker is used.
+- docker docs
+
+### Fixed
+
+- lock file not always next to the config file.
+- update / install bugs.
+- lock docker image tag to the current autorestic version
+- better error logging
+
+## [1.5.0] - 2021-11-20
+
+### Added
+
+- Support for multiple paths.
+- Improved error handling.
+- Allow for specific snapshot to be restored.
+- Docker image.
+
+### Fixed
+
+- rclone in docker volumes.
+
+### Changed
+
+- [Breaking Change] Declaration of docker volumes. See: https://autorestic.vercel.app/migration/1.4_1.5.
+- [Breaking Change] Hooks default executing directory now defaults to the config file directory. See: https://autorestic.vercel.app/migration/1.4_1.5.
+
+## [1.4.1] - 2021-10-31
+
+### Fixed
+
+- Numeric values from config files not being passed to env.
+
+## [1.4.0] - 2021-10-30
+
+### Added
+
+- Allow specify to specify a backend for location backup.
+- Global restic flags.
+- Generic ENV support for backends.
+
+### Changed
+
+- Install now only requires `wget`.
+- Env variable for the `KEY` has been renamed from `AUTORESTIC_[BACKEND NAME]_KEY` -> `AUTORESTIC_[BACKEND NAME]_RESTIC_PASSWORD`.
+
+### Fixed
+
+- Error handling during upgrade & uninstall.
+
+## [1.3.0] - 2021-10-26
+
+### Added
+
+- Pass restic backup metadata as ENV to hooks.
+- Support for `XDG_CONFIG_HOME` and `${HOME}/.config` as default locations for `.autorestic.yaml` file.
+- Binary restic flags are now supported.
+- Pass encryption keys from env variables or files.
+
+## [1.2.0] - 2021-08-05
+
+### Added
+
+- Community page
+- Support for yaml references and aliases.
+
+### Fixed
+
+- Better verbose output for hooks.
+- Better error message for bad formatted configs.
+
+## [1.1.2] - 2021-07-11
+
+### Fixes
+
+Don't check all backend when running `forget` or `exec` commands.
+
+## [1.1.1] - 2021-05-17
+
+### Added
+
+- Options for backends.
+
+## [1.1.0] - 2021-05-06
+
+### Added
+
+- use custom restic binary.
+- success & failure hooks.
+
+### Fixed
+
+- don't skip other locations on failure.
+
+## [1.0.9] - 2021-05-01
+
+### Fixed
+
+- Validation for docker volumes.
+
+## [1.0.8] - 2021-04-28
+
+### Added
+
+- `--lean` flag to cron command for less output about skipping backups.
+
+### Fixed
+
+- consistent lower casing in usage descriptions.
+
+## [1.0.7] - 2021-04-26
+
+### Added
+
+- Support for `darwin/arm64` aka Apple Silicon.
+- Added support for `arm64` and `aarch64` in install scripts.
+
+## [1.0.6] - 2021-04-24
+
+### Added
+
+- Support for rclone.
+
+## [1.0.5] - 2021-04-24
+
+### Fixed
+
+- Correct exit code on backup failure and better logging/output/feedback.
+- Check if `from` key is an actual directory.
+
+## [1.0.4] - 2021-04-23
+
+### Added
+
+- Options to add rest username and password in config.
+
+### Fixed
+
+- Don't add empty strings when saving config.
+
+## [1.0.3] - 2021-04-20
+
+### Fixed
+
+- Auto upgrade script was not working on linux as linux does not support writing to the binary that is being executed.
+
+## [1.0.2] - 2021-04-20
+
+### Added
+
+- Add the `cron` tag to backup to backups made with cron.
+
+### Fixed
+
+- Don't unlock lockfile if process is already running.
+
+## [1.0.1] - 2021-04-17
+
+### Added
+
+- Completion command for various shells.
+
+## [1.0.0] - 2021-04-17
+
+- Rewrite in go. See https://autorestic.vercel.app/upgrade for migration.

DEVELOPMENT.md

@@ -0,0 +1,30 @@
+# Development
+
+## Coding
+
+The easiest way (imo) is to run [`gowatch`](https://github.com/silenceper/gowatch) in a separate terminal and the simply run `./autorestic ...`. `gowatch` will watch the code and automatically rebuild the binary when changes are saved to disk.
+
+## Building
+
+```bash
+go run build/build.go
+```
+
+This will build and compress binaries for multiple platforms. The output will be put in the `dist` folder.
+
+## Releasing
+
+Releases are automatically built by the github workflow and uploaded to the release.
+
+1. Bump `VERSION` in `internal/config.go`.
+2. Update `CHANGELOG.md`
+3. Commit to master
+4. Create a new release with the `v1.2.3` tag and mark as pre-release.
+5. The Github action will build the binaries, upload and mark the release as ready when done.
+
+### Brew
+
+1. Download the latest release.
+2. Check the checksum with `shasum -a 256 autorestic-1.2.3.tar.gz`
+3. Update `url` and `sha256` in the brew repo.
+4. Submit PR

Dockerfile

@@ -0,0 +1,13 @@
+FROM golang:1.24-alpine as builder
+
+WORKDIR /app
+COPY go.* .
+RUN go mod download
+COPY . .
+RUN go build
+
+FROM restic/restic:0.17.3
+RUN apk add --no-cache rclone bash curl docker-cli
+COPY --from=builder /app/autorestic /usr/bin/autorestic
+ENTRYPOINT []
+CMD [ "autorestic" ]

LICENSE

@@ -1,21 +1,202 @@
-MIT License
 
-Copyright (c) 2019 Nicco
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
 
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-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
 
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README.md

@@ -1,2 +1,50 @@
-# autorestic
-High level CLI utility for restic
+<p align="center">
+  <br>
+  <br>
+  <br>
+  <img align="center" src="https://github.com/cupcakearmy/autorestic/raw/master/.github/logo.png" height="50" alt="autorestic logo">
+  <br>
+  <br>
+  
+  <p align="center">
+    Config driven, easy backup cli for <a href="https://restic.net/">restic</a>.
+    <br>
+    <strong><a href="https://autorestic.vercel.app/">»»» Docs & Getting Started »»»</a></strong>
+  <br><br>
+  <a target="_blank" href="https://discord.gg/wS7RpYTYd2">
+    <img src="https://img.shields.io/discord/252403122348097536" alt="discord badge" />
+    <img src="https://img.shields.io/github/contributors/cupcakearmy/autorestic" alt="contributor badge" />
+    <img src="https://img.shields.io/github/downloads/cupcakearmy/autorestic/total" alt="downloads badge" />
+    <img src="https://img.shields.io/github/v/release/cupcakearmy/autorestic" alt="version badge" />
+  </a>
+  </p>
+</p>
+
+<br>
+<br>
+
+### 💭 Why / What?
+
+Autorestic is a wrapper around the amazing [restic](https://restic.net/). While being amazing the restic cli can be a bit overwhelming and difficult to manage if you have many different locations that you want to backup to multiple locations. This utility is aimed at making this easier 🙂.
+
+### 🌈 Features
+
+- YAML config files, no CLI
+- Incremental -> Minimal space is used
+- Backup locations to multiple backends
+- Snapshot policies and pruning
+- Fully encrypted
+- Before/after backup hooks
+- Exclude pattern/files
+- Cron jobs for automatic backup
+- Backup & Restore docker volume
+- Generated completions for `[bash|zsh|fish|powershell]`
+
+### ❓ Questions / Support
+
+Check the [discussions page](https://github.com/cupcakearmy/autorestic/discussions) or [join on discord](https://discord.gg/wS7RpYTYd2)
+
+## Contributing / Developing
+
+PRs, feature requests, etc. are welcomed :)
+Have a look at [the dev docs](./DEVELOPMENT.md)

build/build.go

@@ -0,0 +1,132 @@
+// Heavily inspired (copied) by the restic build file
+// https://github.com/restic/restic/blob/aa0faa8c7d7800b6ba7b11164fa2d3683f7f78aa/helpers/build-release-binaries/main.go#L225
+
+package main
+
+import (
+	"crypto/md5"
+	"crypto/sha1"
+	"crypto/sha256"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"path"
+	"path/filepath"
+	"sync"
+
+	"github.com/cupcakearmy/autorestic/internal"
+)
+
+var DIR, _ = filepath.Abs("./dist")
+
+var targets = map[string][]string{
+	// "aix":     {"ppc64"}, // Not supported by fsnotify
+	"darwin":  {"amd64", "arm64"},
+	"freebsd": {"386", "amd64", "arm"},
+	"linux":   {"386", "amd64", "arm", "arm64", "ppc64le", "mips", "mipsle", "mips64", "mips64le", "s390x"},
+	"netbsd":  {"386", "amd64"},
+	"openbsd": {"386", "amd64"},
+	// "windows": {"386", "amd64"}, // Not supported by autorestic
+	"solaris": {"amd64"},
+}
+
+type buildOptions struct {
+	Target, Arch, Version string
+}
+
+const (
+	CHECKSUM_MD5     = "MD5SUMS"
+	CHECKSUM_SHA_1   = "SHA1SUMS"
+	CHECKSUM_SHA_256 = "SHA256SUMS"
+)
+
+type Checksums struct {
+	filename, md5, sha1, sha256 string
+}
+
+func writeChecksums(checksums *[]Checksums) {
+	FILE_MD5, _ := os.OpenFile(path.Join(DIR, CHECKSUM_MD5), os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0600)
+	defer FILE_MD5.Close()
+	FILE_SHA1, _ := os.OpenFile(path.Join(DIR, CHECKSUM_SHA_1), os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0600)
+	defer FILE_SHA1.Close()
+	FILE_SHA256, _ := os.OpenFile(path.Join(DIR, CHECKSUM_SHA_256), os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0600)
+	defer FILE_SHA256.Close()
+
+	for _, checksum := range *checksums {
+		fmt.Fprintf(FILE_MD5, "%s %s\n", checksum.md5, checksum.filename)
+		fmt.Fprintf(FILE_SHA1, "%s %s\n", checksum.sha1, checksum.filename)
+		fmt.Fprintf(FILE_SHA256, "%s %s\n", checksum.sha256, checksum.filename)
+	}
+}
+
+func build(options buildOptions, wg *sync.WaitGroup, checksums *[]Checksums) {
+	defer wg.Done()
+
+	fmt.Printf("Building: %s %s\n", options.Target, options.Arch)
+	out := fmt.Sprintf("autorestic_%s_%s_%s", options.Version, options.Target, options.Arch)
+	out = path.Join(DIR, out)
+
+	// Build
+	{
+		c := exec.Command("go", "build", "-o", out, "./main.go")
+		c.Stdout = os.Stdout
+		c.Stderr = os.Stderr
+		c.Env = append(os.Environ(),
+			"CGO_ENABLED=0",
+			"GOOS="+options.Target,
+			"GOARCH="+options.Arch,
+		)
+		err := c.Run()
+		if err != nil {
+			panic(err)
+		}
+	}
+
+	// Compress
+	{
+		c := exec.Command("bzip2", out)
+		c.Dir = DIR
+		c.Stdout = os.Stdout
+		c.Stderr = os.Stderr
+		err := c.Run()
+		if err != nil {
+			panic(err)
+		}
+	}
+
+	// Checksum
+	{
+		file := out + ".bz2"
+		content, _ := ioutil.ReadFile(file)
+		*checksums = append(*checksums, Checksums{
+			filename: path.Base(file),
+			md5:      fmt.Sprintf("%x", md5.Sum(content)),
+			sha1:     fmt.Sprintf("%x", sha1.Sum(content)),
+			sha256:   fmt.Sprintf("%x", sha256.Sum256(content)),
+		})
+	}
+
+	fmt.Printf("Built: %s\n", path.Base(out))
+}
+
+func main() {
+	os.RemoveAll(DIR)
+	v := internal.VERSION
+	checksums := []Checksums{}
+
+	// Build async
+	var wg sync.WaitGroup
+	for target, archs := range targets {
+		for _, arch := range archs {
+			wg.Add(1)
+			go build(buildOptions{
+				Target:  target,
+				Arch:    arch,
+				Version: v,
+			}, &wg, &checksums)
+		}
+	}
+	wg.Wait()
+	writeChecksums(&checksums)
+}

cmd/backup.go

@@ -0,0 +1,50 @@
+package cmd
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/cupcakearmy/autorestic/internal"
+	"github.com/cupcakearmy/autorestic/internal/colors"
+	"github.com/cupcakearmy/autorestic/internal/lock"
+	"github.com/spf13/cobra"
+)
+
+var backupCmd = &cobra.Command{
+	Use:   "backup",
+	Short: "Create backups for given locations",
+	Run: func(cmd *cobra.Command, args []string) {
+		internal.GetConfig()
+		err := lock.Lock()
+		CheckErr(err)
+		defer lock.Unlock()
+		dry, _ := cmd.Flags().GetBool("dry-run")
+
+		selected, err := internal.GetAllOrSelected(cmd, false)
+		CheckErr(err)
+
+		errors := 0
+		for _, name := range selected {
+			var splitted = strings.Split(name, "@")
+			var specificBackend = ""
+			if len(splitted) > 1 {
+				specificBackend = splitted[1]
+			}
+			location, _ := internal.GetLocation(splitted[0])
+			errs := location.Backup(false, dry, specificBackend)
+			for _, err := range errs {
+				colors.Error.Printf("%s\n\n", err)
+				errors++
+			}
+		}
+		if errors > 0 {
+			CheckErr(fmt.Errorf("%d errors were found", errors))
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(backupCmd)
+	internal.AddFlagsToCommand(backupCmd, false)
+	backupCmd.Flags().Bool("dry-run", false, "do not write changes, show what would be affected")
+}

cmd/check.go

@@ -0,0 +1,27 @@
+package cmd
+
+import (
+	"github.com/cupcakearmy/autorestic/internal"
+	"github.com/cupcakearmy/autorestic/internal/colors"
+	"github.com/cupcakearmy/autorestic/internal/lock"
+	"github.com/spf13/cobra"
+)
+
+var checkCmd = &cobra.Command{
+	Use:   "check",
+	Short: "Check if everything is setup",
+	Run: func(cmd *cobra.Command, args []string) {
+		internal.GetConfig()
+		err := lock.Lock()
+		CheckErr(err)
+		defer lock.Unlock()
+
+		CheckErr(internal.CheckConfig())
+
+		colors.Success.Println("Everything is fine.")
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(checkCmd)
+}

cmd/completion.go

@@ -0,0 +1,70 @@
+package cmd
+
+import (
+	"os"
+
+	"github.com/spf13/cobra"
+)
+
+var completionCmd = &cobra.Command{
+	Use:   "completion [bash|zsh|fish|powershell]",
+	Short: "Generate completion script",
+	Long: `To load completions:
+
+Bash:
+
+  $ source <(autorestic completion bash)
+
+  # To load completions for each session, execute once:
+  # Linux:
+  $ autorestic completion bash > /etc/bash_completion.d/autorestic
+  # macOS:
+  $ autorestic completion bash > /usr/local/etc/bash_completion.d/autorestic
+
+Zsh:
+
+  # If shell completion is not already enabled in your environment,
+  # you will need to enable it.  You can execute the following once:
+
+  $ echo "autoload -U compinit; compinit" >> ~/.zshrc
+
+  # To load completions for each session, execute once:
+  $ autorestic completion zsh > "${fpath[1]}/_autorestic"
+
+  # You will need to start a new shell for this setup to take effect.
+
+fish:
+
+  $ autorestic completion fish | source
+
+  # To load completions for each session, execute once:
+  $ autorestic completion fish > ~/.config/fish/completions/autorestic.fish
+
+PowerShell:
+
+  PS> autorestic completion powershell | Out-String | Invoke-Expression
+
+  # To load completions for every new session, run:
+  PS> autorestic completion powershell > autorestic.ps1
+  # and source this file from your PowerShell profile.
+`,
+	DisableFlagsInUseLine: true,
+	ValidArgs:             []string{"bash", "zsh", "fish", "powershell"},
+	Args:                  cobra.ExactValidArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		switch args[0] {
+		case "bash":
+			cmd.Root().GenBashCompletion(os.Stdout)
+		case "zsh":
+			cmd.Root().GenZshCompletion(os.Stdout)
+		case "fish":
+			cmd.Root().GenFishCompletion(os.Stdout, true)
+		case "powershell":
+			cmd.Root().GenPowerShellCompletionWithDesc(os.Stdout)
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(completionCmd)
+}

cmd/cron.go

@@ -0,0 +1,28 @@
+package cmd
+
+import (
+	"github.com/cupcakearmy/autorestic/internal"
+	"github.com/cupcakearmy/autorestic/internal/flags"
+	"github.com/cupcakearmy/autorestic/internal/lock"
+	"github.com/spf13/cobra"
+)
+
+var cronCmd = &cobra.Command{
+	Use:   "cron",
+	Short: "Run cron job for automated backups",
+	Long:  `Intended to be mainly triggered by an automated system like systemd or crontab. For each location checks if a cron backup is due and runs it.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		internal.GetConfig()
+		err := lock.Lock()
+		CheckErr(err)
+		defer lock.Unlock()
+
+		err = internal.RunCron()
+		CheckErr(err)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(cronCmd)
+	cronCmd.Flags().BoolVar(&flags.CRON_LEAN, "lean", false, "only output information about actual backups")
+}

cmd/exec.go

@@ -0,0 +1,47 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/cupcakearmy/autorestic/internal"
+	"github.com/cupcakearmy/autorestic/internal/colors"
+	"github.com/cupcakearmy/autorestic/internal/lock"
+	"github.com/spf13/cobra"
+)
+
+var execCmd = &cobra.Command{
+	Use:   "exec",
+	Short: "Execute arbitrary native restic commands for given backends",
+	Run: func(cmd *cobra.Command, args []string) {
+		internal.GetConfig()
+		err := lock.Lock()
+		CheckErr(err)
+		defer lock.Unlock()
+
+		selected, err := internal.GetAllOrSelected(cmd, true)
+		CheckErr(err)
+
+		var errors []error
+		for _, name := range selected {
+			colors.PrimaryPrint("  Executing on \"%s\"  ", name)
+			backend, _ := internal.GetBackend(name)
+			err := backend.Exec(args)
+			if err != nil {
+				errors = append(errors, err)
+			}
+		}
+
+		if len(errors) > 0 {
+			for _, err := range errors {
+				colors.Error.Printf("%s\n\n", err)
+			}
+
+			CheckErr(fmt.Errorf("%d errors were found", len(errors)))
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(execCmd)
+	internal.AddFlagsToCommand(execCmd, true)
+}

cmd/forget.go

@@ -0,0 +1,35 @@
+package cmd
+
+import (
+	"github.com/cupcakearmy/autorestic/internal"
+	"github.com/cupcakearmy/autorestic/internal/lock"
+	"github.com/spf13/cobra"
+)
+
+var forgetCmd = &cobra.Command{
+	Use:   "forget",
+	Short: "Forget and optionally prune snapshots according the specified policies",
+	Run: func(cmd *cobra.Command, args []string) {
+		internal.GetConfig()
+		err := lock.Lock()
+		CheckErr(err)
+		defer lock.Unlock()
+
+		selected, err := internal.GetAllOrSelected(cmd, false)
+		CheckErr(err)
+		prune, _ := cmd.Flags().GetBool("prune")
+		dry, _ := cmd.Flags().GetBool("dry-run")
+		for _, name := range selected {
+			location, _ := internal.GetLocation(name)
+			err := location.Forget(prune, dry)
+			CheckErr(err)
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(forgetCmd)
+	internal.AddFlagsToCommand(forgetCmd, false)
+	forgetCmd.Flags().Bool("prune", false, "also prune repository")
+	forgetCmd.Flags().Bool("dry-run", false, "do not write changes, show what would be affected")
+}

cmd/info.go

@@ -0,0 +1,18 @@
+package cmd
+
+import (
+	"github.com/cupcakearmy/autorestic/internal"
+	"github.com/spf13/cobra"
+)
+
+var infoCmd = &cobra.Command{
+	Use:   "info",
+	Short: "Show info about the config",
+	Run: func(cmd *cobra.Command, args []string) {
+		internal.GetConfig().Describe()
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(infoCmd)
+}

cmd/install.go

@@ -0,0 +1,19 @@
+package cmd
+
+import (
+	"github.com/cupcakearmy/autorestic/internal/bins"
+	"github.com/spf13/cobra"
+)
+
+var installCmd = &cobra.Command{
+	Use:   "install",
+	Short: "Install restic if missing",
+	Run: func(cmd *cobra.Command, args []string) {
+		err := bins.InstallRestic()
+		CheckErr(err)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(installCmd)
+}

cmd/restore.go

@@ -0,0 +1,63 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/cupcakearmy/autorestic/internal"
+	"github.com/cupcakearmy/autorestic/internal/lock"
+	"github.com/spf13/cobra"
+)
+
+var restoreCmd = &cobra.Command{
+	Use:   "restore [snapshot id]",
+	Short: "Restore backup for location",
+	Args:  cobra.MaximumNArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		internal.GetConfig()
+		err := lock.Lock()
+		CheckErr(err)
+		defer lock.Unlock()
+
+		location, _ := cmd.Flags().GetString("location")
+		l, ok := internal.GetLocation(location)
+		if !ok {
+			CheckErr(fmt.Errorf("invalid location \"%s\"", location))
+		}
+		target, _ := cmd.Flags().GetString("to")
+		from, _ := cmd.Flags().GetString("from")
+		force, _ := cmd.Flags().GetBool("force")
+		snapshot := ""
+		if len(args) > 0 {
+			snapshot = args[0]
+		}
+
+		// Get optional flags
+		optional := []string{}
+		for _, flag := range []string{"include", "exclude", "iinclude", "iexclude"} {
+			values, err := cmd.Flags().GetStringSlice(flag)
+			if err == nil {
+				for _, value := range values {
+					optional = append(optional, "--"+flag, value)
+				}
+			}
+		}
+
+		err = l.Restore(target, from, force, snapshot, optional)
+		CheckErr(err)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(restoreCmd)
+	restoreCmd.Flags().BoolP("force", "f", false, "Force, target folder will be overwritten")
+	restoreCmd.Flags().String("from", "", "Which backend to use")
+	restoreCmd.Flags().String("to", "", "Where to restore the data")
+	restoreCmd.Flags().StringP("location", "l", "", "Location to be restored")
+	restoreCmd.MarkFlagRequired("location")
+
+	// Passed on flags
+	restoreCmd.Flags().StringSliceP("include", "i", []string{}, "Include a pattern")
+	restoreCmd.Flags().StringSliceP("exclude", "e", []string{}, "Exclude a pattern")
+	restoreCmd.Flags().StringSlice("iinclude", []string{}, "Include a pattern, case insensitive")
+	restoreCmd.Flags().StringSlice("iexclude", []string{}, "Exclude a pattern, case insensitive")
+}

cmd/root.go

@@ -0,0 +1,92 @@
+package cmd
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/cupcakearmy/autorestic/internal"
+	"github.com/cupcakearmy/autorestic/internal/colors"
+	"github.com/cupcakearmy/autorestic/internal/flags"
+	"github.com/cupcakearmy/autorestic/internal/lock"
+	"github.com/spf13/cobra"
+
+	homedir "github.com/mitchellh/go-homedir"
+	"github.com/spf13/viper"
+)
+
+func CheckErr(err error) {
+	if err != nil {
+		colors.Error.Fprintln(os.Stderr, "Error:", err)
+		lock.Unlock()
+		os.Exit(1)
+	}
+}
+
+var cfgFile string
+
+var rootCmd = &cobra.Command{
+	Version: internal.VERSION,
+	Use:     "autorestic",
+	Short:   "CLI Wrapper for restic",
+	Long:    "Documentation:\thttps://autorestic.vercel.app\nSupport:\thttps://discord.gg/wS7RpYTYd2",
+}
+
+func Execute() {
+	CheckErr(rootCmd.Execute())
+}
+
+func init() {
+	rootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", "", "config file (default is $HOME/.autorestic.yml or ./.autorestic.yml)")
+	rootCmd.PersistentFlags().BoolVar(&flags.CI, "ci", false, "CI mode disabled interactive mode and colors and enables verbosity")
+	rootCmd.PersistentFlags().BoolVarP(&flags.VERBOSE, "verbose", "v", false, "verbose mode")
+	rootCmd.PersistentFlags().StringVar(&flags.RESTIC_BIN, "restic-bin", "restic", "specify custom restic binary")
+	rootCmd.PersistentFlags().StringVar(&flags.DOCKER_IMAGE, "docker-image", "cupcakearmy/autorestic:"+internal.VERSION, "specify a custom docker image")
+	cobra.OnInitialize(initConfig)
+}
+
+func initConfig() {
+	if ci, _ := rootCmd.Flags().GetBool("ci"); ci {
+		colors.DisableColors(true)
+		flags.VERBOSE = true
+	}
+
+	if cfgFile != "" {
+		viper.SetConfigFile(cfgFile)
+		viper.AutomaticEnv()
+		if viper.ConfigFileUsed() == "" {
+			colors.Error.Printf("cannot read config file %s\n", cfgFile)
+			os.Exit(1)
+		}
+	} else {
+		configPaths := getConfigPaths()
+		for _, cfgPath := range configPaths {
+			viper.AddConfigPath(cfgPath)
+		}
+		if flags.VERBOSE {
+			colors.Faint.Printf("Using config paths: %s\n", strings.Join(configPaths, " "))
+		}
+		cfgFileName := ".autorestic"
+		viper.SetConfigName(cfgFileName)
+		viper.AutomaticEnv()
+	}
+}
+
+func getConfigPaths() []string {
+	result := []string{"."}
+	if home, err := homedir.Dir(); err == nil {
+		result = append(result, home)
+	}
+
+	{
+		xdgConfigHome, found := os.LookupEnv("XDG_CONFIG_HOME")
+		if !found {
+			if home, err := homedir.Dir(); err == nil {
+				xdgConfigHome = filepath.Join(home, ".config")
+			}
+		}
+		xdgConfig := filepath.Join(xdgConfigHome, "autorestic")
+		result = append(result, xdgConfig)
+	}
+	return result
+}

cmd/root_test.go

@@ -0,0 +1,36 @@
+package cmd
+
+import (
+	"github.com/mitchellh/go-homedir"
+	"os"
+	"path/filepath"
+	"slices"
+	"testing"
+)
+
+const xdgConfigHome = "XDG_CONFIG_HOME"
+
+func assertContains(t *testing.T, array []string, element string) {
+	if !slices.Contains(array, element) {
+		t.Errorf("Expected %s to be contained in %s", element, array)
+	}
+}
+
+func TestConfigResolving(t *testing.T) {
+	t.Run("~/.config/autorestic is used if XDG_CONFIG_HOME is not set", func(t *testing.T) {
+		// Override env using testing so that env gets restored after test
+		t.Setenv(xdgConfigHome, "")
+		_ = os.Unsetenv("XDG_CONFIG_HOME")
+		configPaths := getConfigPaths()
+		homeDir, _ := homedir.Dir()
+		expectedConfigPath := filepath.Join(homeDir, ".config/autorestic")
+		assertContains(t, configPaths, expectedConfigPath)
+	})
+
+	t.Run("XDG_CONFIG_HOME is respected if set", func(t *testing.T) {
+		t.Setenv(xdgConfigHome, "/foo/bar")
+
+		configPaths := getConfigPaths()
+		assertContains(t, configPaths, filepath.Join("/", "foo", "bar", "autorestic"))
+	})
+}

cmd/uninstall.go

@@ -0,0 +1,20 @@
+package cmd
+
+import (
+	"github.com/cupcakearmy/autorestic/internal/bins"
+	"github.com/spf13/cobra"
+)
+
+var uninstallCmd = &cobra.Command{
+	Use:   "uninstall",
+	Short: "Uninstall restic and autorestic",
+	Run: func(cmd *cobra.Command, args []string) {
+		restic, _ := cmd.Flags().GetBool("restic")
+		bins.Uninstall(restic)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(uninstallCmd)
+	uninstallCmd.Flags().Bool("restic", false, "also uninstall restic.")
+}

cmd/unlock.go

@@ -0,0 +1,81 @@
+package cmd
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+	"os/exec"
+	"strings"
+
+	"github.com/cupcakearmy/autorestic/internal"
+	"github.com/cupcakearmy/autorestic/internal/colors"
+	"github.com/cupcakearmy/autorestic/internal/lock"
+	"github.com/spf13/cobra"
+)
+
+var unlockCmd = &cobra.Command{
+	Use:   "unlock",
+	Short: "Unlock autorestic only if you are sure that no other instance is running",
+	Long: `Unlock autorestic only if you are sure that no other instance is running.
+To check you can run "ps aux | grep autorestic".`,
+	Run: func(cmd *cobra.Command, args []string) {
+		internal.GetConfig()
+
+		force, _ := cmd.Flags().GetBool("force")
+
+		if !force && isAutoresticRunning() {
+			colors.Error.Print("Another autorestic instance is running. Are you sure you want to unlock? (yes/no): ")
+			var response string
+			fmt.Scanln(&response)
+			if strings.ToLower(response) != "yes" {
+				colors.Primary.Println("Unlocking aborted.")
+				return
+			}
+		}
+
+		err := lock.Unlock()
+		if err != nil {
+			colors.Error.Println("Could not unlock:", err)
+			return
+		}
+
+		colors.Success.Println("Unlock successful")
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(unlockCmd)
+	unlockCmd.Flags().Bool("force", false, "force unlock")
+}
+
+// isAutoresticRunning checks if autorestic is running
+// and returns true if it is.
+// It also prints the processes to stdout.
+func isAutoresticRunning() bool {
+	cmd := exec.Command("sh", "-c", "ps aux | grep autorestic")
+	var out bytes.Buffer
+	cmd.Stdout = &out
+	err := cmd.Run()
+	if err != nil {
+		return false
+	}
+
+	lines := strings.Split(out.String(), "\n")
+	autoresticProcesses := []string{}
+	currentPid := fmt.Sprint(os.Getpid())
+
+	for _, line := range lines {
+		if strings.Contains(line, "autorestic") && !strings.Contains(line, "grep autorestic") && !strings.Contains(line, currentPid) {
+			autoresticProcesses = append(autoresticProcesses, line)
+		}
+	}
+
+	if len(autoresticProcesses) > 0 {
+		colors.Faint.Println("Found autorestic processes:")
+		for _, proc := range autoresticProcesses {
+			colors.Faint.Println(proc)
+		}
+		return true
+	}
+	return false
+}

cmd/upgrade.go

@@ -0,0 +1,21 @@
+package cmd
+
+import (
+	"github.com/cupcakearmy/autorestic/internal/bins"
+	"github.com/spf13/cobra"
+)
+
+var upgradeCmd = &cobra.Command{
+	Use:   "upgrade",
+	Short: "Upgrade autorestic and restic",
+	Run: func(cmd *cobra.Command, args []string) {
+		restic, _ := cmd.Flags().GetBool("restic")
+		err := bins.Upgrade(restic)
+		CheckErr(err)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(upgradeCmd)
+	upgradeCmd.Flags().Bool("restic", true, "also update restic")
+}

config.sample.yml

@@ -1,18 +0,0 @@
-locations:
-  home:
-    from: /home/myUser
-    to: remote
-  important:
-    from: /path/to/important/stuff
-    to:
-      - remote
-      - hdd
-backends:
-  remote:
-    type: b2
-    path: 'myBucket:backup/home'
-    B2_ACCOUNT_ID: account_id
-    B2_ACCOUNT_KEY: account_key
-  hdd:
-    type: local
-    path: /mnt/my_external_storage

docs/.gitignore

@@ -0,0 +1,2 @@
+node_modules
+.next

docs/.nvmrc

@@ -0,0 +1 @@
+v22.7.0

docs/next.config.js

@@ -0,0 +1,6 @@
+const withNextra = require('nextra')({
+  theme: 'nextra-theme-docs',
+  themeConfig: './theme.config.jsx',
+})
+
+module.exports = withNextra()

docs/package.json

@@ -0,0 +1,15 @@
+{
+  "scripts": {
+    "build": "NEXT_TELEMETRY_DISABLED=1 next build",
+    "dev": "NEXT_TELEMETRY_DISABLED=1 next",
+    "start": "NEXT_TELEMETRY_DISABLED=1 next start"
+  },
+  "dependencies": {
+    "next": "^14.2.7",
+    "nextra": "^2.13.4",
+    "nextra-theme-docs": "^2.13.4",
+    "react": "^18.3.1",
+    "react-dom": "^18.3.1"
+  },
+  "packageManager": "pnpm@9.9.0"
+}

docs/pages/_meta.json

@@ -0,0 +1,10 @@
+{
+  "index": "Home",
+  "quick": "Quick Start",
+  "installation": "Installation",
+  "config": "Configuration",
+  "location": "Locations",
+  "backend": "Backend",
+  "cli": "CLI",
+  "migration": "Migration"
+}

docs/pages/backend/_meta.json

@@ -0,0 +1,6 @@
+{
+  "index": "Overview",
+  "available": "Available backends",
+  "options": "Options",
+  "env": "Environment"
+}

docs/pages/backend/available.md

@@ -0,0 +1,85 @@
+# Available Backends
+
+In theory [all the restic backends](https://restic.readthedocs.io/en/stable/030_preparing_a_new_repo.html) are supported.
+
+Those tested are the following:
+
+> ℹ️ You can also [specify the `env` variables in a config file](/backend/env) to separate them from the config file.
+
+## Local
+
+```yaml
+backends:
+  name-of-backend:
+    type: local
+    path: /data/my/backups
+```
+
+## Backblaze
+
+```yaml
+backends:
+  name-of-backend:
+    type: b2
+    path: 'bucket_name'
+    # Or With a path
+    # path: 'bucket_name:/some/path'
+    env:
+      B2_ACCOUNT_ID: 'backblaze_keyID'
+      B2_ACCOUNT_KEY: 'backblaze_applicationKey'
+```
+
+#### API Keys gotcha
+
+If you use a _File name prefix_ when making the application key, do not include a leading slash. Make sure to include this prefix in the path (e.g. `path: 'bucket_name:my/path'`).
+
+## S3 / Minio
+
+```yaml
+backends:
+  name-of-backend:
+    type: s3
+    path: s3.amazonaws.com/bucket_name
+    # Minio
+    # path: http://localhost:9000/bucket_name
+    env:
+      AWS_ACCESS_KEY_ID: my_key
+      AWS_SECRET_ACCESS_KEY: my_secret
+```
+
+## SFTP
+
+For SFTP to work you need to use configure your host inside of ~/.ssh/config as password prompt is not supported. For more information on this topic please see the [official docs](https://restic.readthedocs.io/en/stable/030_preparing_a_new_repo.html#sftp) on the matter.
+
+```yaml
+backends:
+  name-of-backend:
+    type: sftp
+    path: my-host:/remote/path/on/the/server
+```
+
+## Rest Server
+
+See [here](https://github.com/restic/rest-server) for how to install a rest server backend and [here](https://restic.readthedocs.io/en/latest/030_preparing_a_new_repo.html#rest-server) for further documentation.
+
+```yaml
+backends:
+  name-of-backend:
+    type: rest
+    path: http://localhost:8000/repo_name
+    # Or authenticated
+    path: https://user:pass@host:6969/path
+```
+
+Optionally you can set user and password separately
+
+```yaml
+backends:
+  rest:
+    type: rest
+    path: http://localhost:6969/path
+    key: ...
+    rest:
+      user: user
+      password: pass
+```

docs/pages/backend/env.md

@@ -0,0 +1,65 @@
+# Environment
+
+> ⚠ Available since version `v1.4.0`
+
+Sometimes it's favorable not having the encryption keys in the config files.
+For that `autorestic` allows passing the env variables to backend password as `ENV` variables, or through an env file.
+You can also pass whatever `env` variable to restic by prefixing it with `AUTORESTIC_[BACKEND NAME]_`.
+
+> ℹ️ Env variables and file overwrite the config file in the following order:
+>
+> Env Variables > Env File (`.autorestic.env`) > Config file (`.autorestic.yaml`)
+
+## Env file
+
+Alternatively `autorestic` can load an env file, located next to `.autorestic.yml` called `.autorestic.env`.
+
+```
+AUTORESTIC_FOO_RESTIC_PASSWORD=secret123
+```
+
+### Example with repository password
+
+The syntax for the `ENV` variables is as follows: `AUTORESTIC_[BACKEND NAME]_RESTIC_PASSWORD`.
+
+```yaml | autorestic.yaml
+backend:
+  foo:
+    type: ...
+    path: ...
+    key: secret123 # => AUTORESTIC_FOO_RESTIC_PASSWORD=secret123
+```
+
+This means we could remove `key: secret123` from `.autorestic.yaml` and execute as follows:
+
+```bash
+AUTORESTIC_FOO_RESTIC_PASSWORD=secret123 autorestic backup ...
+```
+
+### Example with Backblaze B2
+
+```yaml | autorestic.yaml
+backends:
+  bb:
+    type: b2
+    path: myBucket
+    key: myPassword
+    env:
+      B2_ACCOUNT_ID: 123
+      B2_ACCOUNT_KEY: 456
+```
+
+You could create an `.autorestic.env` or pass the following `ENV` variables to autorestic:
+
+```
+AUTORESTIC_BB_RESTIC_PASSWORD=myPassword
+AUTORESTIC_BB_B2_ACCOUNT_ID=123
+AUTORESTIC_BB_B2_ACCOUNT_KEY=456
+```
+
+```yaml | autorestic.yaml
+backends:
+  bb:
+    type: b2
+    path: myBucket
+```

docs/pages/backend/index.md

@@ -0,0 +1,40 @@
+# 💽 Backends
+
+Backends are the outputs of the backup process. Each location needs at least one.
+
+Note: names of backends MUST be lower case!
+
+```yaml | .autorestic.yml
+version: 2
+
+backends:
+  name-of-backend:
+    type: local
+    path: /data/my/backups
+```
+
+## Types
+
+We restic supports multiple types of backends. See the [full list](/backend/available) for details.
+
+## Avoid Generating Keys
+
+By default, `autorestic` will generate a key for every backend if none is defined. This is done by updating your config file with the key.
+
+In cases where you want to provide the key yourself, you can ensure that `autorestic` doesn't accidentally generate one for you by setting `requireKey: true`.
+
+Example:
+
+```yaml | .autorestic.yml
+version: 2
+
+backends:
+  foo:
+    type: local
+    path: /data/my/backups
+    # Alternatively, you can set the key through the `AUTORESTIC_FOO_RESTIC_PASSWORD` environment variable.
+    key: ... your key here ...
+    requireKey: true
+```
+
+With this setting, if a key is missing, `autorestic` will crash instead of generating a new key and updating your config file.

docs/pages/backend/options.md

@@ -0,0 +1,17 @@
+# Options
+
+> ℹ️ For more detail see the [location docs](/location/options) for options, as they are the same.
+
+```yaml
+backend:
+  foo:
+    type: ...
+    path: ...
+    options:
+      backup:
+        tag:
+          - foo
+          - bar
+```
+
+In this example, whenever `autorestic` runs `restic backup` it will append a `--tag abc --tag` to the native command.

docs/pages/cli/_meta.json

@@ -0,0 +1,3 @@
+{
+  "general": "General"
+}

docs/pages/cli/backup.md

@@ -0,0 +1,26 @@
+# Backup
+
+```bash
+autorestic backup [-l, --location] [-a, --all] [--dry-run]
+```
+
+Performs a backup of all locations if the `-a` flag is passed. To only backup some locations pass one or more `-l` or `--location` flags.
+
+The `--dry-run` flag will do a dry run showing what would have been deleted, but won't touch the actual data.
+
+
+```bash
+# All
+autorestic backup -a
+
+# Some
+autorestic backup -l foo -l bar
+```
+
+## Specific location
+
+`autorestic` also allows selecting specific backends for a location with the `location@backend` syntax.
+
+```bash
+autorestic backup -l location@backend
+```

docs/pages/cli/check.md

@@ -0,0 +1,9 @@
+# Check
+
+```bash
+autorestic check
+```
+
+Checks locations and backends are configured properly and initializes them if they are not already.
+
+This is mostly an internal command, but useful to verify if a backend is configured correctly.

docs/pages/cli/completion.md

@@ -0,0 +1,15 @@
+# Completion
+
+```bash
+autorestic completion [bash|zsh|fish|powershell]
+```
+
+Autorestic can generate shell completions automatically to make the experience even easier.
+Supported shells are
+
+- bash
+- zsh
+- fish
+- powershell
+
+To see how to install run `autorestic help completion` and follow the instructions for your specific shell

docs/pages/cli/cron.md

@@ -0,0 +1,11 @@
+# Cron
+
+```bash
+autorestic cron [--lean]
+```
+
+This command is mostly intended to be triggered by an automated system like systemd or crontab.
+
+It will run cron jobs as [specified in the cron section](/location/cron) of a specific location.
+
+The `--lean` flag will omit output like _skipping location x: not due yet_. This can be useful if you are dumping the output of the cron job to a log file and don't want to be overwhelmed by the output log.

docs/pages/cli/exec.md

@@ -0,0 +1,13 @@
+# Exec
+
+```bash
+autorestic exec [-b, --backend]  [-a, --all] <command> -- [native options]
+```
+
+This is a very handy command which enables you to run any native restic command on desired backends. Generally you will want to include the verbose flag `-v, --verbose` to see the output. An example would be listing all the snapshots of all your backends:
+
+```bash
+autorestic exec -av -- snapshots
+```
+
+With `exec` you can basically run every cli command that you would be able to run with the restic cli. It only pre-fills path, key, etc.

docs/pages/cli/forget.md

@@ -0,0 +1,11 @@
+# Forget
+
+```bash
+autorestic forget [-l, --location] [-a, --all] [--dry-run] [--prune]
+```
+
+This will prune and remove old data form the backends according to the [keep policy you have specified for the location](/location/options/forget).
+
+The `--dry-run` flag will do a dry run showing what would have been deleted, but won't touch the actual data.
+
+The `--prune` flag will also [prune the data](https://restic.readthedocs.io/en/latest/060_forget.html#removing-backup-snapshots). This is a costly operation that can take longer, however it will free up the actual space.

docs/pages/cli/general.md

@@ -0,0 +1,36 @@
+# General
+
+## `-c, --config`
+
+Specify the config file to be used (must use .yml as an extension).
+If omitted `autorestic` will search for for a `.autorestic.yml` in the current directory and your home directory.
+
+```bash
+autorestic -c /path/to/my/config.yml
+```
+
+## `--ci`
+
+Run the CLI in CI Mode, which means there will be no interactivity, no colors and automatically sets the `--verbose` flag.
+
+This can be useful when you want to run cron e.g. as all the output will be saved.
+
+```bash
+autorestic --ci backup -a
+```
+
+## `-v, --verbose`
+
+Verbose mode will show the output of the native restic commands that are otherwise not printed out. Useful for debugging or logging in automated tasks.
+
+```bash
+autorestic --verbose backup -a
+```
+
+## `--restic-bin`
+
+With `--restic-bin` you can specify to run a specific restic binary. This can be useful if you want to [create a custom binary with root access that can be executed by any user](https://restic.readthedocs.io/en/stable/080_examples.html#full-backup-without-root).
+
+```bash
+autorestic --restic-bin /some/path/to/my/custom/restic/binary
+```

docs/pages/cli/info.md

@@ -0,0 +1,16 @@
+# Info
+
+Displays the config file that autorestic is referring to.
+Useful when you want to quickly see what locations are being backed-up where.
+
+**Pro tip:** if it gets a bit long you can read it more easily with `autorestic info | less` 😉
+
+```bash
+autorestic info
+```
+
+## With a custom file
+
+```bash
+autorestic -c path/to/some/config.yml info
+```

docs/pages/cli/install.md

@@ -0,0 +1,7 @@
+# Install
+
+Installs both restic and autorestic to `/usr/local/bin`.
+
+```bash
+autorestic install
+```

docs/pages/cli/restore.md

@@ -0,0 +1,17 @@
+# Restore
+
+```bash
+autorestic restore [-l, --location] [--from backend] [--to <out dir>] [-f, --force] [snapshot]
+```
+
+This will restore the location to the selected target. If for one location there are more than one backends specified autorestic will take the first one. If no specific snapshot is specified `autorestic` will use `latest`.
+
+If you are sure you can pass the `-f, --force` flag and the data will be overwritten in the destination. However note that this will overwrite all the data existent in the backup, not only the 1 file that is missing e.g.
+
+## Example
+
+```bash
+autorestic restore -l home --from hdd --to /path/where/to/restore
+```
+
+This will restore the location `home` to the `/path/where/to/restore` folder and taking the data from the backend `hdd`

docs/pages/cli/uninstall.md

@@ -0,0 +1,7 @@
+# Uninstall
+
+Uninstalls both restic and autorestic from `/usr/local/bin`.
+
+```bash
+autorestic uninstall
+```

docs/pages/cli/unlock.md

@@ -0,0 +1,32 @@
+# Unlock
+
+In case autorestic throws the error message `an instance is already running. exiting`, but there is no instance running you can unlock the lock.
+
+To verify that there is no instance running you can use `ps aux | grep autorestic`.
+
+Example with no instance running:
+
+```bash
+> ps aux | grep autorestic
+root       39260  0.0  0.0   6976  2696 pts/11   S+   19:41   0:00 grep autorestic
+```
+
+Example with an instance running:
+
+```bash
+> ps aux | grep autorestic
+root       29465  0.0  0.0 1162068 7380 pts/7    Sl+  19:28   0:00 autorestic --ci backup -a
+root       39260  0.0  0.0   6976  2696 pts/11   S+   19:41   0:00 grep autorestic
+```
+
+**If an instance is running you should not unlock as it could lead to data loss!**
+
+```bash
+autorestic unlock
+```
+
+Use the `--force` to prevent the confirmation prompt if an instance is running.
+
+```bash
+autorestic unlock --force
+```

docs/pages/cli/upgrade.md

@@ -0,0 +1,9 @@
+# Upgrade
+
+Autorestic can upgrade itself! Super handy right? Simply run autorestic upgrade and we will check for you if there are updates for restic and autorestic and install them if necessary.
+
+```bash
+autorestic upgrade
+```
+
+Updates both restic and autorestic automagically.

docs/pages/community.md

@@ -0,0 +1,17 @@
+# 🏘 Community
+
+## Software
+
+A list of community driven projects. (No official affiliation)
+
+- SystemD Units: <https://gitlab.com/py_crash/autorestic-systemd-units>
+- Docker image: <https://github.com/pascaliske/docker-autorestic>
+- Ansible Role: <https://github.com/adsanz/ansible-restic-role>
+- Ansible Role: <https://github.com/ItsNotGoodName/ansible-role-autorestic>
+- Ansible Role: <https://github.com/FuzzyMistborn/ansible-role-autorestic>
+- Ansible Role: <https://0xacab.org/varac-projects/ansible-role-autorestic>
+- Ansible Role: <https://github.com/dbrennand/ansible-role-autorestic>
+
+## Writing
+
+- [restic: excellent resource for local and cloud backup](https://notes.nicfab.eu/en/posts/restic/)

docs/pages/config.md

@@ -0,0 +1,88 @@
+# 🎛 Config File
+
+## Path
+
+By default autorestic searches for a `.autorestic.yml` file in the current directory, your home folder and your XDG config folder (`~/.config/` by default):
+
+- `./.autorestic.yml`
+- `~/.autorestic.yml`
+- `~/.config/autorestic/.autorestic.yml`
+
+You can also specify a custom file with the `-c path/to/some/config.yml`
+
+> **⚠️ WARNING ⚠️**
+>
+> Note that the data is automatically encrypted on the server. The key will be generated and added to your config file. Every backend will have a separate key. **You should keep a copy of the keys or config file somewhere in case your server dies**. Otherwise DATA IS LOST!
+
+## Example configuration
+
+```yaml | .autorestic.yml
+version: 2
+
+locations:
+  home:
+    from: /home/me
+    to: remote
+
+  important:
+    from: /path/to/important/stuff
+    to:
+      - remote
+      - hdd
+
+backends:
+  remote:
+    type: b2
+    path: 'myBucket:backup/home'
+    env:
+      B2_ACCOUNT_ID: account_id
+      B2_ACCOUNT_KEY: account_key
+
+  hdd:
+    type: local
+    path: /mnt/my_external_storage
+```
+
+## Aliases
+
+A handy tool for more advanced configurations is to use yaml aliases.
+These must be specified under the global `extras` key in the `.autorestic.yml` config file.
+Aliases allow to reuse snippets of config throughout the same file.
+
+The following example shows how the locations `a` and `b` share the same hooks and forget policies.
+
+```yaml | .autorestic.yml
+version: 2
+
+extras:
+  hooks: &foo
+    prevalidate:
+      - echo "Wake up!"
+    before:
+      - echo "Hello"
+    after:
+      - echo "kthxbye"
+  policies: &bar
+    keep-daily: 14
+    keep-weekly: 52
+
+backends:
+  # ...
+locations:
+  a:
+    from: /data/a
+    to: some
+    hooks:
+      <<: *foo
+    options:
+      forget:
+        <<: *bar
+  b:
+    from: data/b
+    to: some
+    hooks:
+      <<: *foo
+    options:
+      forget:
+        <<: *bar
+```

docs/pages/contributors.md

@@ -0,0 +1,19 @@
+# 🙋‍♀️🙋‍♂️ Contributors
+
+This amazing people helped the project!
+
+- @agateblue - Docs, Pruning, S3.
+- @g-a-c - Update/Install bugs.
+- @jjromannet - Bug fixes.
+- @fariszr - Docker image improvements.
+- @david-boles - Docs.
+- @SebDanielsson - Brew.
+- @n194 - AUR Package.
+- @olofvndrhr - Healthchecks example.
+- @jin-park-dev - Typos.
+- @sumnerboy12 - Typos.
+- @FuzzyMistborn - Typos.
+- @ChanceM - Typos.
+- @TheForcer - Typos.
+- @themorlan - Typos.
+- @somebox - Typos.

docs/pages/docker.md

@@ -0,0 +1,28 @@
+# 🐳 Docker
+
+The docker image is build with rclone and restic already included. It's ment more as a utility image.
+
+## Remote hosts
+
+For remote backups (S3, B2, GCS, etc.) it's quite easy, as you only need to mount the config file and the data to backup.
+
+```bash
+docker run --rm \\
+  -v $(pwd):/data \\
+  cupcakearmy/autorestic \\
+  autorestic backup -va -c /data/.autorestic.yaml
+```
+
+## Rclone
+
+For rclone you will have to also mount the rclone config file to `/root/.config/rclone/rclone.conf`.
+
+To check where it is located you can run the following command: `rclone config file`.
+
+**Example**
+
+```bash
+docker run \\
+  -v /home/user/.config/rclone/rclone.conf:/root/.config/rclone/rclone.conf:ro \\
+  ...
+```

docs/pages/examples.md

@@ -0,0 +1,38 @@
+# 🐣 Examples
+
+## List all the snapshots for all the backends
+
+```bash
+autorestic exec -av -- snapshots
+```
+
+## Unlock a locked repository
+
+This can come in handy if a backup process crashed or if it was accidentally cancelled. Then the repository would still be locked without an actual process using it. Only do this if you know what you are doing and are sure no other process is actually reading/writing to the repository of course.
+
+```bash
+autorestic exec -b my-backend -- unlock
+```
+
+## Use hooks to integrate with [healthchecks](https://healthchecks.io/)
+
+> Thanks to @olofvndrhr for providing it ❤️
+
+```yaml
+extras:
+  healthchecks: &healthchecks
+    hooks:
+      before:
+        - 'curl -m 10 --retry 5 -X POST -H "Content-Type: text/plain" --data "Starting backup for location: ${AUTORESTIC_LOCATION}" https://<healthchecks-url>/ping/<uid>/start'
+      failure:
+        - 'curl -m 10 --retry 5 -X POST -H "Content-Type: text/plain" --data "Backup failed for location: ${AUTORESTIC_LOCATION}" https://<healthchecks-url>/ping/<uid>/fail'
+      success:
+        - 'curl -m 10 --retry 5 -X POST -H "Content-Type: text/plain" --data "Backup successful for location: ${AUTORESTIC_LOCATION}" https://<healthchecks-url>/ping/<uid>'
+
+locations:
+  something:
+    <<: *healthchecks
+    from: /somewhere
+    to:
+      - somewhere-else
+```

docs/pages/index.md

@@ -0,0 +1,20 @@
+# autorestic
+
+High backup level CLI utility for [restic](https://restic.net/).
+
+Autorestic is a wrapper around the amazing [restic](https://restic.net/). While being amazing the restic cli can be a bit overwhelming and difficult to manage if you have many different location that you want to backup to multiple locations. This utility is aimed at making this easier 🙂
+
+> If you are coming from `0.x` see the [upgrade guide](/upgrade).
+
+## 🌈 Features
+
+- YAML config files, no CLI
+- Incremental -> Minimal space is used
+- Backup locations to multiple backends
+- Snapshot policies and pruning
+- Fully encrypted
+- Before/after backup hooks
+- Exclude pattern/files
+- Cron jobs for automatic backup
+- Backup & Restore docker volumes
+- Generated completions for `[bash|zsh|fish|powershell]`

docs/pages/installation.md

@@ -0,0 +1,33 @@
+# 🛳 Installation
+
+Linux & macOS. Windows is not supported. If you have problems installing please open an issue :)
+
+Autorestic requires `bash`, `wget` and `bzip2` to be installed. For most systems these should be already installed.
+
+```bash
+wget -qO - https://raw.githubusercontent.com/cupcakearmy/autorestic/master/install.sh | bash
+```
+
+## Alternatives
+
+### Docker
+
+There is an official docker image over at [cupcakearmy/autorestic](https://hub.docker.com/r/cupcakearmy/autorestic).
+
+For some examples see [here](/docker).
+
+### Manual
+
+You can download the right binary from the release page and simply copy it to `/usr/local/bin` or whatever path you prefer. Autoupdates will still work.
+
+### Brew
+
+If you are on macOS you can install through brew: `brew install autorestic`.
+
+### Fedora
+
+Fedora users can install the [autorestic](https://src.fedoraproject.org/rpms/autorestic/) package with `dnf install autorestic`.
+
+### AUR
+
+If you are on Arch there is an [AUR Package](https://aur.archlinux.org/packages/autorestic-bin/)

docs/pages/location/_meta.json

@@ -0,0 +1,7 @@
+{
+  "index": "Overview",
+  "hooks": "Hooks",
+  "options": "Options",
+  "cron": "Cronjobs",
+  "docker": "Docker volumes"
+}

docs/pages/location/cron.md

@@ -0,0 +1,53 @@
+# Cron
+
+Often it is useful to trigger backups automatically. For this, we can specify a `cron` attribute to each location.
+
+```yaml | .autorestic.yml
+locations:
+  my-location:
+    from: /data
+    to: my-backend
+    cron: '0 3 * * 0' # Every Sunday at 3:00
+```
+
+Here is an awesome website with [some examples](https://crontab.guru/examples.html) and an [explorer](https://crontab.guru/).
+
+## Installing the cron
+
+**This has to be done only once, regardless of how many cron jobs you have in your config file.**
+
+To actually enable cron jobs you need something to call `autorestic cron` on a timed schedule.
+Note that the schedule has nothing to do with the `cron` attribute in each location.
+My advice would be to trigger the command every 5min, but if you have a cronjob that runs only once a week, it's probably enough to schedule it once a day.
+
+### Crontab
+
+Here is an example using crontab, but systemd would do too.
+
+First, open your crontab in edit mode
+
+```bash
+crontab -e
+```
+
+Then paste this at the bottom of the file and save it. Note that in this specific example the config file is located at one of the default locations (e.g. `~/.autorestic.yml`). If your config is somewhere else you'll need to specify it using the `-c` option.
+
+```bash
+# This is required, as it otherwise cannot find restic as a command.
+PATH="/usr/local/bin:/usr/bin:/bin"
+
+# Example running every 5 minutes
+*/5 * * * * autorestic -c /path/to/my/.autorestic.yml --ci cron
+```
+
+> The `--ci` option is not required, but recommended
+
+To debug a cron job you can use
+
+```bash
+*/5 * * * * autorestic -c /path/to/my/.autorestic.yml --ci cron > /tmp/autorestic.log 2>&1
+```
+
+Now you can add as many `cron` attributes as you wish in the config file ⏱
+
+> Also note that manually triggered backups with `autorestic backup` will not influence the cron timeline, they are intentionally not linked.

docs/pages/location/docker.md

@@ -0,0 +1,37 @@
+# Docker
+
+autorestic supports docker volumes directly, without needing them to be mounted to the host filesystem.
+
+```yaml | docker-compose.yml
+version: '3.8'
+
+volumes:
+  data:
+    name: my-data
+
+services:
+  api:
+    image: alpine
+    volumes:
+      - data:/foo/bar
+```
+
+```yaml | .autorestic.yml
+locations:
+  hello:
+    from: my-data
+    type: volume
+    # ...
+```
+
+Now you can backup and restore as always.
+
+```bash
+autorestic backup -l hello
+```
+
+```bash
+autorestic restore -l hello
+```
+
+The volume has to exists whenever backing up or restoring.

docs/pages/location/hooks.md

@@ -0,0 +1,85 @@
+# Hooks
+
+If you want to perform some commands before and/or after a backup, you can use hooks.
+
+They consist of a list of commands that will be executed in the same directory as the target `from`.
+
+The following hooks groups are supported, none are required:
+
+- `prevalidate`
+- `before`
+- `after`
+- `failure`
+- `success`
+
+The difference between `prevalidate` and `before` hooks are that `prevalidate` is run before checking the backup location is valid, including checking that the `from` directories exist. This can be useful, for example, to mount the source filesystem that contains the directories listed in `from`.
+
+```yml | .autorestic.yml
+locations:
+  my-location:
+    from: /data
+    to: my-backend
+    hooks:
+      prevalidate:
+        - echo "Checks"
+      before:
+        - echo "One"
+        - echo "Two"
+        - echo "Three"
+      after:
+        - echo "Bye"
+      failure:
+        - echo "Something went wrong"
+      success:
+        - echo "Well done!"
+```
+
+## Flowchart
+
+1. `prevalidate` hook
+2. Check backup location
+3. `before` hook
+4. Run backup
+5. `after` hook
+6. - `success` hook if no errors were found
+   - `failure` hook if at least one error was encountered
+
+If either the `prevalidate` or `before` hook encounters errors then the backup and `after` hooks will be skipped and only the `failed` hooks will run.
+
+## Environment variables
+
+All hooks are exposed to the `AUTORESTIC_LOCATION` environment variable, which contains the location name.
+
+The `after` and `success` hooks have access to additional information with the following syntax:
+
+```bash
+AUTORESTIC_[TYPE]_[I]
+AUTORESTIC_[TYPE]_[BACKEND_NAME]
+```
+
+Every type of metadata is appended with both the name of the backend associated with and the number in which the backends where executed.
+
+### Available Metadata Types
+
+- `SNAPSHOT_ID`
+- `PARENT_SNAPSHOT_ID`
+- `FILES_ADDED`
+- `FILES_CHANGED`
+- `FILES_UNMODIFIED`
+- `DIRS_ADDED`
+- `DIRS_CHANGED`
+- `DIRS_UNMODIFIED`
+- `ADDED_SIZE`
+- `PROCESSED_FILES`
+- `PROCESSED_SIZE`
+- `PROCESSED_DURATION`
+
+#### Example
+
+Assuming you have a location `bar` that backs up to a single backend named `foo` you could expect the following env variables:
+
+```bash
+AUTORESTIC_LOCATION=bar
+AUTORESTIC_FILES_ADDED_0=42
+AUTORESTIC_FILES_ADDED_FOO=42
+```

docs/pages/location/index.md

@@ -0,0 +1,33 @@
+# 🗂 Locations
+
+Locations can be seen as the input to the backup process. Generally this is simply a folder.
+The paths can be relative from the config file. A location can have multiple backends, so that the data is secured across multiple servers.
+
+Note: names of locations MUST be lower case!
+
+```yaml | .autorestic.yml
+version: 2
+
+locations:
+  my-location-name:
+    from: path/to/backup
+    # Or multiple
+    # from:
+    #   - /a
+    #   - /b
+    to:
+      - name-of-backend
+      - also-backup-to-this-backend
+```
+
+## `from`
+
+This is the source of the location. Can be an `array` for multiple sources.
+
+#### How are paths resolved?
+
+Paths can be absolute or relative. If relative they are resolved relative to the location of the config file. Tilde `~` paths are also supported for home folder resolution.
+
+## `to`
+
+This is either a single backend or an array of backends. The backends have to be configured in the same config file.

docs/pages/location/options/_meta.json

@@ -0,0 +1,3 @@
+{
+  "index": "Overview"
+}

docs/pages/location/options/copy.md

@@ -0,0 +1,31 @@
+# Copy
+
+Instead of specifying multiple `to` backends for a given `location` you can also use the `copy` option. Instead of recalculating the backup multiple times, you can copy the freshly copied snapshot from one backend to the other, avoiding recomputation.
+
+###### Example
+
+```yaml | .autorestic.yml
+locations:
+  my-location:
+    from: /data
+    to:
+      - a #Fast
+      - b #Fast
+      - c #Slow
+```
+
+Becomes
+
+```yaml | .autorestic.yml
+locations:
+  my-location:
+    from: /data
+    to:
+      - a
+      - b
+    copy:
+      a:
+        - c
+```
+
+Instead of backing up to each backend separately, you can choose that the snapshot created to `a` will be copied over to `c`, avoiding heavy computation on `c`.

docs/pages/location/options/exclude.md

@@ -0,0 +1,18 @@
+# Excluding files
+
+If you want to exclude certain files or folders it done easily by specifying the right flags in the location you desire to filter.
+
+The flags are taken straight from the [restic cli exclude rules](https://restic.readthedocs.io/en/latest/040_backup.html#excluding-files) so you can use any flag used there.
+
+```yaml
+locations:
+  my-location:
+    from: /data
+    to: my-backend
+    options:
+      backup:
+        exclude:
+          - '*.nope'
+          - '*.abc'
+        exclude-file: .gitignore
+```

docs/pages/location/options/forget.md

@@ -0,0 +1,55 @@
+# Forget/Prune Policies
+
+Autorestic supports declaring snapshot policies for location to avoid keeping old snapshot around if you don't need them.
+
+This is based on [Restic's snapshots policies](https://restic.readthedocs.io/en/latest/060_forget.html#removing-snapshots-according-to-a-policy), and can be enabled for each location as shown below:
+
+> **Note** This is a full example, of course you also can specify only one of them
+
+```yaml | .autorestic.yml
+version: 2
+
+locations:
+  etc:
+    from: /etc
+    to: local
+    options:
+      forget:
+        keep-last: 5 # always keep at least 5 snapshots
+        keep-hourly: 3 # keep 3 last hourly snapshots
+        keep-daily: 4 # keep 4 last daily snapshots
+        keep-weekly: 1 # keep 1 last weekly snapshots
+        keep-monthly: 12 # keep 12 last monthly snapshots
+        keep-yearly: 7 # keep 7 last yearly snapshots
+        keep-within: '14d' # keep snapshots from the last 14 days
+```
+
+## Globally
+
+You can specify global forget policies that would be applied to all locations:
+
+```yaml | .autorestic.yml
+version: 2
+
+global:
+  forget:
+    keep-daily: 30
+    keep-weekly: 52
+```
+
+## Automatically forget after backup
+
+You can also configure `autorestic` to automatically run the forget command for you after every backup. You can do that by specifying the `forget` option.
+
+```yaml | .autorestic.yml
+version: 2
+
+locations:
+  etc:
+    from: /etc
+    to: local
+    forget: prune # Or only "yes" if you don't want to prune
+    options:
+      forget:
+        keep-last: 5
+```

docs/pages/location/options/index.md

@@ -0,0 +1,65 @@
+# Options
+
+For the `backup` and `forget` commands you can pass any native flags to `restic`. In addition you can specify flags for every command with `all`.
+
+If flags don't start with `-` they will get prefixed with `--`.
+
+Flags without arguments can be set to `true`. They will be handled accordingly.
+
+> ℹ️ It is also possible to set options for an [entire backend](/backend/options) or globally (see below).
+
+```yaml
+locations:
+  foo:
+    # ...
+    options:
+      all:
+        some-flag: 123
+        # Equivalent to
+        --some-flag: 123
+      backup:
+        boolean-flag: true
+        tag:
+          - foo
+          - bar
+```
+
+## Example
+
+In this example, whenever `autorestic` runs `restic backup` it will append a `--tag foo --tag bar` to the native command.
+
+```yaml
+locations:
+  foo:
+    path: ...
+    to: ...
+    options:
+      backup:
+        tag:
+          - foo
+          - bar
+```
+
+## Priority
+
+Options can be set globally, on the backends or on the locations.
+
+The priority is as follows: `location > backend > global`.
+
+## Global Options
+
+It is possible to specify global flags that will be run every time restic is invoked. To do so specify them under `global` in your config file.
+
+```yaml
+global:
+  all:
+    cache-dir: ~/restic
+  backup:
+    tag:
+      - foo
+
+backends:
+  # ...
+locations:
+  # ...
+```

docs/pages/migration.md

@@ -0,0 +1,4 @@
+# Migration
+
+- [From 0.x to 1.0](/migration/0.x_1.0)
+- [From 1.4 to 1.5](/migration/1.4_1.5)

docs/pages/migration/0.x_1.0.md

@@ -0,0 +1,24 @@
+# From `0.x` to `1.0`
+
+Most of the config file is remained compatible, however to clean up the backends custom environment variables were moved from the root object to an `env` object.
+
+```yaml
+# Before
+remote:
+    type: b2
+    path: bucket:path/to/backup
+    key: some random encryption key
+    B2_ACCOUNT_ID: id
+    B2_ACCOUNT_KEY: key
+
+# After
+remote:
+    type: b2
+    path: bucket:path/to/backup
+    key: some random encryption key
+    env:
+      B2_ACCOUNT_ID: id
+      B2_ACCOUNT_KEY: key
+```
+
+Other than the config file there is a new `-v, --verbose` flag which shows the output of native commands, which are now hidden by default.

docs/pages/migration/1.4_1.5.md

@@ -0,0 +1,66 @@
+# Migration from `1.4` to `1.5`
+
+## ⚠️ Important notes
+
+The way snapshots are referenced in the `restore` and `prune` commands has been changed. Before they were referenced by the path. Now every backup is tagged and those tags are then referenced in the cli. This means that when running restore and forget commands old backups are not taken into account anymore.
+
+## Config files
+
+- The config file now required to have a version number. This has to be added with `version: 2` at the root.
+- Hooks now optionally support `dir: /some/dir` in the [options object](https://pkg.go.dev/github.com/cupcakearmy/autorestic/internal#Hooks).
+- Docker volumes don't get prefixed with `volume:` anymore, rather you have to set the `type: volume` in the [location config](https://pkg.go.dev/github.com/cupcakearmy/autorestic/internal#Hooks).
+
+See detailed instructions below.
+
+## Config Version
+
+```yaml
+version: 2 # Added
+
+backends:
+  # ...
+```
+
+## Hooks
+
+Since `1.5` multiple sources for a location are possible.
+For this reason, while before hooks where executed in the folder of the source, now they are executed in the directory of the config `.autorestic.yaml`.
+
+You can overwrite this behavior with the new `dir` option in the hook section of the config.
+
+```yaml
+locations:
+  l1:
+    # ...
+    from: /foo/bar
+    hooks:
+      dir: /foo/bar
+      before: pwd
+```
+
+## Docker volumes
+
+The syntax with docker volumes has changed and needs to be adjusted.
+
+```yaml
+# Before
+locations:
+  foo:
+    from: volume:my-data
+```
+
+```yaml
+# After
+locations:
+  foo:
+    from: my-data
+    type: volume
+```
+
+## Tagging
+
+Autorestic changed the way backups are referenced. Before we took the paths as the identifying information. Now autorestic uses native restic tags to reference them. This means that old backups are not referenced. You can the old snapshots manually. An example can be shown below.
+
+```bash
+autorestic exec -va -- tag --add ar:location:LOCATION_NAME # Only if you have only one location
+```

docs/pages/migration/_meta.json

@@ -0,0 +1,4 @@
+{
+  "0.x_1.0": "0.x → 1.0",
+  "1.4_1.5": "1.4 → 1.5"
+}

docs/pages/qa.md

@@ -0,0 +1,8 @@
+# ❓ QA
+
+## My config file was moved?
+
+This happens when autorestic needs to write to the config file: e.g. when we are generating a key for you.
+Unfortunately during this process formatting and comments are lost because the `yaml` library used is not comment and/or format aware.
+
+That is why autorestic will place a copy of your old config next to the one we are writing to.

docs/pages/quick.md

@@ -0,0 +1,84 @@
+# 🚀 Quickstart
+
+## Installation
+
+```bash
+wget -qO - https://raw.githubusercontent.com/cupcakearmy/autorestic/master/install.sh | bash
+```
+
+See [installation](/installation) for alternative options.
+
+## Write a simple config file
+
+```bash
+vim ~/.autorestic.yml
+```
+
+For a quick overview:
+
+- `locations` can be seen as the inputs and `backends` the output where the data is stored and backed up.
+- One `location` can have one or multiple `backends` for redundancy.
+- One `backend` can also be the target for multiple `locations`.
+
+> **⚠️ WARNING ⚠️**
+>
+> Note that the data is automatically encrypted on the server. The key will be generated and added to your config file. Every backend will have a separate key. **You should keep a copy of the keys or config file somewhere in case your server dies**. Otherwise DATA IS LOST!
+
+```yaml | .autorestic.yml
+version: 2
+
+locations:
+  home:
+    from: /home
+    # Or multiple
+    # from:
+    #  - /foo
+    #  - /bar
+    to: remote
+
+  important:
+    from: /path/to/important/stuff
+    to:
+      - remote
+      - hdd
+
+backends:
+  remote:
+    type: s3
+    path: 's3.amazonaws.com/bucket_name'
+    key: some-random-password-198rc79r8y1029c8yfewj8f1u0ef87yh198uoieufy
+    env:
+      AWS_ACCESS_KEY_ID: account_id
+      AWS_SECRET_ACCESS_KEY: account_key
+
+  hdd:
+    type: local
+    path: /mnt/my_external_storage
+    key: 'if not key is set it will be generated for you'
+```
+
+## Check
+
+```bash
+autorestic check
+```
+
+This checks if the config file has any issues. If this is the first time this can take longer as autorestic will setup the backends.
+
+Now is good time to **backup the config**. After you run autorestic at least once we will add the generated encryption keys to the config.
+
+## Backup
+
+```bash
+autorestic backup -a
+```
+
+This will do a backup of all locations.
+
+## Restore
+
+```bash
+autorestic restore -l home --from hdd --to /path/where/to/restore
+```
+
+This will restore the location `home` from the backend `hdd` to the given path.

docs/theme.config.jsx

@@ -0,0 +1,24 @@
+export default {
+  logo: <span>Autorestic</span>,
+  docsRepositoryBase: 'https://github.com/cupcakearmy/autorestic/tree/master/docs',
+  project: {
+    link: 'https://github.com/cupcakearmy/autorestic',
+  },
+  sidebar: {
+    defaultMenuCollapseLevel: 1,
+  },
+  feedback: {
+    content: 'Question? An error? Give feedback →',
+  },
+  footer: {
+    text: (
+      <span>
+        MIT {new Date().getFullYear()} ©{' '}
+        <a href="https://github.com/cupcakearmy" target="_blank">
+          cupcakearmy
+        </a>
+        .
+      </span>
+    ),
+  },
+}

go.mod

@@ -0,0 +1,39 @@
+module github.com/cupcakearmy/autorestic
+
+go 1.21
+
+require (
+	github.com/blang/semver/v4 v4.0.0
+	github.com/buger/goterm v1.0.0
+	github.com/fatih/color v1.13.0
+	github.com/joho/godotenv v1.4.0
+	github.com/mitchellh/go-homedir v1.1.0
+	github.com/robfig/cron v1.2.0
+	github.com/spf13/cobra v1.4.0
+	github.com/spf13/viper v1.11.0
+	github.com/stretchr/testify v1.9.0
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/fsnotify/fsnotify v1.5.1 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/magiconair/properties v1.8.6 // indirect
+	github.com/mattn/go-colorable v0.1.12 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/mitchellh/mapstructure v1.4.3 // indirect
+	github.com/pelletier/go-toml v1.9.4 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.0-beta.8 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/spf13/afero v1.8.2 // indirect
+	github.com/spf13/cast v1.4.1 // indirect
+	github.com/spf13/jwalterweatherman v1.1.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/subosito/gotenv v1.2.0 // indirect
+	golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f // indirect
+	golang.org/x/text v0.3.8 // indirect
+	gopkg.in/ini.v1 v1.66.4 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

go.sum

@@ -0,0 +1,502 @@
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+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=

install.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+set -e -o pipefail
+shopt -s nocaseglob
+
+OUT_FILE=/usr/local/bin/autorestic
+
+# Type
+NATIVE_OS=$(uname | tr '[:upper:]' '[:lower:]')
+if [[ $NATIVE_OS == *"linux"* ]]; then
+    OS=linux
+elif [[ $NATIVE_OS == *"darwin"* ]]; then
+    OS=darwin
+elif [[ $NATIVE_OS == *"freebsd"* ]]; then
+    OS=freebsd
+else
+    echo "Could not determine OS automatically, please check the release page manually: https://github.com/cupcakearmy/autorestic/releases"
+    exit 1
+fi
+echo $OS
+
+NATIVE_ARCH=$(uname -m | tr '[:upper:]' '[:lower:]')
+if [[ $NATIVE_ARCH == *"x86_64"* || $NATIVE_ARCH == *"amd64"* ]]; then
+    ARCH=amd64
+elif [[ $NATIVE_ARCH == *"arm64"* || $NATIVE_ARCH == *"aarch64"* ]]; then
+    ARCH=arm64
+elif [[ $NATIVE_ARCH == *"x86"* ]]; then
+    ARCH=386
+elif [[ $NATIVE_ARCH == *"armv7"* ]]; then
+    ARCH=arm
+else
+    echo "Could not determine Architecure automatically, please check the release page manually: https://github.com/cupcakearmy/autorestic/releases"
+    exit 1
+fi
+echo $ARCH
+
+if ! command -v bzip2 &>/dev/null; then
+    echo "Missing bzip2 command. Please install the bzip2 package for your system."
+    exit 1
+fi
+
+wget -qO - https://api.github.com/repos/cupcakearmy/autorestic/releases/latest \
+| grep "browser_download_url.*_${OS}_${ARCH}" \
+| cut -d : -f 2,3 \
+| tr -d \" \
+| wget -O "${OUT_FILE}.bz2" -i -
+bzip2 -fd "${OUT_FILE}.bz2"
+chmod +x ${OUT_FILE}
+
+autorestic install
+echo "Successfully installed autorestic"

internal/backend.go

@@ -0,0 +1,215 @@
+package internal
+
+import (
+	"crypto/rand"
+	"encoding/base64"
+	"fmt"
+	"net/url"
+	"os"
+	"regexp"
+	"strings"
+
+	"github.com/cupcakearmy/autorestic/internal/colors"
+	"github.com/cupcakearmy/autorestic/internal/flags"
+)
+
+type BackendRest struct {
+	User     string `mapstructure:"user,omitempty" yaml:"user,omitempty"`
+	Password string `mapstructure:"password,omitempty" yaml:"password,omitempty"`
+}
+
+type Backend struct {
+	name       string
+	Type       string            `mapstructure:"type,omitempty" yaml:"type,omitempty"`
+	Path       string            `mapstructure:"path,omitempty" yaml:"path,omitempty"`
+	Key        string            `mapstructure:"key,omitempty" yaml:"key,omitempty"`
+	RequireKey bool              `mapstructure:"requireKey,omitempty" yaml:"requireKey,omitempty"`
+	Env        map[string]string `mapstructure:"env,omitempty" yaml:"env,omitempty"`
+	Rest       BackendRest       `mapstructure:"rest,omitempty" yaml:"rest,omitempty"`
+	Options    Options           `mapstructure:"options,omitempty" yaml:"options,omitempty"`
+}
+
+func GetBackend(name string) (Backend, bool) {
+	b, ok := GetConfig().Backends[name]
+	b.name = name
+	return b, ok
+}
+
+func (b Backend) generateRepo() (string, error) {
+	switch b.Type {
+	case "local":
+		return GetPathRelativeToConfig(b.Path)
+	case "rest":
+		parsed, err := url.Parse(os.ExpandEnv(b.Path))
+		if err != nil {
+			return "", err
+		}
+		if b.Rest.User != "" {
+			if b.Rest.Password == "" {
+				parsed.User = url.User(b.Rest.User)
+			} else {
+				parsed.User = url.UserPassword(b.Rest.User, b.Rest.Password)
+			}
+		}
+		return fmt.Sprintf("%s:%s", b.Type, parsed.String()), nil
+	case "b2", "azure", "gs", "s3", "sftp", "rclone":
+		return fmt.Sprintf("%s:%s", b.Type, b.Path), nil
+	default:
+		return "", fmt.Errorf("backend type \"%s\" is invalid", b.Type)
+	}
+}
+
+var nonAlphaRegex = regexp.MustCompile("[^A-Za-z0-9]")
+
+func (b Backend) getEnv() (map[string]string, error) {
+	env := make(map[string]string)
+	// Key
+	if b.Key != "" {
+		env["RESTIC_PASSWORD"] = b.Key
+	}
+
+	// From config file
+	repo, err := b.generateRepo()
+	env["RESTIC_REPOSITORY"] = repo
+	for key, value := range b.Env {
+		env[strings.ToUpper(key)] = value
+	}
+
+	// From Envfile and passed as env
+	nameForEnv := strings.ToUpper(b.name)
+	nameForEnv = nonAlphaRegex.ReplaceAllString(nameForEnv, "_")
+	var prefix = "AUTORESTIC_" + nameForEnv + "_"
+	for _, variable := range os.Environ() {
+		var splitted = strings.SplitN(variable, "=", 2)
+		if strings.HasPrefix(splitted[0], prefix) {
+			env[strings.TrimPrefix(splitted[0], prefix)] = splitted[1]
+		}
+	}
+
+	return env, err
+}
+
+func generateRandomKey() string {
+	b := make([]byte, 64)
+	rand.Read(b)
+	key := base64.StdEncoding.EncodeToString(b)
+	key = strings.ReplaceAll(key, "=", "")
+	key = strings.ReplaceAll(key, "+", "")
+	key = strings.ReplaceAll(key, "/", "")
+	return key
+}
+
+func (b Backend) validate() error {
+	if b.Type == "" {
+		return fmt.Errorf(`Backend "%s" has no "type"`, b.name)
+	}
+	if b.Path == "" {
+		return fmt.Errorf(`Backend "%s" has no "path"`, b.name)
+	}
+	if b.Key == "" {
+		// Check if key is set in environment
+		env, _ := b.getEnv()
+		if _, found := env["RESTIC_PASSWORD"]; !found {
+			if b.RequireKey {
+				return fmt.Errorf("backend %s requires a key but none was provided", b.name)
+			}
+			// No key set in config file or env => generate random key and save file
+			key := generateRandomKey()
+			b.Key = key
+			c := GetConfig()
+			tmp := c.Backends[b.name]
+			tmp.Key = key
+			c.Backends[b.name] = tmp
+			if err := c.SaveConfig(); err != nil {
+				return err
+			}
+		}
+	}
+	env, err := b.getEnv()
+	if err != nil {
+		return err
+	}
+	options := ExecuteOptions{Envs: env, Silent: true}
+	// Check if already initialized
+	cmd := []string{"check"}
+	cmd = append(cmd, combineBackendOptions("check", b)...)
+	_, _, err = ExecuteResticCommand(options, cmd...)
+	if err == nil {
+		return nil
+	} else {
+		// If not initialize
+		colors.Body.Printf("Initializing backend \"%s\"...\n", b.name)
+		cmd := []string{"init"}
+		cmd = append(cmd, combineBackendOptions("init", b)...)
+		_, _, err := ExecuteResticCommand(options, cmd...)
+		return err
+	}
+}
+
+func (b Backend) Exec(args []string) error {
+	env, err := b.getEnv()
+	if err != nil {
+		return err
+	}
+	options := ExecuteOptions{Envs: env}
+	args = append(args, combineBackendOptions("exec", b)...)
+	_, out, err := ExecuteResticCommand(options, args...)
+	if err != nil {
+		colors.Error.Println(out)
+		return err
+	}
+	return nil
+}
+
+func (b Backend) ExecDocker(l Location, args []string) (int, string, error) {
+	env, err := b.getEnv()
+	if err != nil {
+		return -1, "", err
+	}
+	volume := l.From[0]
+	options := ExecuteOptions{
+		Command: "docker",
+		Envs:    env,
+	}
+	dir := "/data"
+	args = append([]string{"restic"}, args...)
+	docker := []string{
+		"run", "--rm",
+		"--entrypoint", "ash",
+		"--workdir", dir,
+		"--volume", volume + ":" + dir,
+	}
+	// Use of docker host, not the container host
+	if hostname, err := os.Hostname(); err == nil {
+		docker = append(docker, "--hostname", hostname)
+	}
+	switch b.Type {
+	case "local":
+		actual := env["RESTIC_REPOSITORY"]
+		docker = append(docker, "--volume", actual+":"+"/repo")
+		env["RESTIC_REPOSITORY"] = "/repo"
+	case "b2":
+	case "s3":
+	case "azure":
+	case "gs":
+	case "rest":
+		// No additional setup needed
+	case "rclone":
+		// Read host rclone config and mount it into the container
+		code, configFile, err := ExecuteCommand(ExecuteOptions{Command: "rclone"}, "config", "file")
+		if err != nil {
+			return code, "", err
+		}
+		splitted := strings.Split(strings.TrimSpace(configFile), "\n")
+		configFilePath := splitted[len(splitted)-1]
+		docker = append(docker, "--volume", configFilePath+":"+"/root/.config/rclone/rclone.conf:ro")
+	default:
+		return -1, "", fmt.Errorf("Backend type \"%s\" is not supported as volume endpoint", b.Type)
+	}
+	for key, value := range env {
+		docker = append(docker, "--env", key+"="+value)
+	}
+
+	docker = append(docker, flags.DOCKER_IMAGE, "-c", strings.Join(args, " "))
+	return ExecuteCommand(options, docker...)
+}

internal/backend_test.go

@@ -0,0 +1,265 @@
+package internal
+
+import (
+	"fmt"
+	"os"
+	"testing"
+
+	"github.com/spf13/viper"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGenerateRepo(t *testing.T) {
+
+	t.Run("empty backend", func(t *testing.T) {
+		b := Backend{
+			name: "empty backend",
+			Type: "",
+		}
+		_, err := b.generateRepo()
+		if err == nil {
+			t.Errorf("Error expected for empty backend type")
+		}
+	})
+
+	t.Run("local backend", func(t *testing.T) {
+		b := Backend{
+			name: "local backend",
+			Type: "local",
+			Path: "/foo/bar",
+		}
+		result, err := b.generateRepo()
+		if err != nil {
+			t.Errorf("unexpected error %v", err)
+		}
+		assertEqual(t, result, "/foo/bar")
+	})
+
+	t.Run("local backend with homedir prefix", func(t *testing.T) {
+		b := Backend{
+			name: "local backend",
+			Type: "local",
+			Path: "~/foo/bar",
+		}
+		result, err := b.generateRepo()
+		if err != nil {
+			t.Errorf("unexpected error %v", err)
+		}
+		assertEqual(t, result, fmt.Sprintf("%s/foo/bar", os.Getenv("HOME")))
+	})
+
+	t.Run("local backend with config file", func(t *testing.T) {
+		// config file path should always be present from initConfig
+		viper.SetConfigFile("/tmp/.autorestic.yml")
+		defer viper.Reset()
+
+		b := Backend{
+			name: "local backend",
+			Type: "local",
+		}
+		result, err := b.generateRepo()
+		if err != nil {
+			t.Errorf("unexpected error %v", err)
+		}
+		assertEqual(t, result, "/tmp")
+	})
+
+	t.Run("rest backend with valid path", func(t *testing.T) {
+		b := Backend{
+			name: "rest backend",
+			Type: "rest",
+			Path: "http://localhost:8000/foo",
+		}
+		result, err := b.generateRepo()
+		if err != nil {
+			t.Errorf("unexpected error %v", err)
+		}
+		assertEqual(t, result, "rest:http://localhost:8000/foo")
+	})
+
+	t.Run("rest backend with user", func(t *testing.T) {
+		b := Backend{
+			name: "rest backend",
+			Type: "rest",
+			Path: "http://localhost:8000/foo",
+			Rest: BackendRest{
+				User:     "user",
+				Password: "",
+			},
+		}
+		result, err := b.generateRepo()
+		if err != nil {
+			t.Errorf("unexpected error %v", err)
+		}
+		assertEqual(t, result, "rest:http://user@localhost:8000/foo")
+	})
+
+	t.Run("rest backend with user and password", func(t *testing.T) {
+		b := Backend{
+			name: "rest backend",
+			Type: "rest",
+			Path: "http://localhost:8000/foo",
+			Rest: BackendRest{
+				User:     "user",
+				Password: "pass",
+			},
+		}
+		result, err := b.generateRepo()
+		if err != nil {
+			t.Errorf("unexpected error %v", err)
+		}
+		assertEqual(t, result, "rest:http://user:pass@localhost:8000/foo")
+	})
+
+	backendTests := []struct {
+		name    string
+		backend Backend
+		want    string
+	}{
+		{name: "b2 backend", backend: Backend{name: "b2", Type: "b2", Path: "foo"}, want: "b2:foo"},
+		{name: "azure backend", backend: Backend{name: "azure", Type: "azure", Path: "foo"}, want: "azure:foo"},
+		{name: "gs backend", backend: Backend{name: "gs", Type: "gs", Path: "foo"}, want: "gs:foo"},
+		{name: "s3 backend", backend: Backend{name: "s3", Type: "s3", Path: "foo"}, want: "s3:foo"},
+		{name: "sftp backend", backend: Backend{name: "sftp", Type: "sftp", Path: "foo"}, want: "sftp:foo"},
+		{name: "rclone backend", backend: Backend{name: "rclone", Type: "rclone", Path: "foo"}, want: "rclone:foo"},
+	}
+
+	for _, tt := range backendTests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := tt.backend.generateRepo()
+			if err != nil {
+				t.Errorf("unexpected error %v", err)
+			}
+			assertEqual(t, got, tt.want)
+		})
+	}
+}
+
+func TestGetEnv(t *testing.T) {
+	t.Run("env in key field", func(t *testing.T) {
+		b := Backend{
+			name: "",
+			Type: "local",
+			Path: "/foo/bar",
+			Key:  "secret123",
+		}
+		result, err := b.getEnv()
+		if err != nil {
+			t.Errorf("unexpected error %v", err)
+		}
+		assertEqual(t, result["RESTIC_REPOSITORY"], "/foo/bar")
+		assertEqual(t, result["RESTIC_PASSWORD"], "secret123")
+	})
+
+	t.Run("env in config file", func(t *testing.T) {
+		b := Backend{
+			name: "",
+			Type: "local",
+			Path: "/foo/bar",
+			Env: map[string]string{
+				"B2_ACCOUNT_ID":  "foo123",
+				"B2_ACCOUNT_KEY": "foo456",
+			},
+		}
+		result, err := b.getEnv()
+		if err != nil {
+			t.Errorf("unexpected error %v", err)
+		}
+		assertEqual(t, result["RESTIC_REPOSITORY"], "/foo/bar")
+		assertEqual(t, result["RESTIC_PASSWORD"], "")
+		assertEqual(t, result["B2_ACCOUNT_ID"], "foo123")
+		assertEqual(t, result["B2_ACCOUNT_KEY"], "foo456")
+	})
+
+	t.Run("env in Envfile or env vars", func(t *testing.T) {
+		// generate env variables
+		// TODO better way to teardown
+		defer os.Unsetenv("AUTORESTIC_FOO_RESTIC_PASSWORD")
+		defer os.Unsetenv("AUTORESTIC_FOO_B2_ACCOUNT_ID")
+		defer os.Unsetenv("AUTORESTIC_FOO_B2_ACCOUNT_KEY")
+		os.Setenv("AUTORESTIC_FOO_RESTIC_PASSWORD", "secret123")
+		os.Setenv("AUTORESTIC_FOO_B2_ACCOUNT_ID", "foo123")
+		os.Setenv("AUTORESTIC_FOO_B2_ACCOUNT_KEY", "foo456")
+
+		b := Backend{
+			name: "foo",
+			Type: "local",
+			Path: "/foo/bar",
+		}
+		result, err := b.getEnv()
+		if err != nil {
+			t.Errorf("unexpected error %v", err)
+		}
+		assertEqual(t, result["RESTIC_REPOSITORY"], "/foo/bar")
+		assertEqual(t, result["RESTIC_PASSWORD"], "secret123")
+		assertEqual(t, result["B2_ACCOUNT_ID"], "foo123")
+		assertEqual(t, result["B2_ACCOUNT_KEY"], "foo456")
+	})
+
+	for _, char := range "@-_:/" {
+		t.Run(fmt.Sprintf("env var with special char (%c)", char), func(t *testing.T) {
+			// generate env variables
+			// TODO better way to teardown
+			defer os.Unsetenv("AUTORESTIC_FOO_BAR_RESTIC_PASSWORD")
+			defer os.Unsetenv("AUTORESTIC_FOO_BAR_B2_ACCOUNT_ID")
+			defer os.Unsetenv("AUTORESTIC_FOO_BAR_B2_ACCOUNT_KEY")
+			os.Setenv("AUTORESTIC_FOO_BAR_RESTIC_PASSWORD", "secret123")
+			os.Setenv("AUTORESTIC_FOO_BAR_B2_ACCOUNT_ID", "foo123")
+			os.Setenv("AUTORESTIC_FOO_BAR_B2_ACCOUNT_KEY", "foo456")
+
+			b := Backend{
+				name: fmt.Sprintf("foo%cbar", char),
+				Type: "local",
+				Path: "/foo/bar",
+			}
+			result, err := b.getEnv()
+			if err != nil {
+				t.Errorf("unexpected error %v", err)
+			}
+			assertEqual(t, result["RESTIC_REPOSITORY"], "/foo/bar")
+			assertEqual(t, result["RESTIC_PASSWORD"], "secret123")
+			assertEqual(t, result["B2_ACCOUNT_ID"], "foo123")
+			assertEqual(t, result["B2_ACCOUNT_KEY"], "foo456")
+		})
+	}
+}
+
+func TestValidate(t *testing.T) {
+	t.Run("no type given", func(t *testing.T) {
+		b := Backend{
+			name: "foo",
+			Type: "",
+			Path: "/foo/bar",
+		}
+		err := b.validate()
+		if err == nil {
+			t.Error("expected to get error")
+		}
+		assertEqual(t, err.Error(), "Backend \"foo\" has no \"type\"")
+	})
+
+	t.Run("no path given", func(t *testing.T) {
+		b := Backend{
+			name: "foo",
+			Type: "local",
+			Path: "",
+		}
+		err := b.validate()
+		if err == nil {
+			t.Error("expected to get error")
+		}
+		assertEqual(t, err.Error(), "Backend \"foo\" has no \"path\"")
+	})
+
+	t.Run("require key with no key", func(t *testing.T) {
+		b := Backend{
+			name:       "foo",
+			Type:       "local",
+			Path:       "~/foo/bar",
+			RequireKey: true,
+		}
+		err := b.validate()
+		fmt.Printf("error: %v\n", err)
+		assert.EqualError(t, err, "backend foo requires a key but none was provided")
+	})
+}

internal/bins/bins.go

@@ -0,0 +1,173 @@
+package bins
+
+import (
+	"compress/bzip2"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"path"
+	"runtime"
+	"strings"
+
+	"github.com/blang/semver/v4"
+	"github.com/cupcakearmy/autorestic/internal"
+	"github.com/cupcakearmy/autorestic/internal/colors"
+	"github.com/cupcakearmy/autorestic/internal/flags"
+)
+
+const INSTALL_PATH = "/usr/local/bin"
+
+type GithubReleaseAsset struct {
+	Name string `json:"name"`
+	Link string `json:"browser_download_url"`
+}
+type GithubRelease struct {
+	Tag    string               `json:"tag_name"`
+	Assets []GithubReleaseAsset `json:"assets"`
+}
+
+func dlJSON(url string) (GithubRelease, error) {
+	var parsed GithubRelease
+	resp, err := http.Get(url)
+	if err != nil {
+		return parsed, err
+	}
+	defer resp.Body.Close()
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return parsed, err
+
+	}
+	json.Unmarshal(body, &parsed)
+	return parsed, nil
+}
+
+func Uninstall(restic bool) error {
+	if err := os.Remove(path.Join(INSTALL_PATH, "autorestic")); err != nil {
+		return err
+	}
+	if restic {
+		if err := os.Remove(path.Join(INSTALL_PATH, "restic")); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func downloadAndInstallAsset(body GithubRelease, name string) error {
+	ending := fmt.Sprintf("_%s_%s.bz2", runtime.GOOS, runtime.GOARCH)
+	for _, asset := range body.Assets {
+		if strings.HasSuffix(asset.Name, ending) {
+			// Download archive
+			colors.Faint.Println("Downloading:", asset.Link)
+			resp, err := http.Get(asset.Link)
+			if err != nil {
+				return err
+			}
+			defer resp.Body.Close()
+
+			// Uncompress
+			bz := bzip2.NewReader(resp.Body)
+
+			// Save to tmp file in the same directory as the install directory
+			// Linux does not support overwriting the file that is currently being running
+			// But it can be delete the old one and a new one moved in its place.
+			tmp, err := os.CreateTemp(INSTALL_PATH, "autorestic-")
+			if err != nil {
+				return err
+			}
+			defer tmp.Close()
+			if err := tmp.Chmod(0755); err != nil {
+				return err
+			}
+			if _, err := io.Copy(tmp, bz); err != nil {
+				return err
+			}
+
+			to := path.Join(INSTALL_PATH, name)
+			defer os.Remove(tmp.Name()) // Cleanup temporary file after thread exits
+
+			mode := os.FileMode(0755)
+			if originalBin, err := os.Lstat(to); err == nil {
+				mode = originalBin.Mode()
+				err := os.Remove(to)
+				if err != nil {
+					return err
+				}
+			}
+
+			err = os.Rename(tmp.Name(), to)
+			if err != nil {
+				return err
+			}
+
+			err = os.Chmod(to, mode)
+			if err != nil {
+				return err
+			}
+
+			colors.Success.Printf("Successfully installed '%s' under %s\n", name, INSTALL_PATH)
+			return nil
+		}
+	}
+	return errors.New("could not find right binary for your system, please install restic manually. https://bit.ly/2Y1Rzai")
+}
+
+func InstallRestic() error {
+	installed := internal.CheckIfCommandIsCallable("restic")
+	if installed {
+		colors.Body.Println("restic already installed")
+		return nil
+	} else {
+		if body, err := dlJSON("https://api.github.com/repos/restic/restic/releases/latest"); err != nil {
+			return err
+		} else {
+			return downloadAndInstallAsset(body, "restic")
+		}
+	}
+}
+
+func upgradeRestic() error {
+	_, _, err := internal.ExecuteCommand(internal.ExecuteOptions{
+		Command: flags.RESTIC_BIN,
+	}, "self-update")
+	return err
+}
+
+func Upgrade(restic bool) error {
+	// Upgrade restic
+	if restic {
+		if err := InstallRestic(); err != nil {
+			return err
+		}
+		if err := upgradeRestic(); err != nil {
+			return err
+		}
+	}
+
+	// Upgrade self
+	current, err := semver.ParseTolerant(internal.VERSION)
+	if err != nil {
+		return err
+	}
+	body, err := dlJSON("https://api.github.com/repos/cupcakearmy/autorestic/releases/latest")
+	if err != nil {
+		return err
+	}
+	latest, err := semver.ParseTolerant(body.Tag)
+	if err != nil {
+		return err
+	}
+	if current.LT(latest) {
+		if err := downloadAndInstallAsset(body, "autorestic"); err != nil {
+			return err
+		}
+		colors.Success.Println("Updated autorestic")
+	} else {
+		colors.Body.Println("Already up to date")
+	}
+	return nil
+}

internal/colors/colors.go

@@ -0,0 +1,29 @@
+package colors
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/fatih/color"
+)
+
+var Body = color.New()
+var Primary = color.New(color.Bold, color.BgBlue, color.FgHiWhite)
+var Secondary = color.New(color.Bold, color.FgCyan)
+var Success = color.New(color.FgGreen)
+var Error = color.New(color.FgRed, color.Bold)
+var Faint = color.New(color.Faint)
+
+func PrimaryPrint(msg string, args ...interface{}) {
+	fmt.Printf("\n\n%s\n\n", Primary.Sprintf("  "+msg+"  ", args...))
+}
+
+func DisableColors(state bool) {
+	color.NoColor = state
+}
+
+func PrintDescription(left string, right string) {
+	right = strings.Trim(right, "\n")
+	right = strings.Trim(right, "\t")
+	Body.Printf("%s\t%s\n", Secondary.Sprint(left), right)
+}

internal/config.go

@@ -0,0 +1,343 @@
+package internal
+
+import (
+	"fmt"
+	"os"
+	"path"
+	"path/filepath"
+	"strings"
+	"sync"
+
+	"github.com/cupcakearmy/autorestic/internal/colors"
+	"github.com/cupcakearmy/autorestic/internal/flags"
+	"github.com/cupcakearmy/autorestic/internal/lock"
+	"github.com/joho/godotenv"
+	"github.com/mitchellh/go-homedir"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+const VERSION = "1.8.3"
+
+type OptionMap map[string][]interface{}
+type Options map[string]OptionMap
+
+type Config struct {
+	Version   string              `mapstructure:"version" yaml:"version"`
+	Extras    interface{}         `mapstructure:"extras" yaml:"extras"`
+	Locations map[string]Location `mapstructure:"locations" yaml:"locations"`
+	Backends  map[string]Backend  `mapstructure:"backends" yaml:"backends"`
+	Global    Options             `mapstructure:"global" yaml:"global"`
+}
+
+var once sync.Once
+var config *Config
+
+func exitConfig(err error, msg string) {
+	if err != nil {
+		colors.Error.Println(err)
+	}
+	if msg != "" {
+		colors.Error.Println(msg)
+	}
+	lock.Unlock()
+	os.Exit(1)
+}
+
+func GetConfig() *Config {
+
+	if config == nil {
+		once.Do(func() {
+			if err := viper.ReadInConfig(); err == nil {
+				absConfig, _ := filepath.Abs(viper.ConfigFileUsed())
+				if !flags.CRON_LEAN {
+					colors.Faint.Println("Using config: \t", absConfig)
+				}
+				// Load env file
+				envFile := filepath.Join(filepath.Dir(absConfig), ".autorestic.env")
+				err = godotenv.Load(envFile)
+				if err == nil && !flags.CRON_LEAN {
+					colors.Faint.Println("Using env:\t", envFile)
+				}
+			} else {
+				text := err.Error()
+				if strings.Contains(text, "no such file or directory") {
+					cfgFileName := ".autorestic"
+					colors.Error.Println(
+						fmt.Sprintf(
+							"cannot find configuration file '%s.yml' or '%s.yaml'.",
+							cfgFileName, cfgFileName))
+				} else {
+					colors.Error.Println("could not load config file\n" + text)
+				}
+				os.Exit(1)
+			}
+
+			var versionConfig interface{}
+			viper.UnmarshalKey("version", &versionConfig)
+			if versionConfig == nil {
+				exitConfig(nil, "no version specified in config file. please see docs on how to migrate")
+			}
+			version, ok := versionConfig.(int)
+			if !ok {
+				exitConfig(nil, "version specified in config file is not an int")
+			} else {
+				// Check for version
+				if version != 2 {
+					exitConfig(nil, "unsupported config version number. please check the docs for migration\nhttps://autorestic.vercel.app/migration/")
+				}
+			}
+
+			config = &Config{}
+			if err := viper.UnmarshalExact(config); err != nil {
+				exitConfig(err, "Could not parse config file!")
+			}
+		})
+	}
+	return config
+}
+
+func GetPathRelativeToConfig(p string) (string, error) {
+	if path.IsAbs(p) {
+		return p, nil
+	} else if strings.HasPrefix(p, "~") {
+		home, err := homedir.Dir()
+		return path.Join(home, strings.TrimPrefix(p, "~")), err
+	} else {
+		return path.Join(path.Dir(viper.ConfigFileUsed()), p), nil
+	}
+}
+
+func (c *Config) Describe() {
+	// Locations
+	for name, l := range c.Locations {
+		var tmp string
+		colors.PrimaryPrint(`Location: "%s"`, name)
+
+		tmp = ""
+		for _, path := range l.From {
+			tmp += fmt.Sprintf("\t%s %s\n", colors.Success.Sprint("←"), path)
+		}
+		colors.PrintDescription("From", tmp)
+
+		tmp = ""
+		for _, to := range l.To {
+			tmp += fmt.Sprintf("\t%s %s\n", colors.Success.Sprint("→"), to)
+		}
+		colors.PrintDescription("To", tmp)
+
+		if l.Cron != "" {
+			colors.PrintDescription("Cron", l.Cron)
+		}
+
+		tmp = ""
+		hooks := map[string][]string{
+			"PreValidate": l.Hooks.PreValidate,
+			"Before":      l.Hooks.Before,
+			"After":       l.Hooks.After,
+			"Failure":     l.Hooks.Failure,
+			"Success":     l.Hooks.Success,
+		}
+		for hook, commands := range hooks {
+			if len(commands) > 0 {
+				tmp += "\n\t" + hook
+				for _, cmd := range commands {
+					tmp += colors.Faint.Sprintf("\n\t  ▶ %s", cmd)
+				}
+			}
+		}
+		if tmp != "" {
+			colors.PrintDescription("Hooks", tmp)
+		}
+
+		if len(l.Options) > 0 {
+			tmp = ""
+			for t, options := range l.Options {
+				tmp += "\n\t" + t
+				for option, values := range options {
+					for _, value := range values {
+						tmp += colors.Faint.Sprintf("\n\t  ✧ --%s=%s", option, value)
+					}
+				}
+			}
+			colors.PrintDescription("Options", tmp)
+		}
+	}
+
+	// Backends
+	for name, b := range c.Backends {
+		colors.PrimaryPrint("Backend: \"%s\"", name)
+		colors.PrintDescription("Type", b.Type)
+		colors.PrintDescription("Path", b.Path)
+
+		if len(b.Env) > 0 {
+			tmp := ""
+			for option, value := range b.Env {
+				tmp += fmt.Sprintf("\n\t%s %s %s", colors.Success.Sprint("✧"), strings.ToUpper(option), colors.Faint.Sprint(value))
+			}
+			colors.PrintDescription("Env", tmp)
+		}
+	}
+}
+
+func CheckConfig() error {
+	c := GetConfig()
+	if c == nil {
+		return fmt.Errorf("config could not be loaded/found")
+	}
+	if !CheckIfResticIsCallable() {
+		return fmt.Errorf(`%s was not found. Install either with "autorestic install" or manually`, flags.RESTIC_BIN)
+	}
+
+	cwd, _ := GetPathRelativeToConfig(".")
+	for name, location := range c.Locations {
+		location.name = name
+
+		// Hooks before location validation
+		options := ExecuteOptions{
+			Command: "bash",
+			Dir:     cwd,
+			Envs: map[string]string{
+				"AUTORESTIC_LOCATION": location.name,
+			},
+		}
+		if err := location.ExecuteHooks(location.Hooks.PreValidate, options); err != nil {
+			return err
+		}
+
+		if err := location.validate(); err != nil {
+			return err
+		}
+	}
+
+	for name, backend := range c.Backends {
+		backend.name = name
+		if err := backend.validate(); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func GetAllOrSelected(cmd *cobra.Command, backends bool) ([]string, error) {
+	var list []string
+	if backends {
+		for name := range config.Backends {
+			list = append(list, name)
+		}
+	} else {
+		for name := range config.Locations {
+			list = append(list, name)
+		}
+	}
+
+	all, _ := cmd.Flags().GetBool("all")
+	if all {
+		return list, nil
+	}
+
+	var selected []string
+	if backends {
+		selected, _ = cmd.Flags().GetStringSlice("backend")
+	} else {
+		selected, _ = cmd.Flags().GetStringSlice("location")
+	}
+	for _, s := range selected {
+		var splitted = strings.Split(s, "@")
+		for _, l := range list {
+			if l == splitted[0] {
+				goto found
+			}
+		}
+		if backends {
+			return nil, fmt.Errorf("invalid backend \"%s\"", s)
+		} else {
+			return nil, fmt.Errorf("invalid location \"%s\"", s)
+		}
+	found:
+	}
+
+	if len(selected) == 0 {
+		return selected, fmt.Errorf("nothing selected, aborting")
+	}
+	return selected, nil
+}
+
+func AddFlagsToCommand(cmd *cobra.Command, backend bool) {
+	var usage string
+	if backend {
+		usage = "all backends"
+	} else {
+		usage = "all locations"
+	}
+	cmd.PersistentFlags().BoolP("all", "a", false, usage)
+	if backend {
+		cmd.PersistentFlags().StringSliceP("backend", "b", []string{}, "select backends")
+	} else {
+		cmd.PersistentFlags().StringSliceP("location", "l", []string{}, "select locations")
+	}
+}
+
+func (c *Config) SaveConfig() error {
+	file := viper.ConfigFileUsed()
+	if err := CopyFile(file, file+".old"); err != nil {
+		return err
+	}
+	colors.Secondary.Println("Saved a backup copy of your file next to the original.")
+
+	viper.Set("backends", c.Backends)
+	viper.Set("locations", c.Locations)
+
+	return viper.WriteConfig()
+}
+
+func optionToString(option string) string {
+	if !strings.HasPrefix(option, "-") {
+		return "--" + option
+	}
+	return option
+}
+
+func appendOptionsToSlice(str *[]string, options OptionMap) {
+	for key, values := range options {
+		for _, value := range values {
+			// Bool
+			asBool, ok := value.(bool)
+			if ok && asBool {
+				*str = append(*str, optionToString(key))
+				continue
+			}
+			*str = append(*str, optionToString(key), fmt.Sprint(value))
+		}
+	}
+}
+
+func getOptions(options Options, keys []string) []string {
+	var selected []string
+	for _, key := range keys {
+		appendOptionsToSlice(&selected, options[key])
+	}
+	return selected
+}
+
+func combineBackendOptions(key string, b Backend) []string {
+	// Priority: backend > global
+	var options []string
+	gFlags := getOptions(GetConfig().Global, []string{key})
+	bFlags := getOptions(b.Options, []string{"all", key})
+	options = append(options, gFlags...)
+	options = append(options, bFlags...)
+	return options
+}
+
+func combineAllOptions(key string, l Location, b Backend) []string {
+	// Priority: location > backend > global
+	var options []string
+	gFlags := getOptions(GetConfig().Global, []string{key})
+	bFlags := getOptions(b.Options, []string{"all", key})
+	lFlags := getOptions(l.Options, []string{"all", key})
+	options = append(options, gFlags...)
+	options = append(options, bFlags...)
+	options = append(options, lFlags...)
+	return options
+}

internal/config_test.go

@@ -0,0 +1,211 @@
+package internal
+
+import (
+	"path"
+	"reflect"
+	"strconv"
+	"strings"
+	"sync"
+	"testing"
+
+	"github.com/spf13/viper"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestOptionToString(t *testing.T) {
+	t.Run("no prefix", func(t *testing.T) {
+		opt := "test"
+		result := optionToString(opt)
+		assertEqual(t, result, "--test")
+	})
+
+	t.Run("single prefix", func(t *testing.T) {
+		opt := "-test"
+		result := optionToString(opt)
+		assertEqual(t, result, "-test")
+	})
+
+	t.Run("double prefix", func(t *testing.T) {
+		opt := "--test"
+		result := optionToString(opt)
+		assertEqual(t, result, "--test")
+	})
+}
+
+func TestAppendOneOptionToSlice(t *testing.T) {
+	t.Run("string flag", func(t *testing.T) {
+		result := []string{}
+		optionMap := OptionMap{"string-flag": []interface{}{"/root"}}
+
+		appendOptionsToSlice(&result, optionMap)
+		expected := []string{
+			"--string-flag", "/root",
+		}
+		assertSliceEqual(t, result, expected)
+	})
+
+	t.Run("bool flag", func(t *testing.T) {
+		result := []string{}
+		optionMap := OptionMap{"boolean-flag": []interface{}{true}}
+
+		appendOptionsToSlice(&result, optionMap)
+		expected := []string{
+			"--boolean-flag",
+		}
+		assertSliceEqual(t, result, expected)
+	})
+
+	t.Run("int flag", func(t *testing.T) {
+		result := []string{}
+		optionMap := OptionMap{"int-flag": []interface{}{123}}
+
+		appendOptionsToSlice(&result, optionMap)
+		expected := []string{
+			"--int-flag", "123",
+		}
+		assertSliceEqual(t, result, expected)
+	})
+}
+
+func TestAppendMultipleOptionsToSlice(t *testing.T) {
+	result := []string{}
+	optionMap := OptionMap{
+		"string-flag": []interface{}{"/root"},
+		"int-flag":    []interface{}{123},
+	}
+
+	appendOptionsToSlice(&result, optionMap)
+	expected := []string{
+		"--string-flag", "/root",
+		"--int-flag", "123",
+	}
+	if len(result) != len(expected) {
+		t.Errorf("got length %d, want length %d", len(result), len(expected))
+	}
+
+	// checks that expected option comes after flag, regardless of key order in map
+	for i, v := range expected {
+		v = strings.TrimPrefix(v, "--")
+
+		if value, ok := optionMap[v]; ok {
+			if val, ok := value[0].(int); ok {
+				if expected[i+1] != strconv.Itoa(val) {
+					t.Errorf("Flags and options order are mismatched. got %v, want %v", result, expected)
+				}
+			}
+		}
+	}
+}
+
+func TestAppendOptionWithMultipleValuesToSlice(t *testing.T) {
+	result := []string{}
+	optionMap := OptionMap{
+		"string-flag": []interface{}{"/root", "/bin"},
+	}
+
+	appendOptionsToSlice(&result, optionMap)
+	expected := []string{
+		"--string-flag", "/root",
+		"--string-flag", "/bin",
+	}
+	assertSliceEqual(t, result, expected)
+}
+
+func TestGetOptionsOneKey(t *testing.T) {
+	optionMap := OptionMap{
+		"string-flag": []interface{}{"/root"},
+	}
+	options := Options{"backend": optionMap}
+	keys := []string{"backend"}
+
+	result := getOptions(options, keys)
+	expected := []string{
+		"--string-flag", "/root",
+	}
+	assertSliceEqual(t, result, expected)
+}
+
+func TestGetOptionsMultipleKeys(t *testing.T) {
+	firstOptionMap := OptionMap{
+		"string-flag": []interface{}{"/root"},
+	}
+	secondOptionMap := OptionMap{
+		"boolean-flag": []interface{}{true},
+		"int-flag":     []interface{}{123},
+	}
+	options := Options{
+		"all":    firstOptionMap,
+		"forget": secondOptionMap,
+	}
+	keys := []string{"all", "forget"}
+
+	result := getOptions(options, keys)
+	expected := []string{
+		"--string-flag", "/root",
+		"--boolean-flag",
+		"--int-flag", "123",
+	}
+	reflect.DeepEqual(result, expected)
+}
+
+func TestSaveConfigProducesReadableConfig(t *testing.T) {
+	workDir := t.TempDir()
+	viper.SetConfigFile(path.Join(workDir, ".autorestic.yml"))
+
+	// Required to appease the config reader
+	viper.Set("version", 2)
+
+	c := Config{
+		Version: "2",
+		Locations: map[string]Location{
+			"test": {
+				Type: "local",
+				name: "test",
+				From: []string{"in-dir"},
+				To:   []string{"test"},
+				// ForgetOption & ConfigOption have previously marshalled in a way that
+				// can't get read correctly
+				ForgetOption: "foo",
+				CopyOption:   map[string][]string{"foo": {"bar"}},
+			},
+		},
+		Backends: map[string]Backend{
+			"test": {
+				name: "test",
+				Type: "local",
+				Path: "backup-target",
+				Key:  "supersecret",
+			},
+		},
+	}
+
+	err := c.SaveConfig()
+	assert.NoError(t, err)
+
+	// Ensure we the config reading logic actually runs
+	config = nil
+	once = sync.Once{}
+	readConfig := GetConfig()
+	assert.NotNil(t, readConfig)
+	assert.Equal(t, c, *readConfig)
+}
+
+func assertEqual[T comparable](t testing.TB, result, expected T) {
+	t.Helper()
+
+	if result != expected {
+		t.Errorf("got %v, want %v", result, expected)
+	}
+}
+
+func assertSliceEqual(t testing.TB, result, expected []string) {
+	t.Helper()
+
+	if len(result) != len(expected) {
+		t.Errorf("got length %d, want length %d", len(result), len(expected))
+	}
+
+	for i := range result {
+		assertEqual(t, result[i], expected[i])
+	}
+}

internal/cron.go

@@ -0,0 +1,22 @@
+package internal
+
+import (
+	"errors"
+	"fmt"
+)
+
+func RunCron() error {
+	c := GetConfig()
+	var errs []error
+	for name, l := range c.Locations {
+		l.name = name
+		if err := l.RunCron(); err != nil {
+			errs = append(errs, err)
+		}
+	}
+
+	if len(errs) > 0 {
+		return fmt.Errorf("Encountered errors during cron process:\n%w", errors.Join(errs...))
+	}
+	return nil
+}

internal/flags/flags.go

@@ -0,0 +1,9 @@
+package flags
+
+var (
+	CI         bool = false
+	VERBOSE    bool = false
+	CRON_LEAN  bool = false
+	RESTIC_BIN string
+	DOCKER_IMAGE string
+)

internal/location.go

@@ -0,0 +1,463 @@
+package internal
+
+import (
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+
+	"github.com/cupcakearmy/autorestic/internal/colors"
+	"github.com/cupcakearmy/autorestic/internal/flags"
+	"github.com/cupcakearmy/autorestic/internal/lock"
+	"github.com/cupcakearmy/autorestic/internal/metadata"
+	"github.com/robfig/cron"
+)
+
+type LocationType string
+
+const (
+	TypeLocal  LocationType = "local"
+	TypeVolume LocationType = "volume"
+)
+
+type HookArray = []string
+
+type LocationForgetOption string
+
+const (
+	LocationForgetYes   LocationForgetOption = "yes"
+	LocationForgetNo    LocationForgetOption = "no"
+	LocationForgetPrune LocationForgetOption = "prune"
+)
+
+type Hooks struct {
+	Dir         string    `mapstructure:"dir" yaml:"dir"`
+	PreValidate HookArray `mapstructure:"prevalidate,omitempty" yaml:"prevalidate,omitempty"`
+	Before      HookArray `mapstructure:"before,omitempty" yaml:"before,omitempty"`
+	After       HookArray `mapstructure:"after,omitempty" yaml:"after,omitempty"`
+	Success     HookArray `mapstructure:"success,omitempty" yaml:"success,omitempty"`
+	Failure     HookArray `mapstructure:"failure,omitempty" yaml:"failure,omitempty"`
+}
+
+type LocationCopy = map[string][]string
+
+type Location struct {
+	name         string               `mapstructure:",omitempty" yaml:",omitempty"`
+	From         []string             `mapstructure:"from,omitempty" yaml:"from,omitempty"`
+	Type         string               `mapstructure:"type,omitempty" yaml:"type,omitempty"`
+	To           []string             `mapstructure:"to,omitempty" yaml:"to,omitempty"`
+	Hooks        Hooks                `mapstructure:"hooks,omitempty" yaml:"hooks,omitempty"`
+	Cron         string               `mapstructure:"cron,omitempty" yaml:"cron,omitempty"`
+	Options      Options              `mapstructure:"options,omitempty" yaml:"options,omitempty"`
+	ForgetOption LocationForgetOption `mapstructure:"forget,omitempty" yaml:"forget,omitempty"`
+	CopyOption   LocationCopy         `mapstructure:"copy,omitempty" yaml:"copy,omitempty"`
+}
+
+func GetLocation(name string) (Location, bool) {
+	l, ok := GetConfig().Locations[name]
+	l.name = name
+	return l, ok
+}
+
+func (l Location) validate() error {
+	if len(l.From) == 0 {
+		return fmt.Errorf(`Location "%s" is missing "from" key`, l.name)
+	}
+	t, err := l.getType()
+	if err != nil {
+		return err
+	}
+	switch t {
+	case TypeLocal:
+		for _, path := range l.From {
+			if from, err := GetPathRelativeToConfig(path); err != nil {
+				return err
+			} else {
+				if _, err := os.Stat(from); err != nil {
+					return err
+				}
+			}
+		}
+	case TypeVolume:
+		if len(l.From) > 1 {
+			return fmt.Errorf(`location "%s" has more than one docker volume`, l.name)
+		}
+	}
+
+	if len(l.To) == 0 {
+		return fmt.Errorf(`location "%s" has no "to" targets`, l.name)
+	}
+	// Check if backends are all valid
+	for _, to := range l.To {
+		_, ok := GetBackend(to)
+		if !ok {
+			return fmt.Errorf(`location "%s" has an invalid backend "%s"`, l.name, to)
+		}
+	}
+
+	// Check copy option
+	for copyFrom, copyTo := range l.CopyOption {
+		if _, ok := GetBackend(copyFrom); !ok {
+			return fmt.Errorf(`location "%s" has an invalid backend "%s" in copy option`, l.name, copyFrom)
+		}
+		if !ArrayContains(l.To, copyFrom) {
+			return fmt.Errorf(`location "%s" has an invalid copy from "%s"`, l.name, copyFrom)
+		}
+		for _, copyToTarget := range copyTo {
+			if _, ok := GetBackend(copyToTarget); !ok {
+				return fmt.Errorf(`location "%s" has an invalid backend "%s" in copy option`, l.name, copyToTarget)
+			}
+			if ArrayContains(l.To, copyToTarget) {
+				return fmt.Errorf(`location "%s" cannot copy to "%s" as it's already a target`, l.name, copyToTarget)
+			}
+		}
+	}
+
+	// Check if forget type is correct
+	if l.ForgetOption != "" {
+		if l.ForgetOption != LocationForgetYes && l.ForgetOption != LocationForgetNo && l.ForgetOption != LocationForgetPrune {
+			return fmt.Errorf("invalid value for forget option: %s", l.ForgetOption)
+		}
+	}
+	return nil
+}
+
+func (l Location) ExecuteHooks(commands []string, options ExecuteOptions) error {
+	if len(commands) == 0 {
+		return nil
+	}
+	if l.Hooks.Dir != "" {
+		if dir, err := GetPathRelativeToConfig(l.Hooks.Dir); err != nil {
+			return err
+		} else {
+			options.Dir = dir
+		}
+	}
+	colors.Secondary.Println("\nRunning hooks")
+	for _, command := range commands {
+		colors.Body.Println("> " + command)
+		_, out, err := ExecuteCommand(options, "-c", command)
+		if err != nil {
+			colors.Error.Println(out)
+			return err
+		}
+	}
+	colors.Body.Println("")
+	return nil
+}
+
+func (l Location) getType() (LocationType, error) {
+	t := strings.ToLower(l.Type)
+	if t == "" || t == "local" {
+		return TypeLocal, nil
+	} else if t == "volume" {
+		return TypeVolume, nil
+	}
+	return "", fmt.Errorf("invalid location type \"%s\"", l.Type)
+}
+
+func buildTag(parts ...string) string {
+	parts = append([]string{"ar"}, parts...)
+	return strings.Join(parts, ":")
+}
+
+func (l Location) getLocationTags() string {
+	return buildTag("location", l.name)
+}
+
+func (l Location) Backup(cron bool, dry bool, specificBackend string) []error {
+	var errors []error
+	var backends []string
+	colors.PrimaryPrint("  Backing up location \"%s\"  ", l.name)
+	t, err := l.getType()
+	if err != nil {
+		errors = append(errors, err)
+		return errors
+	}
+	cwd, _ := GetPathRelativeToConfig(".")
+	options := ExecuteOptions{
+		Command: "bash",
+		Dir:     cwd,
+		Envs: map[string]string{
+			"AUTORESTIC_LOCATION": l.name,
+		},
+	}
+
+	// Hooks before location validation
+	if err := l.ExecuteHooks(l.Hooks.PreValidate, options); err != nil {
+		errors = append(errors, err)
+		goto after
+	}
+
+	if err := l.validate(); err != nil {
+		errors = append(errors, err)
+		goto after
+	}
+
+	// Hooks after location validation
+	if err := l.ExecuteHooks(l.Hooks.Before, options); err != nil {
+		errors = append(errors, err)
+		goto after
+	}
+
+	// Backup
+	if specificBackend == "" {
+		backends = l.To
+	} else {
+		if l.hasBackend(specificBackend) {
+			backends = []string{specificBackend}
+		} else {
+			errors = append(errors, fmt.Errorf("backup location \"%s\" has no backend \"%s\"", l.name, specificBackend))
+			return errors
+		}
+	}
+	for i, to := range backends {
+		backend, _ := GetBackend(to)
+		colors.Secondary.Printf("Backend: %s\n", backend.name)
+		env, err := backend.getEnv()
+		if err != nil {
+			errors = append(errors, err)
+			continue
+		}
+
+		cmd := []string{"backup"}
+		cmd = append(cmd, combineAllOptions("backup", l, backend)...)
+		if cron {
+			cmd = append(cmd, "--tag", buildTag("cron"))
+		}
+		if dry {
+			cmd = append(cmd, "--dry-run")
+		}
+		cmd = append(cmd, "--tag", l.getLocationTags())
+		backupOptions := ExecuteOptions{
+			Envs: env,
+		}
+
+		var code int = 0
+		var out string
+		switch t {
+		case TypeLocal:
+			for _, from := range l.From {
+				path, err := GetPathRelativeToConfig(from)
+				if err != nil {
+					errors = append(errors, err)
+					goto after
+				}
+				cmd = append(cmd, path)
+			}
+			code, out, err = ExecuteResticCommand(backupOptions, cmd...)
+		case TypeVolume:
+			ok := CheckIfVolumeExists(l.From[0])
+			if !ok {
+				errors = append(errors, fmt.Errorf("volume \"%s\" does not exist", l.From[0]))
+				continue
+			}
+			cmd = append(cmd, "/data")
+			code, out, err = backend.ExecDocker(l, cmd)
+		}
+
+		// Extract metadata
+		md := metadata.ExtractMetadataFromBackupLog(out)
+		md.ExitCode = fmt.Sprint(code)
+		mdEnv := metadata.MakeEnvFromMetadata(&md)
+		for k, v := range mdEnv {
+			options.Envs[k+"_"+fmt.Sprint(i)] = v
+			options.Envs[k+"_"+strings.ToUpper(backend.name)] = v
+		}
+
+		// If error save it and continue
+		if err != nil {
+			colors.Error.Println(out)
+			errors = append(errors, fmt.Errorf("%s@%s:\n%s%s", l.name, backend.name, out, err))
+			continue
+		}
+
+		// Copy
+		if md.SnapshotID != "" {
+			for copyFrom, copyTo := range l.CopyOption {
+				b1, _ := GetBackend(copyFrom)
+				for _, copyToTarget := range copyTo {
+					b2, _ := GetBackend(copyToTarget)
+					colors.Secondary.Println("Copying " + copyFrom + " → " + copyToTarget)
+					env, _ := b1.getEnv()
+					env2, _ := b2.getEnv()
+					// Add the second repo to the env with a "2" suffix
+					for k, v := range env2 {
+						env[k+"2"] = v
+					}
+					_, _, err := ExecuteResticCommand(ExecuteOptions{
+						Envs: env,
+					}, "copy", md.SnapshotID)
+
+					if err != nil {
+						errors = append(errors, err)
+					}
+				}
+			}
+		}
+	}
+
+	// After backup hooks
+	if err := l.ExecuteHooks(l.Hooks.After, options); err != nil {
+		errors = append(errors, err)
+	}
+
+after:
+	// Success/failure hooks
+	var commands []string
+	var isSuccess = len(errors) == 0
+	if isSuccess {
+		commands = l.Hooks.Success
+	} else {
+		commands = l.Hooks.Failure
+	}
+	if err := l.ExecuteHooks(commands, options); err != nil {
+		errors = append(errors, err)
+	}
+
+	// Forget and optionally prune
+	if isSuccess && l.ForgetOption != "" && l.ForgetOption != LocationForgetNo {
+		err := l.Forget(l.ForgetOption == LocationForgetPrune, false)
+		if err != nil {
+			errors = append(errors, err)
+		}
+	}
+
+	if len(errors) == 0 {
+		colors.Success.Println("Done")
+	}
+	return errors
+}
+
+func (l Location) Forget(prune bool, dry bool) error {
+	colors.PrimaryPrint("Forgetting for location \"%s\"", l.name)
+
+	backendsToForget := l.To
+	for _, copyBackends := range l.CopyOption {
+		backendsToForget = append(backendsToForget, copyBackends...)
+	}
+
+	for _, to := range backendsToForget {
+		backend, _ := GetBackend(to)
+		colors.Secondary.Printf("For backend \"%s\"\n", backend.name)
+		env, err := backend.getEnv()
+		if err != nil {
+			return nil
+		}
+		options := ExecuteOptions{
+			Envs: env,
+		}
+		cmd := []string{"forget", "--tag", l.getLocationTags()}
+		if prune {
+			cmd = append(cmd, "--prune")
+		}
+		if dry {
+			cmd = append(cmd, "--dry-run")
+		}
+		cmd = append(cmd, combineAllOptions("forget", l, backend)...)
+		_, _, err = ExecuteResticCommand(options, cmd...)
+		if err != nil {
+			return err
+		}
+	}
+	colors.Success.Println("Done")
+	return nil
+}
+
+func (l Location) hasBackend(backend string) bool {
+	for _, b := range l.To {
+		if b == backend {
+			return true
+		}
+	}
+	return false
+}
+
+func buildRestoreCommand(l Location, to string, snapshot string, options []string) []string {
+	base := []string{"restore", "--target", to, "--tag", l.getLocationTags(), snapshot}
+	base = append(base, options...)
+	return base
+}
+
+func (l Location) Restore(to, from string, force bool, snapshot string, options []string) error {
+	if from == "" {
+		from = l.To[0]
+	} else if !l.hasBackend(from) {
+		return fmt.Errorf("invalid backend: \"%s\"", from)
+	}
+
+	if snapshot == "" {
+		snapshot = "latest"
+	}
+
+	colors.PrimaryPrint("Restoring location \"%s\"", l.name)
+	backend, _ := GetBackend(from)
+	colors.Secondary.Printf("Restoring %s@%s → %s\n", snapshot, backend.name, to)
+
+	t, err := l.getType()
+	if err != nil {
+		return err
+	}
+	switch t {
+	case TypeLocal:
+		to, err = filepath.Abs(to)
+		if err != nil {
+			return err
+		}
+		// Check if target is empty
+		if !force {
+			notEmptyError := fmt.Errorf("target %s is not empty", to)
+			_, err = os.Stat(to)
+			if err == nil {
+				files, err := ioutil.ReadDir(to)
+				if err != nil {
+					return err
+				}
+				if len(files) > 0 {
+					return notEmptyError
+				}
+			} else {
+				if !os.IsNotExist(err) {
+					return err
+				}
+			}
+		}
+		err = backend.Exec(buildRestoreCommand(l, to, snapshot, options))
+	case TypeVolume:
+		_, _, err = backend.ExecDocker(l, buildRestoreCommand(l, "/", snapshot, options))
+	}
+	if err != nil {
+		return err
+	}
+	colors.Success.Println("Done")
+	return nil
+}
+
+func (l Location) RunCron() error {
+	if l.Cron == "" {
+		return nil
+	}
+
+	schedule, err := cron.ParseStandard(l.Cron)
+	if err != nil {
+		return err
+	}
+	last := time.Unix(lock.GetCron(l.name), 0)
+	next := schedule.Next(last)
+	now := time.Now()
+	if now.After(next) {
+		lock.SetCron(l.name, now.Unix())
+		errs := l.Backup(true, false, "")
+		if len(errs) > 0 {
+			return fmt.Errorf("Failed to backup location \"%s\":\n%w", l.name, errors.Join(errs...))
+		}
+	} else {
+		if !flags.CRON_LEAN {
+			colors.Body.Printf("Skipping \"%s\", not due yet.\n", l.name)
+		}
+	}
+	return nil
+}

internal/location_test.go

@@ -0,0 +1,93 @@
+package internal
+
+import "testing"
+
+func TestGetType(t *testing.T) {
+
+	t.Run("TypeLocal", func(t *testing.T) {
+		l := Location{
+			Type: "local",
+		}
+		result, err := l.getType()
+		if err != nil {
+			t.Errorf("unexpected error: %v", err)
+		}
+		assertEqual(t, result, TypeLocal)
+	})
+
+	t.Run("TypeVolume", func(t *testing.T) {
+		l := Location{
+			Type: "volume",
+		}
+		result, err := l.getType()
+		if err != nil {
+			t.Errorf("unexpected error: %v", err)
+		}
+		assertEqual(t, result, TypeVolume)
+	})
+
+	t.Run("Empty type", func(t *testing.T) {
+		l := Location{
+			Type: "",
+		}
+		result, err := l.getType()
+		if err != nil {
+			t.Errorf("unexpected error: %v", err)
+		}
+		assertEqual(t, result, TypeLocal)
+	})
+
+	t.Run("Invalid type", func(t *testing.T) {
+		l := Location{
+			Type: "foo",
+		}
+		_, err := l.getType()
+		if err == nil {
+			t.Error("expected error")
+		}
+	})
+}
+
+func TestBuildTag(t *testing.T) {
+	result := buildTag("foo", "bar")
+	expected := "ar:foo:bar"
+	assertEqual(t, result, expected)
+}
+
+func TestGetLocationTags(t *testing.T) {
+	l := Location{
+		name: "foo",
+	}
+	result := l.getLocationTags()
+	expected := "ar:location:foo"
+	assertEqual(t, result, expected)
+}
+
+func TestHasBackend(t *testing.T) {
+	t.Run("backend present", func(t *testing.T) {
+		l := Location{
+			name: "foo",
+			To:   []string{"foo", "bar"},
+		}
+		result := l.hasBackend("foo")
+		assertEqual(t, result, true)
+	})
+
+	t.Run("backend absent", func(t *testing.T) {
+		l := Location{
+			name: "foo",
+			To:   []string{"bar", "baz"},
+		}
+		result := l.hasBackend("foo")
+		assertEqual(t, result, false)
+	})
+}
+
+func TestBuildRestoreCommand(t *testing.T) {
+	l := Location{
+		name: "foo",
+	}
+	result := buildRestoreCommand(l, "to", "snapshot", []string{"options"})
+	expected := []string{"restore", "--target", "to", "--tag", "ar:location:foo", "snapshot", "options"}
+	assertSliceEqual(t, result, expected)
+}

internal/lock/lock.go

@@ -0,0 +1,78 @@
+package lock
+
+import (
+	"os"
+	"path"
+	"sync"
+
+	"github.com/cupcakearmy/autorestic/internal/colors"
+	"github.com/cupcakearmy/autorestic/internal/flags"
+	"github.com/spf13/viper"
+)
+
+var lock *viper.Viper
+var file string
+var once sync.Once
+
+const (
+	RUNNING = "running"
+)
+
+func getLock() *viper.Viper {
+	if lock == nil {
+
+		once.Do(func() {
+			lock = viper.New()
+			lock.SetDefault("running", false)
+			p := viper.ConfigFileUsed()
+			if p == "" {
+				colors.Error.Println("cannot lock before reading config location")
+				os.Exit(1)
+			}
+			file = path.Join(path.Dir(p), ".autorestic.lock.yml")
+			if !flags.CRON_LEAN {
+				colors.Faint.Println("Using lock:\t", file)
+			}
+			lock.SetConfigFile(file)
+			lock.SetConfigType("yml")
+			lock.ReadInConfig()
+		})
+	}
+	return lock
+}
+
+func setLockValue(key string, value interface{}) (*viper.Viper, error) {
+	lock := getLock()
+
+	if key == RUNNING {
+		value := value.(bool)
+		if value && lock.GetBool(key) {
+			colors.Error.Println("an instance is already running. exiting")
+			os.Exit(1)
+		}
+	}
+
+	lock.Set(key, value)
+	if err := lock.WriteConfigAs(file); err != nil {
+		return nil, err
+	}
+	return lock, nil
+}
+
+func GetCron(location string) int64 {
+	return getLock().GetInt64("cron." + location)
+}
+
+func SetCron(location string, value int64) {
+	setLockValue("cron."+location, value)
+}
+
+func Lock() error {
+	_, err := setLockValue(RUNNING, true)
+	return err
+}
+
+func Unlock() error {
+	_, err := setLockValue(RUNNING, false)
+	return err
+}

internal/lock/lock_test.go

@@ -0,0 +1,114 @@
+package lock
+
+import (
+	"log"
+	"os"
+	"os/exec"
+	"strconv"
+	"testing"
+
+	"github.com/spf13/viper"
+)
+
+var testDirectory = "autorestic_test_tmp"
+
+// All tests must share the same lock file as it is only initialized once
+func setup(t *testing.T) {
+	d, err := os.MkdirTemp("", testDirectory)
+	if err != nil {
+		log.Fatalf("error creating temp dir: %v", err)
+		return
+	}
+	// set config file location
+	viper.SetConfigFile(d + "/.autorestic.yml")
+
+	t.Cleanup(func() {
+		os.RemoveAll(d)
+		viper.Reset()
+	})
+}
+
+func TestLock(t *testing.T) {
+	setup(t)
+
+	t.Run("getLock", func(t *testing.T) {
+		result := getLock().GetBool(RUNNING)
+
+		if result {
+			t.Errorf("got %v, want %v", result, false)
+		}
+	})
+
+	t.Run("lock", func(t *testing.T) {
+		lock, err := setLockValue(RUNNING, true)
+		if err != nil {
+			t.Errorf("unexpected error: %v", err)
+		}
+
+		result := lock.GetBool(RUNNING)
+		if !result {
+			t.Errorf("got %v, want %v", result, true)
+		}
+	})
+
+	t.Run("unlock", func(t *testing.T) {
+		lock, err := setLockValue(RUNNING, false)
+		if err != nil {
+			t.Errorf("unexpected error: %v", err)
+		}
+
+		result := lock.GetBool(RUNNING)
+		if result {
+			t.Errorf("got %v, want %v", result, false)
+		}
+	})
+
+	// locking a locked instance exits the instance
+	// this trick to capture os.Exit(1) is discussed here:
+	// https://talks.golang.org/2014/testing.slide#23
+	t.Run("lock twice", func(t *testing.T) {
+		if os.Getenv("CRASH") == "1" {
+			err := Lock()
+			if err != nil {
+				t.Errorf("unexpected error: %v", err)
+			}
+			// should fail
+			Lock()
+		}
+
+		cmd := exec.Command(os.Args[0], "-test.run=TestLock/lock_twice")
+		cmd.Env = append(os.Environ(), "CRASH=1")
+		err := cmd.Run()
+
+		err, ok := err.(*exec.ExitError)
+		if !ok {
+			t.Error("unexpected error")
+		}
+		expected := "exit status 1"
+		if err.Error() != expected {
+			t.Errorf("got %q, want %q", err.Error(), expected)
+		}
+	})
+
+	t.Run("set cron", func(t *testing.T) {
+		expected := int64(5)
+		SetCron("foo", expected)
+
+		result, err := strconv.ParseInt(getLock().GetString("cron.foo"), 10, 64)
+		if err != nil {
+			t.Errorf("unexpected error: %v", err)
+		}
+		if result != expected {
+			t.Errorf("got %d, want %d", result, expected)
+		}
+	})
+
+	t.Run("get cron", func(t *testing.T) {
+		expected := int64(5)
+		result := GetCron("foo")
+
+		if result != expected {
+			t.Errorf("got %d, want %d", result, expected)
+		}
+	})
+}

internal/metadata/extractor_added.go

@@ -0,0 +1,22 @@
+package metadata
+
+import (
+	"regexp"
+	"strings"
+)
+
+type addedExtractor struct {
+	re *regexp.Regexp
+}
+
+func (e addedExtractor) Matches(line string) bool {
+	return e.re.MatchString(line)
+}
+func (e addedExtractor) Extract(metadata *BackupLogMetadata, line string) {
+	// Sample line: "Added to the repo: 0 B"
+	metadata.AddedSize = strings.TrimSpace(e.re.ReplaceAllString(line, "$2"))
+}
+
+func NewAddedExtractor() MetadatExtractor {
+	return addedExtractor{regexp.MustCompile(`(?i)^Added to the repo(sitory)?: ([\d\.]+ \w+)( \([\d\.]+[\w\s]+\))?`)}
+}

internal/metadata/extractor_changeset.go

@@ -0,0 +1,57 @@
+package metadata
+
+import (
+	"regexp"
+	"strings"
+)
+
+type ChangeSetExtractor struct {
+	re      *regexp.Regexp
+	cleaner *regexp.Regexp
+	saver   changeSetSaver
+}
+
+func (e ChangeSetExtractor) Matches(line string) bool {
+	return e.re.MatchString(line)
+}
+func (e ChangeSetExtractor) Extract(metadata *BackupLogMetadata, line string) {
+	// Sample line: "Files:           0 new,     0 changed,     2 unmodified"
+	trimmed := strings.TrimSpace(e.re.ReplaceAllString(line, ""))
+	splitted := strings.Split(trimmed, ",")
+	var changeset BackupLogMetadataChangeset = BackupLogMetadataChangeset{}
+	changeset.Added = e.cleaner.ReplaceAllString(splitted[0], "")
+	changeset.Changed = e.cleaner.ReplaceAllString(splitted[1], "")
+	changeset.Unmodified = e.cleaner.ReplaceAllString(splitted[2], "")
+	e.saver.Save(metadata, changeset)
+}
+
+type changeSetSaver interface {
+	Save(metadata *BackupLogMetadata, changeset BackupLogMetadataChangeset)
+}
+
+type fileSaver struct{}
+
+func (f fileSaver) Save(metadata *BackupLogMetadata, changeset BackupLogMetadataChangeset) {
+	metadata.Files = changeset
+}
+
+type dirsSaver struct{}
+
+func (d dirsSaver) Save(metadata *BackupLogMetadata, changeset BackupLogMetadataChangeset) {
+	metadata.Dirs = changeset
+}
+
+func NewFilesExtractor() MetadatExtractor {
+	return ChangeSetExtractor{
+		re:      regexp.MustCompile(`(?i)^Files:`),
+		cleaner: regexp.MustCompile(`[^\d]`),
+		saver:   fileSaver{},
+	}
+}
+func NewDirsExtractor() MetadatExtractor {
+	return ChangeSetExtractor{
+		re:      regexp.MustCompile(`(?i)^Dirs:`),
+		cleaner: regexp.MustCompile(`[^\d]`),
+		saver:   dirsSaver{},
+	}
+}