From 14d8f7cb445a886efedf280095045fb6185b1fbe Mon Sep 17 00:00:00 2001
From: Emanuele Bernardi <e.berna@gmail.com>
Date: Fri, 29 Nov 2024 08:39:58 +0100
Subject: [PATCH] use sudo if ran as user, use case instead of if

---
 install.sh | 57 +++++++++++++++++++++++++++++-------------------------
 1 file changed, 31 insertions(+), 26 deletions(-)

diff --git a/install.sh b/install.sh
index 68d70f4..a849481 100755
--- a/install.sh
+++ b/install.sh
@@ -1,36 +1,41 @@
 #!/bin/bash
+# Check if the script is running as root
+[ "$EUID" -eq 0 ] || exec sudo bash "$0" "$@"
 set -e -o pipefail
 shopt -s nocaseglob
 
 OUT_FILE=/usr/local/bin/autorestic
+TMP_FILE=/tmp/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"
+case $NATIVE_OS in
+  *linux*)
+    OS=linux;;
+  *darwin*)
+    OS=darwin;;
+  *freebsd*)
+    OS=freebsd;;
+  *)
+    echo "Could not determine OS automatically, please check the release page"\
+    "manually: https://github.com/cupcakearmy/autorestic/releases"
     exit 1
-fi
+    ;;
+esac
 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
+case $NATIVE_ARCH in
+  *x86_64*|*amd64*) ARCH=amd64 ;;
+  *arm64*|*aarch64*) ARCH=arm64 ;;
+  *x86*) ARCH=386 ;;
+  *armv7*) ARCH=arm ;;
+        *)
+          echo "Could not determine Architecure automatically, please check the"\
+          "release page manually: https://github.com/cupcakearmy/autorestic/releases"
+          exit 1
+          ;;
+esac
 echo $ARCH
 
 if ! command -v bzip2 &>/dev/null; then
@@ -40,11 +45,11 @@ 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"
+| xargs | cut -d ' ' -f 2 \
+| wget -O "${TMP_FILE}.bz2" -i -
+bzip2 -cd "${TMP_FILE}.bz2" > "${OUT_FILE}"
 chmod +x ${OUT_FILE}
+rm "${TMP_FILE}.bz2"
 
 autorestic install
-echo "Successfully installed autorestic"
+echo "Successfully installed autorestic under ${OUT_FILE}"