From 3c733816420841adf630ee84544929832fd2034d Mon Sep 17 00:00:00 2001
From: cupcakearmy <hi@nicco.io>
Date: Mon, 21 Nov 2022 15:58:47 +0100
Subject: [PATCH] error handling

---
 src/assets/config.schema.yaml | 2 +-
 src/cmd_optimise.py           | 1 -
 src/main.py                   | 8 +++++++-
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/assets/config.schema.yaml b/src/assets/config.schema.yaml
index db6401b..1470e45 100644
--- a/src/assets/config.schema.yaml
+++ b/src/assets/config.schema.yaml
@@ -25,10 +25,10 @@ $defs:
       $ref: "#/$defs/font-variation"
 
   css:
-    # https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face#descriptors
     type: object
     additionalProperties: false
     patternProperties:
+      # https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face#descriptors
       ? "^ascent-override|descent-override|font-display|font-family|font-stretch|font-style|font-weight|font-feature-settings|font-variation-settings|line-gap-override|size-adjust|src|unicode-range$"
       : type: string
 
diff --git a/src/cmd_optimise.py b/src/cmd_optimise.py
index 439134f..aa8ed97 100644
--- a/src/cmd_optimise.py
+++ b/src/cmd_optimise.py
@@ -1,4 +1,3 @@
-import copy
 import hashlib
 import json
 import os
diff --git a/src/main.py b/src/main.py
index df3d99a..79c5c67 100644
--- a/src/main.py
+++ b/src/main.py
@@ -1,5 +1,6 @@
 
 import click
+import jsonschema
 
 import cmd_optimise
 import flags
@@ -24,7 +25,12 @@ def cli(verbose, config, output_directory, clean, prefix):
 
     # Run
     c = load(config)
-    validate(c)
+    try:
+        validate(c)
+    except jsonschema.exceptions.ValidationError as e:
+        click.echo(f"Config validation failed:")
+        click.echo(f"{e.message} @ {e.json_path}")
+        exit(1)
     cmd_optimise.optimise(c)