Merge pull request #1325 from l0b0/feat/sort-override-build-systems-m…

…ore-strictly

feat: Sort override build systems more strictly

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
         nix_path: nixpkgs=channel:nixos-unstable
     - uses: actions/checkout@v3
     - name: Check format
-      run: nix-shell --packages jq --pure --run 'diff overrides/build-systems.json <(jq --raw-output --sort-keys < overrides/build-systems.json)'
+      run: nix-shell --packages jq --pure --run 'diff --unified overrides/build-systems.json <(jq --from-file overrides/sort-build-systems.jq --raw-output --sort-keys < overrides/build-systems.json)'
 
   nixpkgs-fmt:
     runs-on: ubuntu-latest

README.md

@@ -392,6 +392,8 @@ To test with a specific channel:
 nix-build --expr 'with import <unstable> {}; callPackage ./tests/default.nix {}'
 ```
 
+To sort `overrides/build-systems.json` according to the [`sort-build-systems` job](.github/workflows/ci.yml), patch the source with the output of the "Check format" step, like this: `nix-shell [omitted] | patch -p0`.
+
 ## Contact
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