Wolfgang Walther
42754cb6c9
Nixpkgs has removed support for x86_64-darwin, so removing that from CI's flake check. A x86_64-darwin binary is still built via Stack.
105 lines
2.9 KiB
Nix
105 lines
2.9 KiB
Nix
{ actionlint
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, black
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, buildToolbox
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, checkedShellScript
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, deadnix
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, fd
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, git
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, hlint
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, hsie
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, nixpkgs-fmt
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, python3Packages
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, ruff
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, statix
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, stylish-haskell
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, writeText
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}:
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let
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style =
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checkedShellScript
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{
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name = "postgrest-style";
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docs = "Automatically format Haskell, Nix and Python files.";
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workingDir = "/";
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withTmpDir = true;
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}
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''
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# Format Nix files
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${statix}/bin/statix fix
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${nixpkgs-fmt}/bin/nixpkgs-fmt .
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# Format Haskell files
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${fd}/bin/fd '\.l?hs$' \
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| xargs ${stylish-haskell}/bin/stylish-haskell -i
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# Format Python files
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TMPDIR="$tmpdir" ${black}/bin/black .
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'';
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# Script to check whether any uncommitted changes result from postgrest-style
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styleCheck =
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checkedShellScript
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{
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name = "postgrest-style-check";
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docs = "Check whether postgrest-style results in any uncommitted changes.";
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workingDir = "/";
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}
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''
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${style}
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trap "echo postgrest-style-check failed. Run postgrest-style to fix issues automatically." ERR
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${git}/bin/git diff-index --exit-code HEAD -- '*.hs' '*.lhs' '*.nix' '*.py'
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'';
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hlintConfig = writeText "hlintConfig.yml" ''
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# Arguments passed to hlint
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- arguments: [-j, -XQuasiQuotes, -XNoPatternSynonyms]
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# Warnings
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- warn: { lhs: "a == a", rhs: "True", note: "This comparison always evaluates to True" }
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- warn: { lhs: "a /= a", rhs: "False", note: "This comparison always evaluates to False" }
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- warn: { lhs: "a < a", rhs: "False", note: "This comparison always evaluates to False" }
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- warn: { lhs: "a > a", rhs: "False", note: "This comparison always evaluates to False" }
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- warn: { lhs: "a <= a", rhs: "True", note: "This comparison always evaluates to True" }
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- warn: { lhs: "a >= a", rhs: "True", note: "This comparison always evaluates to True" }
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'';
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lint =
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checkedShellScript
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{
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name = "postgrest-lint";
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docs = "Lint all Haskell files, bash scripts and github workflows.";
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workingDir = "/";
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}
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''
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echo "Linting workflows..."
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${actionlint}/bin/actionlint
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echo "Scanning nix files for unused code..."
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${deadnix}/bin/deadnix -f
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# ruff has gaps in scanning for unused code, so we use vulture
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echo "Scanning python files for unused code..."
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${fd}/bin/fd '\.l?py$' \
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| xargs ${python3Packages.vulture}/bin/vulture --exclude docs/conf.py --min-confidence 80
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echo "Linting python files..."
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${ruff}/bin/ruff check .
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echo "Checking consistency of import aliases in Haskell code..."
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${hsie} check-aliases src/library src/executable
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echo "Linting Haskell files..."
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${fd}/bin/fd '\.l?hs$' \
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| xargs ${hlint}/bin/hlint --hint=${hlintConfig}
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'';
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in
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buildToolbox
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{
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name = "postgrest-style";
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tools = { inherit style styleCheck lint; };
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}
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