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haskell-cabal-gild

Format Haskell package descriptions and cabal project files with cabal-gild: *.cabal, cabal.project, cabal.project.local, and cabal.project.freeze. Use after editing dependencies or stanzas, when refreshing cabal-gild discover module lists, or when checking cabal file formatting.

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cabal-gild

cabal-gild formats Haskell package descriptions and cabal project files. It normalizes layout, sorts and deduplicates build-depends, and can refresh module lists generated by -- cabal-gild: discover pragmas.

Format In Place

Run on each touched cabal/project file:

cabal-gild --io <file>

Format before compiling.

Check Without Writing

Use check mode to verify formatting without changing files:

cabal-gild -m check --io <file>

Auto-Discovered Module Lists

If a .cabal file contains a pragma like this:

-- cabal-gild: discover src
exposed-modules:

rerun cabal-gild --io <pkg>.cabal after adding or removing modules.

Project Automation

This repository has shared PostToolUse hooks under .agents/hooks/, wired from Claude/Codex configuration.

  • A changed .cabal or cabal.project* file is formatted with cabal-gild --io.
  • A changed .hs, .lhs, or .hsig file refreshes the nearest enclosing .cabal file only if it uses a -- cabal-gild: discover pragma.

Re-read files if the hook reports that it changed them.

Companion

Format Haskell source files with the haskell-format skill.

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