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https://github.com/carp-lang/Carp.git
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1863c82559
* chore: moves git hook into own folder This is is done in preparation of having other git hooks * chore: Creates script to run formatter * chore: Checks that ormolu is installed before running it * chore: Adds pre-commit hook to format Haskell files * chore: Ensures the ormolu instruction are outputted when running hook * chore: Prints formatted files on newlines
39 lines
953 B
Bash
Executable File
39 lines
953 B
Bash
Executable File
#!/bin/sh
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set -eu
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echoerr() {
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echo "$@" >&2
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}
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check_ormolu_installed() {
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if ! command -v ormolu >/dev/null 2>&1
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then
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echoerr "'ormolu' is needed to format Haskell files"
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echoerr "On MacOS it is available in brew: 'brew install ormolu'"
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echoerr "Otherwise it can be installed using stack: 'stack install ormolu'"
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echoerr "The last command needs to be run outside of the repository"
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exit 1
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fi
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}
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print_on_newlines() {
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echo "$@" | tr ' ' '\n'
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}
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repo_root=$(git rev-parse --show-toplevel)
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if [ "${1-}" = "--only-changed" ]; then
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cd "$repo_root"
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changed_haskell_files=$(git diff --cached --name-only --diff-filter=ACMR "*.hs" | sed 's| |\\ |g')
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[ -z "$changed_haskell_files" ] && exit 0
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check_ormolu_installed
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ormolu --mode inplace $changed_haskell_files
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print_on_newlines $changed_haskell_files
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else
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check_ormolu_installed
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cd "$repo_root"
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ormolu --mode inplace ./**/*.hs
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print_on_newlines ./**/*.hs
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fi
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