26 lines
981 B
Plaintext
26 lines
981 B
Plaintext
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#! /bin/sh
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#
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# This script ensures Crystal code is correctly formatted before committing it.
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# It won't apply any format changes automatically.
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#
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# Only staged files (the ones to be committed) are being processed, but each file is checked
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# entirely as it is stored on disc, even parts that are not staged.
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#
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# To use this script, it needs to be installed in the local git repository. For example by running
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# `ln -s scripts/git/pre-commit .git/hooks` in the root folder.
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#
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# Called by "git commit" with no arguments. The hook should
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# exit with non-zero status after issuing an appropriate message if
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# it wants to stop the commit.
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changed_cr_files=$(git diff --cached --name-only --diff-filter=ACM | grep '\.cr$')
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[ -z "$changed_cr_files" ] && exit 0
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if [ -x bin/crystal ]; then
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# use bin/crystal wrapper when available to run local compiler build
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exec bin/crystal tool format --check $changed_cr_files >&2
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else
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exec crystal tool format --check $changed_cr_files >&2
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fi
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