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34 lines
759 B
Bash
Executable File
34 lines
759 B
Bash
Executable File
#!/usr/bin/env bash
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#
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# Check that commit subject lines in a given range are non-empty and no
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# longer than $MAX chars. Replaces the former `git-validation -run
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# short-subject` check.
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#
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# Usage: hack/commit-subject-check.sh <git-range>
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# e.g. hack/commit-subject-check.sh origin/main..HEAD
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set -euo pipefail
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MAX=90
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if [[ $# -ne 1 ]]; then
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echo "Usage: $0 <git-range>" >&2
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exit 2
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fi
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range=$1
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rc=0
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while IFS=$'\t' read -r sha subject; do
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len=${#subject}
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if [[ $len -eq 0 ]]; then
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echo "$sha: empty commit subject" >&2
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rc=1
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elif [[ $len -ge $MAX ]]; then
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echo "$sha: subject is $len chars (must be < $MAX): $subject" >&2
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rc=1
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fi
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done < <(git log --no-merges --format='%H%x09%s' "$range")
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exit $rc
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