39 lines
1.1 KiB
Bash
Executable File
39 lines
1.1 KiB
Bash
Executable File
#!/bin/sh
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#
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# A hook script to check the commit log message.
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# Called by "git commit" with one argument, the name of the file that has the
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# commit message.
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# The hook should exit with non-zero status after issuing an appropriate message
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# if it wants to stop the commit.
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# The hook is allowed to edit the commit message file.
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#
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# To enable this hook, save this file in ".git/hooks/commit-msg".
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die() {
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printf "$1" >&2
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exit ${2:-1}
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}
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subject="$(head -1 "$1")"
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body="$(tail +2 "$1" | grep -v "^#")"
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[ ${#subject} -le 50 ] || die "Subject too long. (<= 50)\n"
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if ! echo "$subject" | grep -qE "^([-_,*(){}a-zA-Z0-9]+:)+ "; then
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die "Specify which program was modified. (e.g. \"zsh:p10k: <subject>\")\n"
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fi
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if ! echo "$subject" | grep -qE "^([-_,*(){}a-zA-Z0-9]+:)+ [A-Z]"; then
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die "Start subject with a capital letter.\n"
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fi
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if ! echo "$subject" | grep -qE "^([-_,*(){}a-zA-Z0-9]+:)+ [A-Z].*[^.]$"; then
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die "Remove punctuation mark from end.\n"
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fi
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BKP_IFS="$IFS"
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IFS='
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'
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for line in $body; do
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[ ${#line} -le 72 ] || die "Body lines too long. (<= 72)\n"
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done
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IFS="$BKP_IFS"
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