pre-rebase hook update
[git/git.git] / templates / hooks--commit-msg
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1#!/bin/sh
2#
3# An example hook script to check the commit log message.
215a7ad1 4# Called by git-commit with one argument, the name of the file
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5# that has the commit message. The hook should exit with non-zero
6# status after issuing an appropriate message if it wants to stop the
7# commit. The hook is allowed to edit the commit message file.
8#
9# To enable this hook, make this file executable.
10
59f3e254 11# Uncomment the below to add a Signed-off-by line to the message.
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12# Doing this in a hook is a bad idea in general, but the prepare-commit-msg
13# hook is more suited to it.
14#
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15# SOB=$(git var GIT_AUTHOR_IDENT | sed -n 's/^\(.*>\).*$/Signed-off-by: \1/p')
16# grep -qs "^$SOB" "$1" || echo "$SOB" >> "$1"
17
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18# This example catches duplicate Signed-off-by lines.
19
20test "" = "$(grep '^Signed-off-by: ' "$1" |
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21 sort | uniq -c | sed -e '/^[ ]*1[ ]/d')" || {
22 echo >&2 Duplicate Signed-off-by lines.
23 exit 1
24}