1#!/bin/sh 2# 3# An example hook script to check the commit log message. 4# Called by git-commit with one argument, the name of the file 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 11# This example catches duplicate Signed-off-by lines. 12 13test""="$(grep '^Signed-off-by: ' "$1" | 14 sort | uniq -c | sed -e '/^[ ]*1 /d')"