pre-push-hook

#!/bin/bash

remote="$1"
url="$2"

# https://stackoverflow.com/questions/59895/getting-the-source-directory-of-a-bash-script-from-within
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"

z40=0000000000000000000000000000000000000000

while read localRef localSha remoteRef remoteSha
do
	if [ "$localSha" = $z40 ]
	then
		# Handle delete
		:
	else
		if [ "$remoteSha" = $z40 ]
		then
			# New branch, examine all commits
			range="$localSha"
		else
			# Update to existing branch, examine new commits
			range="$remoteSha..$localSha"
		fi

		commits=`git rev-list "$range"`
		
		while read -r commitId; do
			commitMsg=`git log --format=%B -n 1 $commitId`
			$$HOOK_DESTINATION$$ $localRef "$commitId" $DIR "$commitMsg"
			RESULT=$?
			[ $RESULT -ne 0 ] && exit 1
		done <<< "$commits"
	fi
done
exit 0