Jenkins branch job create/delete hook for git post-receive

gistfile1.sh

#!/bin/bash

# Copyright (c) 2013 Michael boke
#
# This hook creates new jobs for each new branch in the jenkins continuous integration tool. 
# Besides creating the job if needed, the user who pushed is added to the job's email list if they were not already there.

while read oldrev newrev refname ; do
        case "$refname" in
		refs/tags/*)
			exit 0
			;;
		refs/heads/*)
			short_refname=${refname##refs/heads/}
			;;
		*)
			echo >&2 "*** Unknown type of update to $refname"
			exit 1
			;;
	esac

	#load config
	#Config file should contain the following keys
	#curl_args="--user git:git"
	#jenkins_url="http://jenkinsserver:8080"
	#jenkins_job="ProjectJobHere"
	#ignored="master development"
	source `dirname $0`/config.conf
	
	#ignore all branches in the ignore list
	if [[ " $ignored " =~ " $short_refname " ]] ; then
		
		case "$short_refname" in
			master)
				/usr/bin/curl --fail ${curl_args} -X POST -s ${jenkins_url}/job/${jenkins_job}-master/build 2>/dev/null
				;;
			development)
				/usr/bin/curl --fail ${curl_args} -X POST -s ${jenkins_url}/job/${jenkins_job}-development/build 2>/dev/null
				;;
		esac
		
		exit 0
	fi

	#is branch deleted?
	if [ ! -f ${refname} ]; then
		#delete the old branch job
		/usr/bin/curl --fail ${curl_args} -X POST -s ${jenkins_url}/job/${jenkins_job}-${short_refname}/doDelete
		echo "Jenkins branch job removed: '${jenkins_job}-${short_refname}'"
	else
		#add or update job in jenkins
		
		#get user who committed
		if [ -z "$USER_EMAIL" ] ; then
		    USER_EMAIL=$(git log -1 --pretty=format:'%ce' $newrev)
		fi

		#get the branch job config
		branch_config=$(/usr/bin/curl --fail ${curl_args} -s ${jenkins_url}/job/${jenkins_job}-${short_refname}/config.xml 2>/dev/null)
		if [ $? -ne 0 ] ; then
			#new job
			master_config=$(/usr/bin/curl --fail ${curl_args} -s ${jenkins_url}/job/${jenkins_job}/config.xml 2>/dev/null)
			if [ $? -ne 0 ] ; then
			    echo "Cannot create jenkins branch job with master template ${jenkins_job}, not found"
			    exit 0
			fi
			
			#replace master with branch and replace branch name with this one
			branch_config="${master_config/<name>\*\/master</<name>*/${short_refname}<}"
	                
			#add committer email to recipients list, if he does not exist yet
			if [ "${branch_config/$USER_EMAIL/}" == "$branch_config" ] ; then
				branch_config="${branch_config/<recipients>/<recipients>$USER_EMAIL }"
			fi

			#send the new job
			/usr/bin/curl --fail ${curl_args} --data "$branch_config" -H "Content-Type: text/xml" -s ${jenkins_url}/createItem?name=${jenkins_job}-${short_refname} 2>/dev/null

			if [ $? -ne 0 ] ; then
				echo "Failed to create a new jenkins job '${jenkins_job}-${short_refname}'";
				exit 0;
			fi
			
			
			#enable job build
			/usr/bin/curl --fail ${curl_args} -X POST -s ${jenkins_url}/job/${jenkins_job}-${short_refname}/enable 2>/dev/null
			echo "Jenkins branch job created: '${jenkins_job}-${short_refname}'"
		else
			#existing job
			
			#add committer email to recipients list, if he does not exist yet
			if [ "${branch_config/$USER_EMAIL/}" == "$branch_config" ] ; then
				#add email
				branch_config="${branch_config/<recipients>/<recipients>$USER_EMAIL }"
				
				#update job
				/usr/bin/curl --fail ${curl_args} --data "$branch_config" -H "Content-Type: text/xml" -s ${jenkins_url}/job/${jenkins_job}-${short_refname}/config.xml 2>/dev/null
				if [ $? -ne 0 ] ; then
					echo "Failed to updatea jenkins job '${jenkins_job}-${short_refname}'";
				fi
			fi
		fi
		
		#trigger job build
		/usr/bin/curl --fail ${curl_args} -X POST -s ${jenkins_url}/job/${jenkins_job}-${short_refname}/build 2>/dev/null
		echo "Jenkins job building: '${jenkins_job}-${short_refname}'"
	fi
done

exit 0