Git post-receive hook for triggering release builds and dev build in Jenkins for selfhosted Git servers. Dev builds are triggered using Jenkins polling mechanism when branches are commited to. The release builds are triggered when tags are pushed.

post-receive

#!/bin/bash

## Git post-receive hook for triggering release builds and dev build in
## Jenkins for selfhosted Git servers. Dev builds are triggered using Jenkins
## polling mechanism when branches are commited to. The release builds are
## triggered when tags are pushed.

## Naming conventions
##
## Bare git repo: 			myproj.git
## Jenkins dev job:			myproj
## Jenkins release job:		myproj-release

JENKINS_URL="http://jenkins"
JENKINS_CREDENTIALS="someuser:apassword"
REPO_PATH="$(readlink -f "$(git rev-parse --git-dir)")"
JOB_NAME="$(basename $REPO_PATH .git)"
REL_JOB_NAME="$JOB_NAME-release"

############


#  Remove trailing slash if any
JENKINS_URL="${JENKINS_URL%/}"

while read oldval newval refname; do
	# Ignore if we are deleting something
	[ $newval = '0000000000000000000000000000000000000000' ] && break

	case $refname in
		refs/tags/*)
			# Adding or updating tag
			res="$(curl -sSf -u $JENKINS_CREDENTIALS "$JENKINS_URL/job/$REL_JOB_NAME/buildWithParameters" --data-urlencode "GIT_TAG=$refname" 2>&1)"
			status=$?
			case $status in
				22) echo "Couldn't trigger Jenkins job for: $REL_JOB_NAME" ;; 
				0) echo "Triggered Jenkins job $REL_JOB_NAME: $refname" ;;
				*) echo "Failed to trigger Jenkins job $REL_JOB_NAME: $res";;
			esac
			;;
		refs/heads/*)
			# Adding or updating a branch
			res="$(curl -sSf -u $JENKINS_CREDENTIALS -X POST "$JENKINS_URL/job/$JOB_NAME/polling" 2>&1)"
			status=$?
			case $status in
				22) echo "Couldn't trigger polling of Jenkins job for: $JOB_NAME" ;; 
				0) echo "Triggered polling of Jenkins job $JOB_NAME: $refname" ;;
				*) echo "Failed to trigger polling of Jenkins job $JOB_NAME: $res";;
			esac
			;;
	esac
done