Post-receive hook to deploy projects by simply pushing to the repository

post-receive

#!/bin/bash

# Don't forget to check environments and deploy paths before using this script.

function deploy {
	echo "INFO: Deploying to $environment environment."
	mkdir -p $DEPLOY_PATH
	GIT_WORK_TREE=$DEPLOY_PATH git checkout -f $environment
}

while read oldrev newrev refname; do
	# turns 'refs/heads/branchname' into 'branchname'
	environment=${refname##*/}
	
	case "$environment" in
		( "production" )
			DEPLOY_PATH=/path/to/myproject
			deploy ;;
		( "homolog" )
			DEPLOY_PATH=/path/to/myproject-homolog
			deploy ;;
		( "" )
			echo "ERROR: Unspecified environment name. No deploy was made." ;;
		( * )
			echo "WARNING: Environment '$environment' is not set up. No deploy was made." ;;
	esac
done