check git for existence of branches (code freeze requirement - have app the projects branched yet?)

git-check-if-branches-exist.sh

#!/bin/bash

# moved to https://github.com/jbosstools/jbosstools-build-ci/blob/master/util/checkIfBranchesExist.sh

debug=0

usage ()
{
	echo "Usage: $0 -b newbranchname [project1] [project2] [project3] ..."
	echo "Example: $0 -b jbosstools-4.3.0.Alpha1x aerogear arquillian base birt browsersim central forge \\"
	echo " freemarker hibernate javaee jst livereload openshift portlet server vpe webservices discovery \\"
	echo " build build-ci build-sites download.jboss.org"
	exit 1;
}

if [[ $# -lt 1 ]]; then
	usage;
fi

# projects to check if branched
#projects="base birt build build-ci build-sites central download.jboss.org forge freemarker gwt hibernate intergration-tests javaee jst maven-plugins openshift portlet server target-platforms vpe webservices"

# read commandline args
while [[ "$#" -gt 0 ]]; do
	case $1 in
		'-b') branch="$2"; shift 1;;
		*) projects="$projects $1";;
	esac
	shift 1
done

if [[ ! $branch ]]; then 
	echo "branch is not set!"; exit 1
fi
if [[ ! $projects ]]; then 
	echo "no project(s) selected!"; exit 1
fi

debug ()
{
	if [[ $debug -gt 0 ]]; then echo "$1"; fi
}
# for branch = jbosstools-4.3.0.Alpha1x  check also for a branch ending in Alpha1x
branchAlt=${branch##*.}; 
cd /tmp
for d in $projects; do 
	echo -n "$d"
	if [[ `wget https://github.com/jbosstools/jbosstools-${d}/tree/${branch} 2>&1 | egrep "ERROR 404"` ]]; then
		echo ""
		#echo " * Not found  checking https://api.github.com/repos/jbosstools/jbosstools-${d}/branches for branches ending in ${branchAlt} ..."
		altBranches=`wget https://api.github.com/repos/jbosstools/jbosstools-${d}/branches 2>/dev/null -O - | egrep "\"name\":" | egrep "${branchAlt}"`
		if [[ $altBranches ]]; then
			echo "* Found possible alternate branches:" 
			echo "$altBranches"
		else
			debug "* Branch $branch not found; no alternates found at https://api.github.com/repos/jbosstools/jbosstools-${d}/branches:"
			debug "$altBranches"
		fi
	else
		echo " ... OK"
	fi
	rm -f ${branch} branches
	echo ""
done