pre-receive

#!/bin/bash
#
# An example hook script to make use of push options.
# The example simply echoes all push options that start with 'echoback='
# and rejects all pushes when the "reject" push option is used.
#
# To enable this hook, rename this file to "pre-receive".

# check if back merges are happening from important branches
echo "checking for bad branch names" 
while read oldrev newrev refname; do
	    if [[ $oldrev == $zero_commit && ! $refname =~ ^refs/heads/[a-w]+$ ]]; then
			    echo "Blocking creation of new branch $refname because it must only contain lower-case alphabetical characters."
    exit 1
  fi
done
exit 0