protect_default_branch

#!/bin/sh

CURRENT_GIT_REPO=`git remote -v |head -1 |awk '{print $2}'`
pushd . > /dev/null 2>&1
rm -rf /tmp/tmp_repo; mkdir -p /tmp/tmp_repo;
#echo "cloning $CURRENT_GIT_REPO"
git clone --depth 1 $CURRENT_GIT_REPO /tmp/tmp_repo > /dev/null 2>&1
cd /tmp/tmp_repo
DEFAULT_GIT_BRANCH=`git branch 2>/dev/null | grep -e '\* ' | sed 's/^..\(.*\)/\1/'`
popd > /dev/null 2>&1 
protected_branch=$DEFAULT_GIT_BRANCH
current_branch=`git symbolic-ref HEAD | sed -e 's,.*/\(.*\),\1,'`

#echo "current_branch = $current_branch"
#echo "protected_branch = $protected_branch"
if [ ${current_branch} = ${protected_branch} ]; then \
    echo "Direct push to the $protected_branch branch is not allowed"
    exit 1
fi

rm -rf /tmp/tmp_repo