Git Branch auto-clone script

git-auto-clone.sh

# Git branch auto-clone script
# https://gist.github.com/kenaniah/7af6efe09df138a8a2b9
# BASE should point to a bare git repo
# DEST should point to a directory for branches to be checked out into

# Define where things are pulled from
BASE=$1
DEST=$2

# Fetch to the source repo
echo "Fetching from source..."
git --git-dir=$BASE fetch

# List branches
BRANCHES=$(git --git-dir=$BASE branch -r | grep -v HEAD)

# Ensure all branches are tracked
for i in $BRANCHES; do 
	git --git-dir=$BASE branch -f ${i#*/} origin/${i#*/} > /dev/null;
done;

# Clone or update branch
for BRANCH in $BRANCHES; do
	echo "Processing branch: $BRANCH"
	DIR=`echo "$BRANCH" | cut -d "/" -f 2`
	if [ -d "$DEST/$DIR" ]; then
		cd $DEST/$DIR
		git pull
		cd - > /dev/null
	else
		git clone --local --single-branch --branch $DIR $BASE "$DEST/$DIR"
	fi;
done;

# Find branches to delete
STALE=`git --git-dir=$BASE fetch -p 2>&1 | grep "deleted" | rev | cut -d " " -f 1 | rev` 
for BRANCH in $STALE; do
	echo "Deleting branch: $BRANCH"
	DIR=`echo "$BRANCH" | cut -d "/" -f 2`
	if [ -d "$DEST/$DIR" ]; then
		rm -rf $DEST/$DIR
	fi;
done;