proon

#!/bin/bash
# Delete all branches that have been merged to master or specified merge branch && push deletes to remote origin

CHECK_ORIGIN=$(git remote -v | grep '^origin.\+(push)$')
if [ -z "$CHECK_ORIGIN" ]; then
	echo "You need to be in a git repo with a pushable \"origin\" remote!"
	exit 1
fi

INTERACTIVE=''
MERGE_BRANCH='master'
while getopts "ib:" OPTION
do
	case "$OPTION" in
		i)
			INTERACTIVE='yes'
			;;
		b)
			MERGE_BRANCH="$OPTARG"
			;;
	esac
done

for BRANCH in $(git branch --merged "$MERGE_BRANCH" | grep -v "\<master\>\|^\*\|\<$MERGE_BRANCH\>"); do
	if [ -n "$INTERACTIVE" ]; then
		read -p "$(basename $0): remove branch '$BRANCH'? (y)" RESPONSE
		if [  "$RESPONSE" != 'y' ] && [ "$RESPONSE" != '' ]; then
			continue
		fi
	fi
	ST=$(git branch -d "$BRANCH" 2>&1)
	if [ $? -eq 0 ]; then
		echo -n "Pruned \"$BRANCH\"; removing from origin..."
		RST=$(git push origin ":$BRANCH" 2>&1)
		if [ $? -eq 0 ]; then
			echo " Removed."
		else
			echo
			echo "Branch \"$BRANCH\" not removed from origin: $RST"
		fi
	else
		ST=$(echo "$ST" | head -n 1 | sed 's/error: //')
		echo "Branch \"$BRANCH\" not removed: $ST"
	fi
done