Find redundant branches and print commands to delete them

branch-cleanup.sh

#!/usr/bin/env bash

COLOR_YELLOW(){ echo -en "\033[33m"; }
COLOR_RESET() { echo -en "\033[0m";  }

MAIN_BRANCH=${1:-master}
MAIN_REMOTE=${2:-origin}

label() {
	echo -e "\033[33m$@\033[0m" >&2
}

label remote branch cleanup
# git remote prune --dry-run $MAIN_REMOTE
git branch -r |
	grep $MAIN_REMOTE/ |
	grep \
		-ve $MAIN_REMOTE/$MAIN_BRANCH \
		-ve $MAIN_REMOTE/pull \
		-ve $MAIN_REMOTE/master \
		-ve $MAIN_REMOTE/release \
		-ve HEAD |
	while read i
	do
		git branch --contains $i |
			grep ^\*\ $MAIN_BRANCH$ -q &&
			echo $i |
			cut -d/ -f2- |
			sed -e s/^/:/
	done |
	xargs echo git push $MAIN_REMOTE

label local branch cleanup
git branch |
	grep \
		-ve $MAIN_BRANCH \
		-ve '^\+ ' \
		-ve '^\* ' \
		-ve master \
		-ve release \
		-ve HEAD |
	while read i
	do
		git branch --contains "$i" |
		grep ^\*\ $MAIN_BRANCH$ -q &&
			echo $i
	done |
	xargs echo git branch -d

USAGE
-----

    branch-cleanup.sh <main_branch>

    Find redundant branches and print commands to delete them
    `main_branch` (Optional) defaults to "master"

EXAMPLE
-------

    branch-cleanup.sh | bash

    This command will delete redundant branches