clean-merged-branches

clean-merged-branches

#!/bin/bash
#
##
## Delete merged Git branches from the origin remote.
##
## Options:
##   -f            Really delete the branches. Without this branches are shown
##                 but nothing is deleted.
##

# stop on error
set -e

# show usage
[ "$1" = "--help" ] && {
    grep '^## ' <"$0"
    exit 0
}

# fetch and prune remote branches
git fetch origin --prune

# grab list of merged branches
branches=$(
  git branch -a --merged |
  grep remotes/origin/ |
  grep -v -E "/(master|test|staging|production)" |
  sed 's@remotes/origin/@@'
)

# bail out with no branches
[ -z "$branches" ] && {
    echo "# No merged branches detected" 1>&2
    exit 0
}

# delete the branches or just show what would be done without -f
if [ "$1" = -f ]; then
    git push origin $(echo "$branches" | sed 's/^ */:/')
else
    echo "# These branches will be deleted:"
    echo "$branches"
    echo ""
    echo "# Run with option '-f' if you're sure."
fi