gprune.in

#!/usr/bin/env bash

m4_include(gu_tools.inc.sh)

usage() {
  printf '%s\n' \
      'gprune @VERSION@' \
      '' \
      'gprune prune and delete remote branches and ' \
      'prune and delete local branches no longer on remote.' \
      '' \
      'Usage: gprune [-h] [[-b] branch] [-r remote]' \
      '' \
      '    -h      Show this usage.' \
      '    branch: Name of branch to delete or prune.' \
      '    remote: Name of the remote to delete or prune from.'
}

set -e

# defaults
if [ -z "${REMOTE-}" ]; then
  REMOTE=origin
fi

# process flags
pointer=1
while [[ $pointer -le $# ]]; do
   if [[ ${!pointer} != "-"* ]]; then ((pointer++)) # not a parameter flag so advance pointer
   else
      param=${!pointer}
      ((pointer_plus = pointer + 1))
      slice_len=1

      case $param in
         # paramter-flags with arguments
         -r|--remote) REMOTE=${!pointer_plus}; ((slice_len++));;
         -b|--branch) BRANCH=${!pointer_plus}; ((slice_len++));;

         # binary flags
         -h|--help) HELP=true;;
      esac

      # splice out pointer frame from positional list
      [[ $pointer -gt 1 ]] \
         && set -- ${@:1:((pointer - 1))} ${@:((pointer + $slice_len)):$#} \
         || set -- ${@:((pointer + $slice_len)):$#};
   fi
done

if [ ! -z "${HELP-}" ]; then
  usage
  exit 0
fi

if [ -z "${BRANCH-}" ]; then
  BRANCH=$1
fi

# If the current selected branch was deleted from remote lets force deletion.
if [ -z "${BRANCH-}" ]; then
  BRANCH=$(git b -vv | grep "*" | grep ': gone] ' | awk '{print $2}' | sed 's/* //')
fi

git fetch --prune
current_branch=$(git branch | grep "*" | sed 's/* //')
if [ "$current_branch" = "${BRANCH}" ]; then
  echo Switching to a different branch
  if branch_avail_on_remote ${REMOTE} ${BRANCH}; then
    git checkout ${BASED_BRANCH}
  else
    git checkout master
  fi
fi

if branch_avail_on_remote ${REMOTE} ${BRANCH}; then
  read -r -p "You are deleting a local \"${BRANCH}\" branch and the remote \"${REMOTE}/${BRANCH}\" branch... Press CTRL-c to cancel or Enter to continue.." -n 1 dummy
  if asksure; then
    git push ${REMOTE} --delete ${BRANCH}
    git branch -D ${BRANCH}
  fi
else
  if git rev-parse --verify ${BRANCH} > /dev/null 2>&1; then
    git branch -D ${BRANCH}
  fi
fi

# This part delete local branches, so there is no popups to confirm.
toDelete=$(git branch -vv | grep '*' | grep ': gone] ' | awk '{print $2}' )
if [ "$toDelete" != "" ]; then
  git checkout master
  git branch -D $toDelete
fi

git branch -D $(git branch -vv | grep ': gone] ' | awk '{print $1}' | xargs) > /dev/null 2>&1

echo Done.

# vim: set et ts=2 sw=2: