unixorn/git-extra-commands

#!/usr/bin/env zsh
#
# Originally from: https://github.com/cofi/dotfiles/blob/master/bin

emulate zsh

CURRENT_BRANCH="$(git branch | grep '^*' | sed s/\*\ //)"

if [[ "${CURRENT_BRANCH}" != "" ]] {
  TRACKED_REPOSITORY="$(git config branch.${CURRENT_BRANCH}.remote)"

  if [[ "${TRACKED_REPOSITORY}" != "" ]] {
    REMOTE_BRANCH="$(git config branch.${CURRENT_BRANCH}.merge | cut -d"/" -f3-)"

    if [[ "${REMOTE_BRANCH}" != "" ]] {
      TARGET="${TRACKED_REPOSITORY}/${REMOTE_BRANCH}"
      git fetch ${TRACKED_REPOSITORY} ${REMOTE_BRANCH}

      git log ..${TARGET}
    } else {
      echo "Current branch has no corresponding remote repository."
      echo 'Try setting branch.$CurrentBranch.merge'
    }
  } else {
    echo "Current branch doesn't track any repository."
    echo 'Try setting branch.$CurrentBranch.remote'
  }
}