git-cd

bashrc_git_cd.sh

# git-cd needs to be a shell function to be able to change directory
# on the other hand this means that it can't be invoked by 'git cd' command
git-cd()
{
  # try to get root directory of git repo, exit if no repo found
  if ! GIT_ROOT=$(git rev-parse --show-toplevel); then
    return 1
  fi
  if [[ $# = 0 ]]; then
    # no arguments, cd right into the repo root
    cd ${GIT_ROOT}
  elif [[ "$1" = - ]]; then
    cd -
  else
    # otherwise cd wrt repo root
    cd "${GIT_ROOT}/$1"
  fi
}

# bash autocompletion for git-cd
_git-cd()
{
  if ! GIT_ROOT=$(git rev-parse --show-toplevel); then
    return 1
  fi
  # current word to complete
  local CUR=${COMP_WORDS[COMP_CWORD]}
  # remove absolute paths
  if [[ "$CUR" =~ ^/ ]]; then
    CUR=${CUR#"/"}
  fi
  COMPREPLY=($(cd $GIT_ROOT; compgen -S '/' -d $CUR))
}
complete -o nospace -F _git-cd git-cd