Git Bash Prompt

gistfile1.sh

bash_prompt_command() {
  local K="\[\033[0;30m\]"    # black
  local R="\[\033[0;31m\]"    # red
  local G="\[\033[0;32m\]"    # green
  local Y="\[\033[0;33m\]"    # yellow
  local B="\[\033[0;34m\]"    # blue
  local M="\[\033[0;35m\]"    # magenta
  local C="\[\033[0;36m\]"    # cyan
  local W="\[\033[0;37m\]"    # white
  local NONE="\[\033[0m\]"

  # BRANCH_NAME=`git branch | grep "*" | awk '{FS=" "; print $2}' 2>&1 >/dev/null`
  if git rev-parse --git-dir > /dev/null 2>&1; then
    : # This is a valid git repository (but the current working
    # directory may not be the top level.
    # Check the output of the git rev-parse command if you care)

    # BRANCH_NAME=`git branch | grep "*" | awk '{FS=" "; print $2}'`

    # Get branch name
    BRANCH_NAME=`git branch -vv| grep "*" | awk '{FS=" "; print $2}'`

    # Get tracking branch name
    TRACK_BRANCH_NAME=`git branch -vv| grep "*" | awk '{FS=" "; print $4}'`

    # If the tracking_branch_name starts with [, it means we have one
    if [[ $TRACK_BRANCH_NAME == \[* ]]; then
      # Removes the first character
      TRACK_BRANCH_NAME=${TRACK_BRANCH_NAME:1}

      # Get branch name after last / "origin/1.2" -> "1.2"
      TRACK_BRANCH_NAME=${TRACK_BRANCH_NAME##*/}

      # Removes the last character either ] or :
      TRACK_BRANCH_NAME=${TRACK_BRANCH_NAME::-1}
    else
      # We don't have a tracking branch
      TRACK_BRANCH_NAME="---"
    fi

    REPO_NAME=`git remote -v | grep origin | grep fetch | sed 's/.*\/\(.*\).git .*/\1/g'`

    PS1="[${G}\${REPO_NAME} ${R}(L) \${BRANCH_NAME} --> ${Y}(R) \${TRACK_BRANCH_NAME}${NONE}] ${OLD_PS1}"

  else
    : # this is not a git repository
    BRANCH_NAME=""
    PS1=$OLD_PS1
  fi
}

bash_prompt() {
  OLD_PS1=$PS1
}

# init it by setting PROMPT_COMMAND
PROMPT_COMMAND=bash_prompt_command
bash_prompt
unset bash_prompt