git prompt - bash

.bashrc

# prompt
## git dirty "*"
function parse_git_dirty {
  [[ $(git diff --shortstat 2> /dev/null | tail -n1) != "" ]] && echo "*"
}
## git added
function parse_added {
  local added=`expr $(git status --porcelain 2>/dev/null| grep "^[A|M]" | wc -l)`
  if [ "$added" != "0" ]
  then
    echo " +$added"
  fi
}
## git unadded
function parse_unadded {
  local unadded=`expr $(git status --porcelain 2>/dev/null| grep "^ [M|A]" | wc -l)`
  if [ "$unadded" != "0" ]
  then
    echo " ±$unadded"
  fi
}
## git untracked
function parse_untracked {
  local untracked=`expr $(git status --porcelain 2>/dev/null| grep "?" | wc -l)`
  if [ "$untracked" != "0" ]
  then
    echo " ?$untracked"
  fi
}
## git deleted
function parse_deleted {
  local deleted=`expr $(git status --porcelain 2>/dev/null| grep "D" | wc -l)`
  if [ "$deleted" != "0" ]
  then
    echo " !$deleted"
  fi
}
## git branch and combine git prompt
git_prompt() {
  local ref=$(git branch 2>/dev/null | sed -n '/\* /s///p')
  if [ "$ref" != "" ]
  then
    echo " ($ref$(parse_git_dirty)$(parse_added)$(parse_unadded)$(parse_untracked)$(parse_deleted)) "
  fi
}
## prompt variable
export PS1="\[\033[0;31m\]\w 🐧 \[\033[0;95m\]\$(git_prompt)\[\033[0m\] \[\033[0m\]"

# bash completion
[[ -r "/usr/local/etc/profile.d/bash_completion.sh" ]] && . "/usr/local/etc/profile.d/bash_completion.sh"

alias reload='source ~/.bashrc'

alias ll='ls -la'
alias .='cd ..'
alias .2='cd ../..'
alias .3='cd ../../..'
alias .4='cd ../../../..'
alias .5='cd ../../../../..'

alias gs='git status'
alias gl='git log'
alias gall='git add --all'