Bash prompt with error code and git status.

bashrc

# ~/.bashrc

set_prompt () {
  local Last_Command=$? # Must come first!
  local Blue='\[\e[00;34m\]'
  local White='\[\e[00;37m\]'
  local Red='\[\e[00;31m\]'
  local BRed='\[\e[01;31m\]'
  local Green='\[\e[00;32m\]'
  local Yellow='\[\e[00;33m\]'
  local Reset='\[\e[00m\]'
  local FancyX='\342\234\227'
  local Checkmark='\342\234\223'
  
  local git_commit_id git_status min_color=1
  
  # ERR_CODE
  PS1=""
  
  if (( Last_Command != 0 )); then
    PS1+="${BRed}${Last_Command}${Reset}:"
  fi
  
  if (( ! min_color )); then
    if (( Last_Command == 0 )); then
      PS1+="${Green}"
    else
      PS1+="${Red}"
    fi
  fi
  
  PS1+="\u@\h${Reset}"
  
  if (( min_color )); then
    PS1+=":\w\\$ "
  else
    PS1+=":${Blue}\w${Reset}\\$ "
  fi
  
  # GIT
  git_commit_id="$(git rev-parse --short HEAD 2>/dev/null)"
  if (( $? == 0 )); then
    git_status="$(git status)"
    if [ "$(grep -E '(not staged)|(Changed but not updated:)' <<< "${git_status}")" ]; then
      PS1+="${Red}"
    elif [ "$(grep -E '(Changes to be committed:)' <<< "${git_status}")" ]; then
      PS1+="${Yellow}"
    else
      PS1+="${Green}"
    fi
#    PS1+="($(git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'))${Reset} "
    PS1+="($(git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/')|${git_commit_id})${Reset} "
#    echo -n "$(__git_ps1)"
  fi
}
PROMPT_COMMAND='set_prompt'

mc_bashrc

# ~/.local/share/mc/bashrc

if [ -f $HOME/.bashrc ]; then
  . $HOME/.bashrc
else
  if [ -f /etc/bashrc ]; then
    . /etc/bashrc
  fi
fi

set_prompt_err_code() {
  local ret=$?
  (( ret )) && echo -n "${ret}:"
}

set_prompt_git() {
  git_commit_id="$(git rev-parse --short HEAD 2>/dev/null)"
  if (( $? == 0 )); then
    echo -n '('
    echo -n "$(git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/')"
    echo -n "|${git_commit_id}"
    if [ "$(git status | grep -E '(not staged)|(Changed but not updated:)|(Changes to be committed:)')" ]; then
      echo -n ':!'
    fi
    echo -n ") "
#    echo -n "$(__git_ps1)"
  fi
}

set_prompt_reset() {
  PROMPT_COMMAND="$(sed -r 's/^(set_prompt;)?/set_prompt;/' <<< "${PROMPT_COMMAND}")"
}

export PROMPT_COMMAND=""
export PS1="\$(set_prompt_err_code)\u@\h:\w\\$ \$(set_prompt_git)"