定制性感Bash提示-Git分支/状态

Posted 2021-02-23

customized version of Sexy Bash Prompt

# Sexy Bash Prompt, inspired by "Extravagant Zsh Prompt"
# Screenshot: http://img.gf3.ca/d54942f474256ec26a49893681c49b5a.png
# A big thanks to amethyst on Freenode
 
if [[ $COLORTERM = gnome-* && $TERM = xterm ]]  && infocmp gnome-256color >/dev/null 2>&1; then export TERM=gnome-256color
elif infocmp xterm-256color >/dev/null 2>&1; then export TERM=xterm-256color
fi
 
if tput setaf 1 &> /dev/null; then
    tput sgr0
    if [[ $(tput colors) -ge 256 ]] 2>/dev/null; then
      MAGENTA=$(tput setaf 9)
      ORANGE=$(tput setaf 172)
      GREEN=$(tput setaf 190)
      PURPLE=$(tput setaf 141)
      WHITE=$(tput setaf 256)
    else
      MAGENTA=$(tput setaf 5)
      ORANGE=$(tput setaf 4)
      GREEN=$(tput setaf 2)
      PURPLE=$(tput setaf 1)
      WHITE=$(tput setaf 7)
    fi
    BOLD=$(tput bold)
    RESET=$(tput sgr0)
else
    MAGENTA="33[1;31m"
    ORANGE="33[1;33m"
    GREEN="33[1;32m"
    BLUE="33[1;34m"
    PURPLE="33[1;35m"
    WHITE="33[1;37m"
    BOLD=""
    RESET="33[m"
fi
 
parse_git_dirty () {
  [[ $(git status 2> /dev/null | tail -n1) != "nothing to commit (working directory clean)" ]] && echo "*"
}
parse_git_branch () {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* (.*)/1$(parse_git_dirty)/"
}
 
# PS1='${debian_chroot:+($debian_chroot)}u[]@[$BOLD]h[33[00m]:[33[01;34m]w[33[00m]$ '
 
PS1="[$WHITE][$BOLD]u[$RESET]@[$WHITE][$BOLD]h[$RESET]:[33[01;34m][$BOLD]w[$WHITE]$([[ -n $(git branch 2> /dev/null) ]] && echo " [$RESET]on ")[$WHITE][$BOLD]$(parse_git_branch)[$RESET]
$ [$RESET]"
 
# [End] Sexy Bash Prompt, inspired by "Extravagant Zsh Prompt"