git_prompt

#!/bin/bash
# Creates a shiny prompt that integrates well with git

# Load up my script that lets me set colors much easier
source bashrgb

# Load my prompt helpers that make a lot of this voodoo easier to do
source prompt_helpers

# pulls information from git to display in the prompt
git_dirty() {
    git status 2> ~/.nil |
      awk 'index($0,"Untracked files:") { unknown = 1 }
           index($0,"modified:") { changed = 1 }
           index($0,"new file:") { new = 1 }
           index($0,"deleted:") { deleted = 1 }
           index($0,"renamed:") { changed = 1 }
           END {
             if (unknown) printf "?"
             else if (changed) printf "!"
             else if (new) printf "."
             else if (deleted) printf "-"
           }'
}

git_branch() {
    git branch 2> ~/.nil | \
      awk -v on_color="$(fgc 34)" -v branch_color=""$(fgc 35) '$1 =="*" { printf on_color " on " branch_color $2 " " $3 }'
}

# Set the actual prompt string here
PS1='\[$(title $(PWD))\]$(colorful_hostname) \[$(fgc 32)\]\w$(git_branch)\[$(fgc 32)\]$(git_dirty)\n\[\r\]\[$(fgc 34)\]\$\[$(ansi_reset)\] '

# Pseudocode for new features
# if exists? '.git' then display_git_prompt # speed up the prompt if there's no git repo in this directory
# display_git_prompt() {git_dirty; git_branch;} # Encapsulate the functionality, no point in shoving it all into the prompt string
# git_dirty() { ..code.. unless $1 echo} # adds a linefeed if you are calling it without any args to distinguish between interactive and noninteractive usage

# Extra stuff, maybe use later
    #git bookmarks 2> ~/.nil | \
    #    awk '/\*/ { printf "\033[37;0m at \033[33;40m" $2 }'