voxide-git-files

#!/usr/bin/env ruby
# Print git files -- commit / index / local -- with nice colors
# prints: <filename><tab><pretty display>
# use with: fzf --ansi --with-nth 2 -d $'\t' | cut -f1
require 'shellwords'

class String
def black;          "\e[30m#{self}\e[0m" end
def red;            "\e[31m#{self}\e[0m" end
def green;          "\e[32m#{self}\e[0m" end
def brown;          "\e[33m#{self}\e[0m" end
def blue;           "\e[34m#{self}\e[0m" end
def magenta;        "\e[35m#{self}\e[0m" end
def cyan;           "\e[36m#{self}\e[0m" end
def gray;           "\e[37m#{self}\e[0m" end

def bg_black;       "\e[40m#{self}\e[0m" end
def bg_red;         "\e[41m#{self}\e[0m" end
def bg_green;       "\e[42m#{self}\e[0m" end
def bg_brown;       "\e[43m#{self}\e[0m" end
def bg_blue;        "\e[44m#{self}\e[0m" end
def bg_magenta;     "\e[45m#{self}\e[0m" end
def bg_cyan;        "\e[46m#{self}\e[0m" end
def bg_gray;        "\e[47m#{self}\e[0m" end

def bold;           "\e[1m#{self}\e[22m" end
def italic;         "\e[3m#{self}\e[23m" end
def underline;      "\e[4m#{self}\e[24m" end
def blink;          "\e[5m#{self}\e[25m" end
def reverse_color;  "\e[7m#{self}\e[27m" end

def esc; Shellwords.escape(self); end
end

sha_to_change = ARGV.first
local = sha_to_change ? [] : `git diff --name-only`.strip.split("\n")
index = sha_to_change ? [] : `git diff --name-only --cached`.strip.split("\n")
commit = `git show --name-only --oneline #{sha_to_change&.esc} | tail -n +2`.strip.split("\n")

root_dir = `git rev-parse --show-toplevel`.strip

all = local | index | commit
# all = all[0..34] # why did I do this?
all.reject!{|f| !File.exist?("#{root_dir}/#{f}")}
all.sort_by!{|f| File.mtime("#{root_dir}/#{f}")}.reverse!

if (%w[raw --raw -r r] & ARGV).any?
  puts all.join("\n")
  exit 0
end

all.each do |f, i|
  puts [
    File.join(root_dir, f),
    "\t",
    local.include?(f) ? 'loc'.red : '   ',
    ' ',
    index.include?(f) ? 'ind'.blue : '   ',
    ' ',
    commit.include?(f) ? 'com'.green : '   ',
    ' ',
    f.bold,
  ].join
end

print "\t"
system "git show --quiet --oneline"