Provides churn statistics (frequency of change) for git repositories

git-churn.rb

#!/usr/bin/env ruby
# frozen_string_literal: true

# This program modifies the original output of git-churn program https://github.com/garybernhardt/dotfiles/blob/master/bin/git-churn.
# It highlights current project files in green colour.

unless Kernel.system('command -v git-churn &> /dev/null')
  STDOUT.puts("Install git-churn first. See details at https://github.com/garybernhardt/dotfiles/blob/master/bin/git-churn")
  Kernel.exit
end

green = ->(text) { "\033[32m#{text}\033[0m" }

output = `git churn`
project_files = Dir['**/*', '.*']

output.each_line do |line|
  file = line.split.last

  if project_files.include?(file)
    line = green.call(line)
  end

  STDOUT.print(line)
end