git-standup

#! /usr/bin/env ruby

require 'date'
require 'fileutils'
require 'optparse'

def parse_cli_options
  options = {}

  OptionParser.new do |opts|
    opts.banner = "Usage: git standup [--since=<date>] [--author=<name>]"

    opts.on("--since [OPTIONAL]", "Show commits more recent that a specific date (defaults to a weekend-aware guess of last working day)") do |since|
      options[:since] = since
    end

    opts.on("--author [OPTIONAL]", "Show only commits from a particular author (defaults to the user defined in .gitconfig)") do |author|
      options[:author] = author
    end

    opts.on("-v", "--verbose", "Show more commit info, like author and timestamp") do |verbose|
      options[:verbose] = verbose
    end
  end.parse!

  options
end

def output_log(options={})
  # TODO (2013-05-13) Branch info would be nice
  log_format = "%Cred%h%Creset -%Creset %s#{ '%Cgreen(%cD) %C(bold blue)<%an>' if options[:verbose] }%Creset"
  author     = options[:author] || %x[git config user.email].strip

  today      = Time.now.to_date
  week_day   = Date::DAYNAMES[today.wday]

  if week_day == 'Monday'
    last_working_day = today - 3
  else
    last_working_day = today - 1
  end

  %x<git log --pretty=format:"#{log_format}" --since="#{options[:since] || last_working_day.to_s}" --author="#{author}">
end

options = parse_cli_options

if File.directory?('.git')
  puts output_log(options)
end

Dir['*/.git'].each do |git_dir|
  project_dir = File.dirname(git_dir)
  project_log = nil

  FileUtils.cd(project_dir) do
    project_log = output_log(options).strip
  end

  if project_log != ''
    header = ">> Project: #{project_dir}"

    puts "=" * header.size
    puts header
    puts "=" * header.size

    puts project_log
  end
end