git-branch-details

git-branch-details.rb

#!/usr/bin/env ruby

require 'time'
require 'colored'
require 'parallel'


class GitBranchDetails

  COLUMNS = [
    'name',
    'latest_commit_ago',
    'author_name',
    'merged into origin/master',
    'travis',
  ]

  def initialize(branch_names=nil)
    @branch_names = branch_names unless branch_names.empty?
  end

  def print_report
    print_formats = COLUMNS.map do |column|
      max = (branches.map{|b| b[column].to_s.length } + [column.length]).max
      "%-#{max+5}s"
    end
    print_format = print_formats.join(' ')+"\n"
    x = sprintf print_format, *COLUMNS
    puts x
    puts '-' * x.length
    branches.each do |branch|
      line = sprintf(print_format, *branch.values_at(*COLUMNS))
      print line
    end
  end

  def branch_names
    @branch_names ||= `git branch`.chomp.gsub(/^../,'').split("\n")
  end

  def branches
    @branches ||= begin
      branch_names.reject! do |branch_name|
        ignored_branches.include?(branch_name)
      end

      branches = Parallel.map(branch_names, in_processes: branch_names.length) do |branch_name|
        get_branch_details(branch_name)
      end

      branches.sort_by!{|b| b['latest_commit_time'] }.reverse!

      branches
    end
  end

  def travis_details
    `travis requests --pro`
  end

  def get_branch_details(branch_name)
    details = `git log -1 --format="%h,%an,%ae,%ci,%cr" #{branch_name}`.chomp.split(',')
    branch = %w{sha author_name author_email latest_commit_time latest_commit_ago}.zip(details).to_h
    branch['name'] = branch_name
    branch['latest_commit_time'] = Time.parse(branch['latest_commit_time'])
    branch['merged into origin/master'] = `git branch -r --contains #{branch_name}`.chomp.gsub(/^../,'').split("\n").include?('origin/master') ? 'yes'.green : 'no'.yellow
    branch['travis'] = get_travis_state(branch_name)

    # branch['travis'] = `travis requests --pro`
    branch
  end

  def get_travis_state(branch_name)
    travis_show = `travis show #{branch_name} 2>&1`
    if travis_show =~ /^resource not found/i
      return 'not found'.yellow
    end
    travis_state = travis_show[/State:\s+(.+)\n/,1]
    case travis_state
    when 'passed'; 'passed'.green
    when 'started'; 'started'.green
    when 'failed'; 'failed'.red
    when 'canceled'; 'canceled'.yellow
    else; "unknown #{travis_state}"
    end
  end

  def ignored_branches
    %w{master staging production}
  end

end

GitBranchDetails.new(ARGV).print_report