Class: Fog::Rake::ChangelogTask

Inherits:
Rake::TaskLib
  • Object
show all
Defined in:
lib/tasks/changelog_task.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ChangelogTask

Returns a new instance of ChangelogTask.



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# File 'lib/tasks/changelog_task.rb', line 8

def initialize
  desc "Update the changelog since the last release"
  task(:changelog) do
    timestamp = Time.now.utc.strftime('%m/%d/%Y')
    sha = `git log | head -1`.split(' ').last
    changelog = ["#{Fog::VERSION} #{timestamp} #{sha}"]
    changelog << ('=' * changelog[0].length)
    changelog << ''

    require 'multi_json'
    github_repo_data = Fog::JSON.decode(Excon.get('https://api.github.com/repos/fog/fog', :headers => {'User-Agent' => 'geemus'}).body)
    data = github_repo_data.reject {|key, value| !['forks', 'open_issues', 'watchers'].include?(key)}
    github_collaborator_data = Fog::JSON.decode(Excon.get('https://api.github.com/repos/fog/fog/collaborators', :headers => {'User-Agent' => 'geemus'}).body)
    data['collaborators'] = github_collaborator_data.length
    rubygems_data = Fog::JSON.decode(Excon.get('https://rubygems.org/api/v1/gems/fog.json').body)
    data['downloads'] = rubygems_data['downloads']
    stats = []
    for key in data.keys.sort
      stats << "'#{key}' => #{data[key]}"
    end
    changelog << "Stats! { #{stats.join(', ')} }"
    changelog << ''

    last_sha = `cat changelog.txt | head -1`.split(' ').last
    shortlog = `git shortlog #{last_sha}..HEAD`
    changes = {}
    committers = {}
    for line in shortlog.split("\n")
      if line =~ /^\S/
        committer = line.split(' (', 2).first
        committers[committer] = 0
      elsif line =~ /^\s*((Merge.*)|(Release.*))?$/
        # skip empty lines, Merge and Release commits
      else
        unless line[-1..-1] == '.'
          line << '.'
        end
        line.lstrip!
        line.gsub!(/^\[([^\]]*)\] /, '')
        tag = $1 || 'misc'
        changes[tag] ||= []
        changes[tag] << (line << ' thanks ' << committer)
        committers[committer] += 1
      end
    end

    for committer, commits in committers.to_a.sort {|x,y| y[1] <=> x[1]}
      if [
        'Aaron Suggs',
        'Brian Hartsock',
        'Christopher Oliver',
        'Daniel Reichert',
        'Decklin Foster',
        'Dylan Egan',
        'Erik Michaels-Ober',
        'geemus',
        'Henry Addison',
        'James Bence',
        'Kevin Menard',
        'Kyle Rames',
        'Lincoln Stoll',
        'Luqman Amjad',
        'Michael Zeng',
        'Nat Welch',
        'Nick Osborn',
        'nightshade427',
        'Patrick Debois',
        'Paul Thornthwaite',
        'Rupak Ganguly',
        'Stepan G. Fedorov',
        'Wesley Beary'
      ].include?(committer)
      next
      end
      changelog << "MVP! #{committer}"
      changelog << ''
      break
    end

    for tag in changes.keys.sort
      changelog << ('[' << tag << ']')
      for commit in changes[tag]
        changelog << ('  ' << commit)
      end
      changelog << ''
    end

    old_changelog = File.read('changelog.txt')
    File.open('changelog.txt', 'w') do |file|
      file.write(changelog.join("\n"))
      file.write("\n\n")
      file.write(old_changelog)
    end
  end
end