Class: Capistrano::Capflow

Inherits:
Object
  • Object
show all
Defined in:
lib/capistrano/capflow.rb

Class Method Summary collapse

Class Method Details

.load_into(capistrano_configuration) ⇒ Object

include Capistrano::Helpers::CapflowHelper



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# File 'lib/capistrano/capflow.rb', line 12

def self.load_into(capistrano_configuration)

  capistrano_configuration.load do
    before "deploy:update_code", "capflow:calculate_tag"
    before "capflow:calculate_tag", "capflow:verify_up_to_date"

    namespace :capflow do
          
    def who
      identity = (`git config user.name` || `whoami`)
      identity.chomp.to_url
    end

    def tags
      `git tag`.split("\n").compact
    end

    def non_release_tags
      tags - releases 
    end

    def current_branch
      branches.select{|b| b =~ /^\*\s/}.first.gsub(/^\*\s/,"")
    end

    def branches
     `git branch --no-color`.split("\n")
    end

    def version_tag_prefix
      `git config gitflow.prefix.versiontag`.split("\n").first
    end

    def releases
      tags.select{|t| t =~ /^#{version_tag_prefix}(\d+)/}.collect{|version| Versionomy.parse(version) }.sort
    end

    def latest_release
      releases.reverse.first.to_s
    end

    def available_tags
      Capistrano::CLI.ui.say "Available Tags:"
      Capistrano::CLI.ui.say "#{non_release_tags.join("\n")}"
    end

    def available_releases
      Capistrano::CLI.ui.say "\nAvailable Releases:".color :green
      Capistrano::CLI.ui.say "#{releases.sort.reverse.join("\n")}"
    end

    def banner

      <<-BANNER
\nCapflow for Gitflow
      BANNER
    end



      def deploy_from
        puts banner
        if stage == :production
          available_releases
          from_destination = Capistrano::CLI.ui.ask("\nRelease to deploy:".color(:yellow).bright) do |q|
            q.default = latest_release
          end
        else
          create_tag = Capistrano::CLI.ui.agree("Do you want to tag deployment? [y/N]".color(:yellow)) do |q|
            q.default = 'N'
          end
          return next_tag if create_tag
          available_tags
          from_destination = Capistrano::CLI.ui.ask "\nBranch, tag or release to deploy:".color(:yellow).bright do |q|
            q.default = current_branch
          end
        end
        return from_destination
      end

      def next_tag
        hwhen   = Date.today.to_s
        what = Capistrano::CLI.ui.ask("What does this release introduce? (this will be normalized and used in the tag for this release)".color(:yellow)).to_url
        new_staging_tag = "#{hwhen}-#{who}-#{what}"
        puts "Tagging current branch for deployment to staging as '#{new_staging_tag}'".color(:green)
        system "git tag -a -m 'tagging current code for deployment to staging' #{new_staging_tag}"
        return new_staging_tag
      end

      def using_git?
        fetch(:scm, :git).to_sym == :git
      end

      task :verify_up_to_date do
        if using_git?
          set :local_branch, `git branch --no-color 2> /dev/null | sed -e '/^[^*]/d'`.gsub(/\* /, '').chomp
          set :local_sha, `git log --pretty=format:%H HEAD -1`.chomp
          set :origin_sha, `git log --pretty=format:%H #{local_branch} -1`
          unless local_sha == origin_sha
            abort """
Your #{local_branch} branch is not up to date with origin/#{local_branch}.
Please make sure you have pulled and pushed all code before deploying:

git pull origin #{local_branch}
# run tests, etc
git push origin #{local_branch}

"""
          end
        end
      end

      desc "Calculate the tag to deploy"
      task :calculate_tag do
        if using_git?
          # make sure we have any other deployment tags that have been pushed by others so our auto-increment code doesn't create conflicting tags
          `git fetch`
          if stage == :production
              tag_production
          else
              tag_staging
          end


            system "git push --tags origin #{local_branch}"
            if $? != 0
              abort "git push failed"
            end

        end
      end

      desc "Mark the current code as a staging/qa release"
      task :tag_staging do
        #current_sha = `git log --pretty=format:%H HEAD -1`
        #last_staging_tag_sha = if last_staging_tag
         #                        `git log --pretty=format:%H #{last_staging_tag} -1`
          #                     end

        #if last_staging_tag_sha == current_sha
        #  puts "Not re-tagging staging because latest tag (#{last_staging_tag}) already points to HEAD"
        #  new_staging_tag = last_staging_tag
        #else
        #
        staging_destination = deploy_from

        #end

        set :branch, staging_destination
      end

      desc "Push the approved tag to production. Pass in tag to deploy with '-s tag=staging-YYYY-MM-DD-X-feature'."
      task :tag_production do

        production_destination = deploy_from

         really_deploy = Capistrano::CLI.ui.ask("Do you really want to deploy #{production_destination}? [y/N]").to_url

         exit(1) unless really_deploy =~ /^[Yy]$/

        set :branch, production_destination
      end
    end

    namespace :deploy do
      namespace :pending do
        task :compare do
          #gitflow.commit_log
        end
      end
    end

  end

end