Class: SC::Experimental

Inherits:
Command show all
Defined in:
lib/sc/commands/experimental.rb

Constant Summary

Constants inherited from Command

Command::VALID_SET_KEYS

Instance Method Summary collapse

Methods inherited from Command

commands, inherited, options, reset!

Instance Method Details

#create_experimental_branch ⇒ Object 



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# File 'lib/sc/commands/experimental.rb', line 84

def create_experimental_branch
  raise "branch #@path already exists" if @has_path

  unless opthash[:force]
    name = @branch_name
    name = @path if @prefix != 'exp'

    exit unless Constants::TERMINAL.agree("Create experimental branch " + 
                  Constants::TERMINAL.color(name, :green) + " off " +
                  Constants::TERMINAL.color(@project.to_s, :green) + "/trunk? ")
  end

  Svn.branch(@project, @project.trunk, @project.branches(@path))
  Svn.branch(@project, @project.branches(@path), @project.tags("#{@prefix}/PRE-#{@branch_name}"))

  unless opthash[:no_checkout]
    Constants::TERMINAL.say("Checked out: " + 
      Constants::TERMINAL.color(Path.relative_to_home(@project.checkout(@project.branches(@path))), :green))
  end
end

#latest_merge(prefix) ⇒ Object 



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# File 'lib/sc/commands/experimental.rb', line 125

def latest_merge (prefix)
  merges = []

  Svn.list(@project.tags(@prefix)) do |line|
    if m = line.match(/^#{prefix}(\d+)-#{@branch_name}\/?$/)
      merges << m[1].to_i
    end
  end

  merges.sort.last
end

#merge(direction, merge_to, end_tag) ⇒ Object 



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# File 'lib/sc/commands/experimental.rb', line 106

def merge (direction, merge_to, end_tag)
  raise "there is no experimental branch with the name #{@branch_name}" unless @has_path

  last_merge_number = latest_merge(direction)
  start = last_merge_number ? "#{direction}#{last_merge_number}" : "PRE"
  next_merge_number = last_merge_number ? last_merge_number+1 : 1

  start_tag = "#{@prefix}/#{start}-#{@branch_name}"

  # tag the current merge point for our next merge
  Svn.branch(@project, end_tag, @project.tags("#{@prefix}/#{direction}#{next_merge_number}-#{@branch_name}"))

  # merge the trunk to the branch
  @project.merge(merge_to, start_tag, end_tag) do
    "then commit your changes to finish the #{direction} merge"
  end
end

#run(project, args) ⇒ Object 



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# File 'lib/sc/commands/experimental.rb', line 52

def run (project, args)
  if opthash[:up] and opthash[:down]
    raise "you can only use one of --up or --down"
  end

  @branch_name = Project.clean_name(args.first)

  unless opthash[:force]
    if @branch_name != args.first and !Constants::TERMINAL.agree("Is #{@branch_name} OK for the branch name? ")
      raise "please pick a branch name that doesn't include any special characters"
    end
  end

  if @branch_name != args.first
    Constants::TERMINAL.say("using #{Constants::TERMINAL.color(@branch_name, :green)} as the branch name")
  end

  @project = project
  @prefix = opthash[:prefix] || 'exp'
  @path = "#{@prefix}/#{@branch_name}"
  @has_path = Svn.has_path(@project.branches(@path))

  if opthash[:up]
    merge('UP', @project.branches(@path), @project.trunk)
  elsif opthash[:down]
    merge('DOWN', @project.trunk, @project.branches(@path))
  else
    create_experimental_branch
  end
end