Class: Commands::Pull

Inherits:
Object
  • Object
show all
Defined in:
lib/commands/pull.rb

Instance Method Summary collapse

Instance Method Details

#options ⇒ Object

holds the options that were passed you can set any initial defaults here



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# File 'lib/commands/pull.rb', line 13

def options
  @options ||= {
  }
end

#register(opts, global_options) ⇒ Object 



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# File 'lib/commands/pull.rb', line 24

def register(opts, global_options)
  opts.banner = "Usage: pull [options]"
  opts.description = "Pull code from remote repo."

  opts.on('-t', "--tag name", "Name of the remote tag that you want to checkout. Warning this will overwrite any local changes.") do |v|
    options[:tag] = v
  end

  opts.on("--remote-version", "Pull from remote version branch into your current branch.") do |v|
    options[:remote_version] = true
  end

  opts.on("--base-version", "Pull from base remote version branch into your current branch.") do |v|
    options[:base_version] = true
  end

  opts.on('-n', "--dry-run", "Perform a dry run.") do |v|
    options[:dry_run] = true
  end
end

#required_options ⇒ Object

required options



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# File 'lib/commands/pull.rb', line 19

def required_options
  @required_options ||= Set.new [
  ]
end

#run(global_options) ⇒ Object

Parameters:

  • global_options (Object) 


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# File 'lib/commands/pull.rb', line 46

def run(global_options)

  # see if we can open the config file - we append the .config suffix
  # the file is expected to be in JSON format
  tag = options[:tag]
  remote_version = !!options[:remote_version]
  base_version = !!options[:base_version]
  dry_run = !!options[:dry_run] ? "--dry-run" : ""

  if ARGV.length > 0
    raise "You must specify all arguments with their options."
  end

  if (!tag.nil? && (remote_version || base_version))
    raise "You can't specify both a pull from a tag and a pull from a remote version branch together."
  end

  if (remote_version && base_version)
    raise "You can only specify base-version or remote-version, not both."
  end

  # get config based on name of current dir
  info = EbmSharedLib.get_config_from_top_dir

  # Back up to version parent dir.  This directory contains the top level repos.
  top_dir = Dir.pwd

  merge_failed = false
  repos = info[:repos]
  repos.each do |repo|
    repo_name = EbmSharedLib.get_repo_name(repo[:git_path])
    repo_path = "#{top_dir}/#{repo_name}"
    branch = repo[:branch]
    base_branch = repo[:base_branch]

    puts("\n#{repo_name} pull:\n");

    cmd = "git fetch #{dry_run} --all"
    if EbmSharedLib::CL.do_cmd_result(cmd, repo_path) != 0
      raise "Git fetch failed for #{repo_name}."
    end

    if tag
      # use git checkout to force changes from either tag or branch
      cmd = "git checkout -f refs/tags/#{tag}"
      if EbmSharedLib::CL.do_cmd_result(cmd, repo_path) != 0
        raise "Git checkout failed for #{repo_name}."
      end
    elsif repo[:create_dev_branch]
      if remote_version
        # pulling from remote version branch
        cmd = "git pull #{dry_run} --no-ff --no-edit --recurse-submodules=yes origin #{branch}"
      elsif base_version
        # pulling from base remote version branch
        if base_branch.nil?
          raise "You specified base-version but the config has no base_branch."
        end
        cmd = "git pull #{dry_run} --no-ff --no-edit --recurse-submodules=yes origin #{base_branch}"
      else
        # pull from the remote branch of the current branch
        cmd = "git pull #{dry_run} --no-ff --no-edit --recurse-submodules=yes"
      end

      exit_code = EbmSharedLib::CL.do_cmd_ignore_str(cmd, "Automatic merge failed", repo_path)
      if exit_code != 0 && exit_code != 999
        raise "Git pull failed for #{repo_name}."
      end
      if exit_code == 999
        merge_failed = true
      end
    end

    cmd = "git submodule sync"
    if EbmSharedLib::CL.do_cmd_result(cmd, repo_path) != 0
      raise "Submodule sync for #{repo_name} failed."
    end
    if dry_run.empty?
      cmd = "git submodule update"
    else
      cmd = "git submodule update --no-fetch"
    end
    if EbmSharedLib::CL.do_cmd_result(cmd, repo_path) != 0
      raise "Updating submodules for #{repo_name} failed."
    end

  end

  if merge_failed
    raise "Automatic merge failed, you must hand merge the conflicts"
  end

end