git.rb

require_relative 'common.rb'

class Git

  def self.clone(repo, branch, dest_dir)

    exec_shell("git clone #{repo} --depth 1 -b #{branch} #{dest_dir}", "Can't clone repo: #{repo}")

    Dir.chdir dest_dir do
      exec_shell('git submodule init', "Can't init git submodules")
      exec_shell('git submodule update', "Can't update git submodules")
    end
  end

  def self.commit_and_push(repo, branch, files)

    Dir.chdir repo do
      files.each { |file|
        exec_shell %(git add "#{file}"), "Can't add file: #{file}"
      }
      exec_shell 'git commit -m "Project fixes: versions, copyrights, etc" --author "Space Cadet Stimpy <a.lementuev+cadet+stimpy@gmail.com>"', "Can't commit to git"
      exec_shell %(git push origin #{branch}), "Can't push to git"
    end

  end

  def self.git_merge(dir_repo, from_branch, to_branch, message = nil)
    message = %(Merged branch '#{from_branch}' into #{to_branch}) if message == nil
    Dir.chdir dir_repo do
      exec_shell(%(git branch #{to_branch} --force), "Can't switch a branch '#{to_branch}")
      exec_shell(%(git merge #{from_branch} -X ours -m "#{message}"), "Can't merge a branch")
      exec_shell("git push origin #{to_branch} --force", "Can't push branch to remote")
    end
  end

end