Class: Capistrano::Deploy::SCM::Git

Inherits:
Base
  • Object
show all
Defined in:
lib/capistrano/recipes/deploy/scm/git-enhanced.rb

Instance Method Summary collapse

Instance Method Details

#sync(revision, destination) ⇒ Object

Merges the changes to ‘head’ since the last fetch, for remote_cache deployment strategy



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# File 'lib/capistrano/recipes/deploy/scm/git-enhanced.rb', line 10

def sync(revision, destination)
  git     = command
  remote  = origin

  execute = []
  execute << "cd #{destination}"

  # Use git-config to setup a remote tracking branches. Could use
  # git-remote but it complains when a remote of the same name already
  # exists, git-config will just silenty overwrite the setting every
  # time. This could cause wierd-ness in the remote cache if the url
  # changes between calls, but as long as the repositories are all
  # based from each other it should still work fine.
  #
  # Since it's even worse to have the URL be out of date
  # than it is to set it too many times, set it every time
  # even for origin.
  execute << "#{git} config remote.#{remote}.url #{variable(:repository)}"
  execute << "#{git} config remote.#{remote}.fetch +refs/heads/*:refs/remotes/#{remote}/*"

  # since we're in a local branch already, just reset to specified revision rather than merge
  execute << "#{git} fetch #{verbose} #{remote} && #{git} fetch --tags #{verbose} #{remote} && #{git} reset #{verbose} --hard #{revision}"

  if variable(:git_enable_submodules)
    execute << "#{git} submodule #{verbose} init"
    execute << "#{git} submodule #{verbose} sync"
    if false == variable(:git_submodules_recursive)
      execute << "#{git} submodule #{verbose} update --init"
    else
      execute << %Q(export GIT_RECURSIVE=$([ ! "`#{git} --version`" \\< "git version 1.6.5" ] && echo --recursive))
      execute << "#{git} submodule #{verbose} update --init $GIT_RECURSIVE"
    end
  end

  # Make sure there's nothing else lying around in the repository (for
  # example, a submodule that has subsequently been removed).
  execute << "#{git} clean #{verbose} -d -x -f -f"

  if variable(:git_enable_submodules)
    execute << "#{git} submodule #{verbose} foreach $GIT_RECURSIVE #{git} clean #{verbose} -d -x -f -f"
  end
  execute.join(" && ")
end