Class: Capistrano::Deploy::SCM::Subversion

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

Overview

Implements the Capistrano SCM interface for the Subversion revision control system (subversion.tigris.org).

Instance Attribute Summary

Attributes inherited from Base

#configuration

Instance Method Summary collapse

Methods inherited from Base

#command, default_command, #initialize, #local, #local?, #scm

Constructor Details

This class inherits a constructor from Capistrano::Deploy::SCM::Base

Instance Method Details

#checkout(revision, destination) ⇒ Object

Returns the command that will check out the given revision to the given destination.



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# File 'lib/capistrano/recipes/deploy/scm/subversion.rb', line 23

def checkout(revision, destination)
  scm :checkout, arguments, arguments(:checkout), verbose, authentication, "-r#{revision}", repository, destination
end

#diff(from, to = nil) ⇒ Object

Returns the command that will do an “svn diff” for the two revisions.



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# File 'lib/capistrano/recipes/deploy/scm/subversion.rb', line 40

def diff(from, to=nil)
  scm :diff, repository, arguments(:diff), authentication, "-r#{from}:#{to || head}"
end

#export(revision, destination) ⇒ Object

Returns the command that will do an “svn export” of the given revision to the given destination.



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# File 'lib/capistrano/recipes/deploy/scm/subversion.rb', line 35

def export(revision, destination)
  scm :export, arguments, arguments(:export), verbose, authentication, "-r#{revision}", repository, destination
end

#handle_data(state, stream, text) ⇒ Object

Determines what the response should be for a particular bit of text from the SCM. Password prompts, connection requests, passphrases, etc. are handled here.



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# File 'lib/capistrano/recipes/deploy/scm/subversion.rb', line 70

def handle_data(state, stream, text)
  host = state[:channel][:host]
  logger.info "[#{host} :: #{stream}] #{text}"
  case text
  when /\bpassword.*:/i
    # subversion is prompting for a password
    "#{scm_password_prompt}\n"
  when %r{\(yes/no\)}
    # subversion is asking whether or not to connect
    "yes\n"
  when /passphrase/i
    # subversion is asking for the passphrase for the user's key
    "#{variable(:scm_passphrase)}\n"
  when /The entry \'(.+?)\' is no longer a directory/
    raise Capistrano::Error, "subversion can't update because directory '#{$1}' was replaced. Please add it to svn:ignore."
  when /accept \(t\)emporarily/
    # subversion is asking whether to accept the certificate
    "t\n"
  end
end

#head ⇒ Object

Subversion understands ‘HEAD’ to refer to the latest revision in the repository.



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# File 'lib/capistrano/recipes/deploy/scm/subversion.rb', line 17

def head
  "HEAD"
end

#log(from, to = nil) ⇒ Object

Returns an “svn log” command for the two revisions.



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# File 'lib/capistrano/recipes/deploy/scm/subversion.rb', line 45

def log(from, to=nil)
  scm :log, repository, arguments(:log), authentication, "-r#{from}:#{to || head}"
end

#next_revision(revision) ⇒ Object

Increments the given revision number and returns it.



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# File 'lib/capistrano/recipes/deploy/scm/subversion.rb', line 63

def next_revision(revision)
  revision.to_i + 1
end

#query_revision(revision) ⇒ Object

Attempts to translate the given revision identifier to a “real” revision. If the identifier is an integer, it will simply be returned. Otherwise, this will yield a string of the commands it needs to be executed (svn info), and will extract the revision from the response.



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# File 'lib/capistrano/recipes/deploy/scm/subversion.rb', line 53

def query_revision(revision)
  return revision if revision =~ /^\d+$/
  command = scm(:info, arguments, arguments(:info), repository, authentication, "-r#{revision}")
  result = yield(command)
  yaml = YAML.load(result)
  raise "tried to run `#{command}' and got unexpected result #{result.inspect}" unless Hash === yaml
  [ (yaml['Last Changed Rev'] || 0).to_i, (yaml['Revision'] || 0).to_i ].max
end

#sync(revision, destination) ⇒ Object

Returns the command that will do an “svn update” to the given revision, for the working copy at the given destination.



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# File 'lib/capistrano/recipes/deploy/scm/subversion.rb', line 29

def sync(revision, destination)
  scm :switch, arguments, verbose, authentication, "-r#{revision}", repository, destination
end