1  # Redmine - project management software
   2  # Copyright (C) 2006-2011  Jean-Philippe Lang
   3  #
   4  # This program is free software; you can redistribute it and/or
   5  # modify it under the terms of the GNU General Public License
   6  # as published by the Free Software Foundation; either version 2
   7  # of the License, or (at your option) any later version.
   8  #
   9  # This program is distributed in the hope that it will be useful,
  10  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  # GNU General Public License for more details.
  13  #
  14  # You should have received a copy of the GNU General Public License
  15  # along with this program; if not, write to the Free Software
  16  # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17 
  18  require 'redmine/scm/adapters/darcs_adapter'
  19 
  20  class Repository::Darcs < Repository
  21    validates_presence_of :url, :log_encoding
  22 
  23    def self.human_attribute_name(attribute_key_name, *args)
  24      attr_name = attribute_key_name.to_s
  25      if attr_name == "url"
  26        attr_name = "path_to_repository"
  27      end
  28      super(attr_name, *args)
  29    end
  30 
  31    def self.scm_adapter_class
  32      Redmine::Scm::Adapters::DarcsAdapter
  33    end
  34 
  35    def self.scm_name
  36      'Darcs'
  37    end
  38 
  39    def supports_directory_revisions?
  40      true
  41    end
  42 
  43    def entry(path=nil, identifier=nil)
  44      patch = identifier.nil? ? nil : changesets.find_by_revision(identifier)
  45      scm.entry(path, patch.nil? ? nil : patch.scmid)
  46    end
  47 
  48    def entries(path=nil, identifier=nil)
  49      patch = nil
  50      if ! identifier.nil?
  51        patch = changesets.find_by_revision(identifier)
  52        return nil if patch.nil?
  53      end
  54      entries = scm.entries(path, patch.nil? ? nil : patch.scmid)
  55      if entries
  56        entries.each do |entry|
  57          # Search the DB for the entry's last change
  58          if entry.lastrev && !entry.lastrev.scmid.blank?
  59            changeset = changesets.find_by_scmid(entry.lastrev.scmid)
  60          end
  61          if changeset
  62            entry.lastrev.identifier = changeset.revision
  63            entry.lastrev.name       = changeset.revision
  64            entry.lastrev.time       = changeset.committed_on
  65            entry.lastrev.author     = changeset.committer
  66          end
  67        end
  68      end
  69      entries
  70    end
  71 
  72    def cat(path, identifier=nil)
  73      patch = identifier.nil? ? nil : changesets.find_by_revision(identifier.to_s)
  74      scm.cat(path, patch.nil? ? nil : patch.scmid)
  75    end
  76 
  77    def diff(path, rev, rev_to)
  78      patch_from = changesets.find_by_revision(rev)
  79      return nil if patch_from.nil?
  80      patch_to = changesets.find_by_revision(rev_to) if rev_to
  81      if path.blank?
  82        path = patch_from.changes.collect{|change| change.path}.join(' ')
  83      end
  84      patch_from ? scm.diff(path, patch_from.scmid, patch_to ? patch_to.scmid : nil) : nil
  85    end
  86 
  87    def fetch_changesets
  88      scm_info = scm.info
  89      if scm_info
  90        db_last_id = latest_changeset ? latest_changeset.scmid : nil
  91        next_rev   = latest_changeset ? latest_changeset.revision.to_i + 1 : 1
  92        # latest revision in the repository
  93        scm_revision = scm_info.lastrev.scmid
  94        unless changesets.find_by_scmid(scm_revision)
  95          revisions = scm.revisions('', db_last_id, nil, :with_path => true)
  96          transaction do
  97            revisions.reverse_each do |revision|
  98              changeset = Changeset.create(:repository   => self,
  99                                           :revision     => next_rev,
 100                                           :scmid        => revision.scmid,
 101                                           :committer    => revision.author,
 102                                           :committed_on => revision.time,
 103                                           :comments     => revision.message)
 104              revision.paths.each do |change|
 105                changeset.create_change(change)
 106              end
 107              next_rev += 1
 108            end if revisions
 109          end
 110        end
 111      end
 112    end
 113  end