comparison app/models/repository/darcs.rb @ 0:513646585e45

* Import Redmine trunk SVN rev 3859

+# redMine - project management software
+# Copyright (C) 2006-2007  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+require 'redmine/scm/adapters/darcs_adapter'
+
+class Repository::Darcs < Repository
+  validates_presence_of :url
+
+  def scm_adapter
+    Redmine::Scm::Adapters::DarcsAdapter
+  end
+  
+  def self.scm_name
+    'Darcs'
+  end
+  
+  def entry(path=nil, identifier=nil)
+    patch = identifier.nil? ? nil : changesets.find_by_revision(identifier)
+    scm.entry(path, patch.nil? ? nil : patch.scmid)
+  end
+  
+  def entries(path=nil, identifier=nil)
+    patch = identifier.nil? ? nil : changesets.find_by_revision(identifier)
+    entries = scm.entries(path, patch.nil? ? nil : patch.scmid)
+    if entries
+      entries.each do |entry|
+        # Search the DB for the entry's last change
+        changeset = changesets.find_by_scmid(entry.lastrev.scmid) if entry.lastrev && !entry.lastrev.scmid.blank?
+        if changeset
+          entry.lastrev.identifier = changeset.revision
+          entry.lastrev.name = changeset.revision
+          entry.lastrev.time = changeset.committed_on
+          entry.lastrev.author = changeset.committer
+        end
+      end
+    end
+    entries
+  end
+  
+  def cat(path, identifier=nil)
+    patch = identifier.nil? ? nil : changesets.find_by_revision(identifier.to_s)
+    scm.cat(path, patch.nil? ? nil : patch.scmid)
+  end
+  
+  def diff(path, rev, rev_to)
+    patch_from = changesets.find_by_revision(rev)
+    return nil if patch_from.nil?
+    patch_to = changesets.find_by_revision(rev_to) if rev_to
+    if path.blank?
+      path = patch_from.changes.collect{|change| change.path}.join(' ')
+    end
+    patch_from ? scm.diff(path, patch_from.scmid, patch_to ? patch_to.scmid : nil) : nil
+  end
+  
+  def fetch_changesets
+    scm_info = scm.info
+    if scm_info
+      db_last_id = latest_changeset ? latest_changeset.scmid : nil
+      next_rev = latest_changeset ? latest_changeset.revision.to_i + 1 : 1      
+      # latest revision in the repository
+      scm_revision = scm_info.lastrev.scmid      
+      unless changesets.find_by_scmid(scm_revision)
+        revisions = scm.revisions('', db_last_id, nil, :with_path => true)
+        transaction do
+          revisions.reverse_each do |revision|
+            changeset = Changeset.create(:repository => self,
+                                         :revision => next_rev,
+                                         :scmid => revision.scmid,
+                                         :committer => revision.author, 
+                                         :committed_on => revision.time,
+                                         :comments => revision.message)
+                                         
+            revision.paths.each do |change|
+              changeset.create_change(change)
+            end
+            next_rev += 1
+          end if revisions
+        end
+      end
+    end
+  end
+end