Merged r1307 to r1369 from trunk.

git-svn-id: http://redmine.rubyforge.org/svn/branches/0.7-stable@1370 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/repository/cvs.rb

@@ -35,7 +35,8 @@ class Repository::Cvs < Repository
   end
   
   def entries(path=nil, identifier=nil)
-    entries=scm.entries(path, identifier)
+    rev = identifier.nil? ? nil : changesets.find_by_revision(identifier)
+    entries = scm.entries(path, rev.nil? ? nil : rev.committed_on)
     if entries
       entries.each() do |entry|
         unless entry.lastrev.nil? || entry.lastrev.identifier
@@ -137,12 +138,18 @@ class Repository::Cvs < Repository
       end
       
       # Renumber new changesets in chronological order
-      c = changesets.find(:first, :order => 'committed_on DESC, id DESC', :conditions => "revision NOT LIKE '_%'")
-      next_rev = c.nil? ? 1 : (c.revision.to_i + 1)
       changesets.find(:all, :order => 'committed_on ASC, id ASC', :conditions => "revision LIKE '_%'").each do |changeset|
-        changeset.update_attribute :revision, next_rev
-        next_rev += 1
+        changeset.update_attribute :revision, next_revision_number
       end
     end # transaction
   end
+  
+  private
+  
+  # Returns the next revision number to assign to a CVS changeset
+  def next_revision_number
+    # Need to retrieve existing revision numbers to sort them as integers
+    @current_revision_number ||= (connection.select_values("SELECT revision FROM #{Changeset.table_name} WHERE repository_id = #{id} AND revision NOT LIKE '_%'").collect(&:to_i).max || 0)
+    @current_revision_number += 1
+  end
 end