Fix repository browsing at given revision for various scm and add tests for this.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1329 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/repositories_controller.rb

@@ -51,8 +51,8 @@ class RepositoriesController < ApplicationController
   def show
     # check if new revisions have been committed in the repository
     @repository.fetch_changesets if Setting.autofetch_changesets?
-    # get entries for the browse frame
-    @entries = @repository.entries('')    
+    # root entries
+    @entries = @repository.entries('', @rev)    
     # latest changesets
     @changesets = @repository.changesets.find(:all, :limit => 10, :order => "committed_on DESC")
     show_error_not_found unless @entries || @changesets.any?

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

app/models/repository/darcs.rb

@@ -29,7 +29,8 @@ class Repository::Darcs < Repository
   end
   
   def entries(path=nil, identifier=nil)
-    entries=scm.entries(path, identifier)
+    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