Extend changes.path and changes.from_path to support longer paths. #5771

Long paths to SCM files would be truncated or wouldn't insert into some
databases.  This extends those fields to support arbitrary length filenames.

Contributed by Holger Just

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3828 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/repository_git_test.rb

@@ -34,8 +34,8 @@ class RepositoryGitTest < ActiveSupport::TestCase
       @repository.fetch_changesets
       @repository.reload
       
-      assert_equal 12, @repository.changesets.count
-      assert_equal 21, @repository.changes.count
+      assert_equal 13, @repository.changesets.count
+      assert_equal 22, @repository.changes.count
       
       commit = @repository.changesets.find(:first, :order => 'committed_on ASC')
       assert_equal "Initial import.\nThe repository contains 3 files.", commit.comments
@@ -57,10 +57,10 @@ class RepositoryGitTest < ActiveSupport::TestCase
       # Remove the 3 latest changesets
       @repository.changesets.find(:all, :order => 'committed_on DESC', :limit => 3).each(&:destroy)
       @repository.reload
-      assert_equal 9, @repository.changesets.count
+      assert_equal 10, @repository.changesets.count
       
       @repository.fetch_changesets
-      assert_equal 12, @repository.changesets.count
+      assert_equal 13, @repository.changesets.count
     end
   else
     puts "Git test repository NOT FOUND. Skipping unit tests !!!"