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

lib/redmine/scm/adapters/cvs_adapter.rb

@@ -72,7 +72,9 @@ module Redmine
           logger.debug "<cvs> entries '#{path}' with identifier '#{identifier}'"
           path_with_project="#{url}#{with_leading_slash(path)}"
           entries = Entries.new
-          cmd = "#{CVS_BIN} -d #{root_url} rls -ed #{path_with_project}"
+          cmd = "#{CVS_BIN} -d #{root_url} rls -ed"
+          cmd << " -D \"#{time_to_cvstime(identifier)}\"" if identifier
+          cmd << " #{path_with_project}"
           shellout(cmd) do |io|
             io.each_line(){|line|
               fields=line.chop.split('/',-1)

lib/redmine/scm/adapters/darcs_adapter.rb

@@ -53,7 +53,9 @@ module Redmine
           path_prefix = (path.blank? ? '' : "#{path}/")
           path = '.' if path.blank?
           entries = Entries.new          
-          cmd = "#{DARCS_BIN} annotate --repodir #{@url} --xml-output #{path}"
+          cmd = "#{DARCS_BIN} annotate --repodir #{@url} --xml-output"
+          cmd << " --match \"hash #{identifier}\"" if identifier
+          cmd << " #{path}"
           shellout(cmd) do |io|
             begin
               doc = REXML::Document.new(io)

lib/redmine/scm/adapters/git_adapter.rb

@@ -79,7 +79,7 @@ module Redmine
             rev = Revision.new({:identifier => changeset[:commit],
                                 :scmid => changeset[:commit],
                                 :author => changeset[:author],
-                                :time => Time.parse(changeset[:date]),
+                                :time => (changeset[:date] ? Time.parse(changeset[:date]) : nil),
                                 :message => changeset[:description],
                                 :paths => files
                                })