From 9a85d4d063e370c5b058328d62d39794f968c90f Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Sun, 28 Feb 2010 12:09:09 +0000
Subject: [PATCH] Fixed: Git blame/annotate fails on moved files (#3832).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3513 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 lib/redmine/scm/adapters/git_adapter.rb | 15 ++++++++++++---
 test/unit/git_adapter_test.rb           | 14 ++++++++++++++
 2 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/lib/redmine/scm/adapters/git_adapter.rb b/lib/redmine/scm/adapters/git_adapter.rb
index 75a33a05..ae619e03 100644
--- a/lib/redmine/scm/adapters/git_adapter.rb
+++ b/lib/redmine/scm/adapters/git_adapter.rb
@@ -227,16 +227,25 @@ module Redmine
         
         def annotate(path, identifier=nil)
           identifier = 'HEAD' if identifier.blank?
-          cmd = "#{GIT_BIN} --git-dir #{target('')} blame -l #{shell_quote identifier} -- #{shell_quote path}"
+          cmd = "#{GIT_BIN} --git-dir #{target('')} blame -p #{shell_quote identifier} -- #{shell_quote path}"
           blame = Annotate.new
           content = nil
           shellout(cmd) { |io| io.binmode; content = io.read }
           return nil if $? && $?.exitstatus != 0
           # git annotates binary files
           return nil if content.is_binary_data?
+          identifier = ''
+          author = ''
           content.split("\n").each do |line|
-            next unless line =~ /([0-9a-f]{39,40})\s\((\w*)[^\)]*\)(.*)/
-            blame.add_line($3.rstrip, Revision.new(:identifier => $1, :author => $2.strip))
+            if line =~ /^([0-9a-f]{39,40})\s.*/
+              identifier = $1
+            elsif line =~ /^author (.+)/
+              author = $1.strip
+            elsif line =~ /^\t(.*)/
+              blame.add_line($1, Revision.new(:identifier => identifier, :author => author))
+              identifier = ''
+              author = ''
+            end
           end
           blame
         end
diff --git a/test/unit/git_adapter_test.rb b/test/unit/git_adapter_test.rb
index 9ab25c15..b75606d6 100644
--- a/test/unit/git_adapter_test.rb
+++ b/test/unit/git_adapter_test.rb
@@ -15,6 +15,20 @@ class GitAdapterTest < ActiveSupport::TestCase
     def test_getting_all_revisions
       assert_equal 12, @adapter.revisions('',nil,nil,:all => true).length
     end
+    
+    def test_annotate
+      annotate = @adapter.annotate('sources/watchers_controller.rb')
+      assert_kind_of Redmine::Scm::Adapters::Annotate, annotate
+      assert_equal 41, annotate.lines.size
+    end
+    
+    def test_annotate_moved_file
+      annotate = @adapter.annotate('renamed_test.txt')
+      assert_kind_of Redmine::Scm::Adapters::Annotate, annotate
+      assert_equal 2, annotate.lines.size
+      assert_equal "Let's pretend I'm adding a new feature!", annotate.lines.second
+      assert_equal "7e61ac704deecde634b51e59daa8110435dcb3da", annotate.revisions.second.identifier
+    end
   else
     puts "Git test repository NOT FOUND. Skipping unit tests !!!"
     def test_fake; assert true end