Added Annotate/Blame view for Subversion, CVS and Mercurial repositories.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@947 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redmine.rb

@@ -76,7 +76,7 @@ Redmine::AccessControl.map do |map|
     
   map.project_module :repository do |map|
     map.permission :manage_repository, {:repositories => [:edit, :destroy]}, :require => :member
-    map.permission :browse_repository, :repositories => [:show, :browse, :entry, :changes, :diff, :stats, :graph]
+    map.permission :browse_repository, :repositories => [:show, :browse, :entry, :annotate, :changes, :diff, :stats, :graph]
     map.permission :view_changesets, :repositories => [:show, :revisions, :revision]
   end
 

lib/redmine/scm/adapters/abstract_adapter.rb

@@ -38,6 +38,10 @@ module Redmine
         def supports_cat?
           true
         end
+
+        def supports_annotate?
+          respond_to?('annotate')
+        end
         
         def root_url
           @root_url
@@ -76,7 +80,7 @@ module Redmine
         def cat(path, identifier=nil)
           return nil
         end
-
+        
         def with_leading_slash(path)
           path ||= ''
           (path[0,1]!="/") ? "/#{path}" : path
@@ -237,7 +241,7 @@ module Redmine
     
         # Initialize with a Diff file and the type of Diff View
         # The type view must be inline or sbs (side_by_side)
-        def initialize (type="inline")
+        def initialize(type="inline")
           @parsing = false
           @nb_line = 1
           @start = false
@@ -312,7 +316,7 @@ module Redmine
             CGI.escapeHTML(line)
         end
     
-        def parse_line (line, type="inline")
+        def parse_line(line, type="inline")
           if line[0, 1] == "+"
             diff = sbs? type, 'add'
             @before = 'add'
@@ -348,6 +352,28 @@ module Redmine
           end
         end
       end
+    
+      class Annotate
+        attr_reader :lines, :revisions
+        
+        def initialize
+          @lines = []
+          @revisions = []
+        end
+        
+        def add_line(line, revision)
+          @lines << line
+          @revisions << revision
+        end
+        
+        def content
+          content = lines.join("\n")
+        end
+        
+        def empty?
+          lines.empty?
+        end
+      end
     end
   end
 end

lib/redmine/scm/adapters/cvs_adapter.rb

@@ -268,7 +268,25 @@ module Redmine
         rescue Errno::ENOENT => e
           raise CommandFailed    
         end  
-        
+
+        def annotate(path, identifier=nil)
+          identifier = (identifier) ? identifier : "HEAD"
+          logger.debug "<cvs> annotate path:'#{path}',identifier #{identifier}"
+          path_with_project="#{url}#{with_leading_slash(path)}"
+          cmd = "#{CVS_BIN} -d #{root_url} rannotate -r#{identifier} #{path_with_project}"
+          blame = Annotate.new
+          shellout(cmd) do |io|
+            io.each_line do |line|
+              next unless line =~ %r{^([\d\.]+)\s+\(([^\)]+)\s+[^\)]+\):\s(.*)$}
+              blame.add_line($3.rstrip, Revision.new(:revision => $1, :author => $2.strip))
+            end
+          end
+          return nil if $? && $?.exitstatus != 0
+          blame
+        rescue Errno::ENOENT => e
+          raise CommandFailed    
+        end
+         
         private
 
         # convert a date/time into the CVS-format

lib/redmine/scm/adapters/mercurial_adapter.rb

@@ -157,6 +157,25 @@ module Redmine
         rescue Errno::ENOENT => e
           raise CommandFailed
         end
+        
+        def annotate(path, identifier=nil)
+          path ||= ''
+          cmd = "#{HG_BIN} -R #{target('')}"
+          cmd << " annotate -n -u"
+          cmd << " -r #{identifier.to_i}" if identifier
+          cmd << " #{target(path)}"
+          blame = Annotate.new
+          shellout(cmd) do |io|
+            io.each_line do |line|
+              next unless line =~ %r{^([^:]+)\s(\d+):(.*)$}
+              blame.add_line($3.rstrip, Revision.new(:identifier => $2.to_i, :author => $1.strip))
+            end
+          end
+          return nil if $? && $?.exitstatus != 0
+          blame
+        rescue Errno::ENOENT => e
+          raise CommandFailed
+        end
       end
     end
   end

lib/redmine/scm/adapters/subversion_adapter.rb

@@ -173,6 +173,23 @@ module Redmine
           raise CommandFailed    
         end
         
+        def annotate(path, identifier=nil)
+          identifier = (identifier and identifier.to_i > 0) ? identifier.to_i : "HEAD"
+          cmd = "#{SVN_BIN} blame #{target(path)}@#{identifier}"
+          cmd << credentials_string
+          blame = Annotate.new
+          shellout(cmd) do |io|
+            io.each_line do |line|
+              next unless line =~ %r{^\s*(\d+)\s*(\S+)\s(.*)$}
+              blame.add_line($3.rstrip, Revision.new(:identifier => $1.to_i, :author => $2.strip))
+            end
+          end
+          return nil if $? && $?.exitstatus != 0
+          blame
+        rescue Errno::ENOENT => e
+          raise CommandFailed
+        end
+        
         private
         
         def credentials_string