scm: bazaar: refactor adapter annotate to use scm_cmd().

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5912 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redmine/scm/adapters/bazaar_adapter.rb

@@ -199,11 +199,11 @@ module Redmine
         end
 
         def annotate(path, identifier=nil)
-          cmd = "#{self.class.sq_bin} annotate --all"
-          cmd << " -r#{identifier.to_i}" if identifier && identifier.to_i > 0
-          cmd << " #{target(path)}"
           blame = Annotate.new
-          shellout(cmd) do |io|
+          cmd_args = %w|annotate --all|
+          cmd_args << "-r#{identifier.to_i}" if identifier && identifier.to_i > 0
+          cmd_args << bzr_target(path)
+          scm_cmd(*cmd_args) do |io|
             author     = nil
             identifier = nil
             io.each_line do |line|
@@ -217,8 +217,9 @@ module Redmine
                   ))
             end
           end
-          return nil if $? && $?.exitstatus != 0
           blame
+        rescue ScmCommandAborted
+          return nil
         end
 
         def self.branch_conf_path(path)