Add Repository::log_at method

Convenient shortcut for browsing commit log

Author: Voker57

lib/rugged/repository.rb

@@ -250,6 +250,24 @@ def blob_at(revision, path)
  (blob.type == :blob) ? blob : nil
  end
 
+ # Get log at path for specified object
+ #
+ # obj - Object in question
+ # path - The String file path.
+ #
+ # Returns an Array of Rugged::Commit objects
+ def log_at(obj, path)
+ walker = Rugged::Walker.new(self)
+ walker.sorting(Rugged::SORT_DATE)
+ walker.push(obj)
+ en = Enumerator.new do |y|
+ walker.each do |commit|
+ y << commit if commit.diff(paths: [path]).size > 0
+ end
+ end
+ return en
+ end
+
  def fetch(remote_or_url, *args)
  unless remote_or_url.kind_of? Remote
  remote_or_url = remotes[remote_or_url] || remotes.create_anonymous(remote_or_url)