fixes

config.ru

@@ -38,7 +38,7 @@ Olelo::Config.instance.load(ENV['OLELO_CONFIG'] || ENV['WIKI_CONFIG'] || ::File.
 Olelo::Config.instance.freeze
 
 FileUtils.mkpath ::File.dirname(Olelo::Config['log.file'])
-logger = ::Logger.new(Olelo::Config['log.file'], 25, 1024000)
+logger = ::Logger.new(Olelo::Config['log.file'], :monthly, 1024000)
 logger.level = ::Logger.const_get(Olelo::Config['log.level'])
 
 use_lint if !Olelo::Config['production']

plugins/repositories/rugged/main.rb

@@ -134,7 +134,7 @@ class Transaction
     def initialize(git)
       @git = git
       @head = @git.head.target
-      @tree = Tree.new(@git, @head.tree)
+      @tree = Tree.new(@git, @git.lookup(@head).tree_oid)
     end
   end
 
@@ -195,7 +195,7 @@ def delete(path)
 
   def commit(comment)
     user = User.current
-    raise 'Concurrent transactions' current_transaction.head != @git.head.target
+    raise 'Concurrent transactions' if current_transaction.head != @git.head.target
 
     author = {:email => user.email, :name => user.name, :time => Time.now }
     commit = Rugged::Commit.create(@git,
@@ -205,7 +205,7 @@ def commit(comment)
                                    :parents => [current_transaction.head],
                                    :tree => current_tree.save)
 
-    raise 'Concurrent transactions' current_transaction.head != @git.head.target
+    raise 'Concurrent transactions' if current_transaction.head != @git.head.target
     @git.head.target = commit
 
     commit_to_version(@git.lookup(commit))

plugins/utils/pygments.rb

@@ -38,7 +38,7 @@ def self.setup
         $1.split(', ').each {|s| @patterns[s] = format.first }
       end
     end
-  rescue Exception => ex
+  rescue Errno::ENOENT => ex
     Olelo.logger.warn 'pygmentize not found'
   end
 end