From 2110aa95c4ad9474f5e1967986809d452b39139f Mon Sep 17 00:00:00 2001
From: Saku Ytti <saku@ytti.fi>
Date: Sun, 13 Jul 2014 13:56:20 +0300
Subject: Change from grit to rugged

a) grit is not supported, rugged is
b) grit requires git CLI installed, rugged does not
c) grit needs monkey patching to work, rugged does not

Closes #21
Closes #22
---
 lib/oxidized/config/vars.rb |  3 +--
 lib/oxidized/fix/grit.rb    | 18 ----------------
 lib/oxidized/model/ios.rb   |  2 +-
 lib/oxidized/output/git.rb  | 51 ++++++++++++++++++++++++---------------------
 4 files changed, 29 insertions(+), 45 deletions(-)
 delete mode 100644 lib/oxidized/fix/grit.rb

diff --git a/lib/oxidized/config/vars.rb b/lib/oxidized/config/vars.rb
index 0d6aaa7..40e4808 100644
--- a/lib/oxidized/config/vars.rb
+++ b/lib/oxidized/config/vars.rb
@@ -4,7 +4,6 @@ module Oxidized::Config::Vars
   def vars name
     r =   @node.vars[name] unless @node.vars.nil?
     r ||= Oxidized::CFG.groups[@node.group].vars[name.to_s] if Oxidized::CFG.groups.has_key?(@node.group)
-    r ||= Oxidized::CFG.vars[name.to_s]
+    r ||= Oxidized::CFG.vars[name.to_s] if Oxidized::CFG.vars.has_key?(name)
   end
 end
-
diff --git a/lib/oxidized/fix/grit.rb b/lib/oxidized/fix/grit.rb
deleted file mode 100644
index 49be76b..0000000
--- a/lib/oxidized/fix/grit.rb
+++ /dev/null
@@ -1,18 +0,0 @@
-Object.send :remove_const, :PACK_IDX_SIGNATURE
-PACK_IDX_SIGNATURE = "\377tOc".b
-
-class String
-  if self.method_defined?(:ord)
-    def getord(offset); self[offset].ord; end
-  else
-    alias :getord :[]
-  end
-
-  unless self.method_defined?(:b)
-    if self.method_defined?(:force_encoding)
-      def b; self.dup.force_encoding(Encoding::ASCII_8BIT); end
-    else
-      def b; self.dup; end
-    end
-  end
-end
diff --git a/lib/oxidized/model/ios.rb b/lib/oxidized/model/ios.rb
index a9c2d3b..186c9e8 100644
--- a/lib/oxidized/model/ios.rb
+++ b/lib/oxidized/model/ios.rb
@@ -22,7 +22,7 @@ class IOS < Oxidized::Model
     cfg.each_line.to_a[1..-2].join
   end
 
-  cmd :secret do |cfg| 
+  cmd :secret do |cfg|
     cfg.gsub! /^(snmp-server community).*/, '\\1 <configuration removed>'
     cfg.gsub! /username (\S+) privilege (\d+) (\S+).*/, '<secret hidden>'
     cfg
diff --git a/lib/oxidized/output/git.rb b/lib/oxidized/output/git.rb
index 70dd30f..848608f 100644
--- a/lib/oxidized/output/git.rb
+++ b/lib/oxidized/output/git.rb
@@ -1,12 +1,10 @@
 module Oxidized
 class Git < Output
   begin
-    require 'grit'
+    require 'rugged'
   rescue LoadError
-    raise OxidizedError, 'grit not found: sudo gem install grit'
+    raise OxidizedError, 'rugged not found: sudo gem install rugged'
   end
-  require 'oxidized/fix/grit' if RUBY_VERSION[0..1] == '2.'
-  include Grit
 
   def initialize
     @cfg = CFG.output.git
@@ -31,14 +29,11 @@ class Git < Output
       repo = File.join File.dirname(repo), opt[:group] + '.git'
     end
     begin
-      repo = Repo.new repo
-      actor = Actor.new user, email
-      update_repo repo, file, data, msg, actor
-    rescue Grit::NoSuchPathError
-      Repo.init_bare repo
+      repo = Rugged::Repository.new repo
+      update_repo repo, file, data, msg, user, email
+    rescue Rugged::OSError, Rugged::RepositoryError
+      Rugged::Repository.init_at repo, :bare
       retry
-    rescue Grit::Git::GitTimeout
-      Log.error "git timeout for #{file}"
     end
   end
 
@@ -48,8 +43,10 @@ class Git < Output
       if group
         repo = File.join File.dirname(repo), group + '.git'
       end
-      repo = Repo.new(repo)
-      (repo.tree / node).data
+      repo = Rugged::Repository.new repo
+      index = repo.index
+      index.read_tree repo.head.target.tree unless repo.empty?
+      repo.read(index.get(node)[:oid]).data
     rescue
       'node not found'
     end
@@ -57,17 +54,23 @@ class Git < Output
 
   private
 
-  def update_repo repo, file, data, msg, actor
-    index  = repo.index
-    index.read_tree 'master'
-    old = index.write_tree index.tree, index.current_tree
-    index.add file, data
-    new = index.write_tree index.tree, index.current_tree
-    if old != new
-      parent = repo.commits(nil, 1).first
-      parent = [parent] if parent
-      Log.debug "GIT: comitting #{file}"
-      index.commit msg, parent, actor
+  def update_repo repo, file, data, msg, user, email
+    oid = repo.write data, :blob
+    index = repo.index
+    index.read_tree repo.head.target.tree unless repo.empty?
+
+    tree_old = index.write_tree repo
+    index.add :path=>file, :oid=>oid, :mode=>0100644
+    tree_new = index.write_tree repo
+
+    if tree_old != tree_new
+      Rugged::Commit.create(repo,
+        :tree       => index.write_tree(repo),
+        :message    => msg,
+        :parents    => repo.empty? ? [] : [repo.head.target].compact,
+        :update_ref => 'HEAD',
+        :author     => {:name=>user, :email=>email, :time=>Time.now.utc}
+      )
     end
   end
 end
-- 
cgit v1.2.1