Rebased from master

5 files changed, 419 insertions, 428 deletions

diff --git a/lib/oxidized/output/file.rb b/lib/oxidized/output/file.rb
index 45f72e1..bad1b6a 100644
--- a/lib/oxidized/output/file.rb
+++ b/lib/oxidized/output/file.rb
@@ -1,59 +1,58 @@
 module Oxidized
-class OxidizedFile < Output
-  require 'fileutils'
+  class OxidizedFile < Output
+    require 'fileutils'
 
-  attr_reader :commitref
+    attr_reader :commitref
 
-  def initialize
-    @cfg = Oxidized.config.output.file
-  end
+    def initialize
+      @cfg = Oxidized.config.output.file
+    end
 
-  def setup
-    if @cfg.empty?
-      Oxidized.asetus.user.output.file.directory = File.join(Config::Root, 'configs')
-      Oxidized.asetus.save :user
-      raise NoConfig, 'no output file config, edit ~/.config/oxidized/config'
+    def setup
+      if @cfg.empty?
+        Oxidized.asetus.user.output.file.directory = File.join(Config::Root, 'configs')
+        Oxidized.asetus.save :user
+        raise NoConfig, 'no output file config, edit ~/.config/oxidized/config'
+      end
     end
-  end
 
-  def store node, outputs, opt={}
-    file = File.expand_path @cfg.directory
-    if opt[:group]
-      file = File.join File.dirname(file), opt[:group]
+    def store node, outputs, opt = {}
+      file = File.expand_path @cfg.directory
+      if opt[:group]
+        file = File.join File.dirname(file), opt[:group]
+      end
+      FileUtils.mkdir_p file
+      file = File.join file, node
+      open(file, 'w') { |fh| fh.write outputs.to_cfg }
+      @commitref = file
     end
-    FileUtils.mkdir_p file
-    file = File.join file, node
-    open(file, 'w') { |fh| fh.write outputs.to_cfg }
-    @commitref = file
-  end
 
-  def fetch node, group
-    cfg_dir   = File.expand_path @cfg.directory
-    node_name = node.name
+    def fetch node, group
+      cfg_dir   = File.expand_path @cfg.directory
+      node_name = node.name
 
-    if group # group is explicitly defined by user
-      cfg_dir = File.join File.dirname(cfg_dir), group
-      File.read File.join(cfg_dir, node_name)
-    else
-      if File.exists? File.join(cfg_dir, node_name) # node configuration file is stored on base directory
+      if group # group is explicitly defined by user
+        cfg_dir = File.join File.dirname(cfg_dir), group
         File.read File.join(cfg_dir, node_name)
       else
-        path = Dir.glob(File.join(File.dirname(cfg_dir), '**', node_name)).first # fetch node in all groups
-        File.read path
+        if File.exists? File.join(cfg_dir, node_name) # node configuration file is stored on base directory
+          File.read File.join(cfg_dir, node_name)
+        else
+          path = Dir.glob(File.join(File.dirname(cfg_dir), '**', node_name)).first # fetch node in all groups
+          File.read path
+        end
       end
+    rescue Errno::ENOENT
+      return nil
     end
-  rescue Errno::ENOENT
-    return nil
-  end
 
-  def version node, group
-    # not supported
-    []
-  end
+    def version node, group
+      # not supported
+      []
+    end
 
-  def get_version node, group, oid
-    'not supported'
+    def get_version node, group, oid
+      'not supported'
+    end
   end
-
-end
 end
diff --git a/lib/oxidized/output/git.rb b/lib/oxidized/output/git.rb
index fee0ab6..8acfd46 100644
--- a/lib/oxidized/output/git.rb
+++ b/lib/oxidized/output/git.rb
@@ -1,74 +1,73 @@
 module Oxidized
-class Git < Output
-  class GitError < OxidizedError; end
-  begin
-    require 'rugged'
-  rescue LoadError
-    raise OxidizedError, 'rugged not found: sudo gem install rugged'
-  end
-
-  attr_reader :commitref
+  class Git < Output
+    class GitError < OxidizedError; end
+    begin
+      require 'rugged'
+    rescue LoadError
+      raise OxidizedError, 'rugged not found: sudo gem install rugged'
+    end
 
-  def initialize
-    @cfg = Oxidized.config.output.git
-  end
+    attr_reader :commitref
 
-  def setup
-    if @cfg.empty?
-      Oxidized.asetus.user.output.git.user  = 'Oxidized'
-      Oxidized.asetus.user.output.git.email = 'o@example.com'
-      Oxidized.asetus.user.output.git.repo  =  File.join(Config::Root, 'oxidized.git')
-      Oxidized.asetus.save :user
-      raise NoConfig, 'no output git config, edit ~/.config/oxidized/config'
+    def initialize
+      @cfg = Oxidized.config.output.git
     end
 
-    if @cfg.repo.respond_to?(:each)
-      @cfg.repo.each do |group, repo|
-        @cfg.repo["#{group}="] = File.expand_path repo
+    def setup
+      if @cfg.empty?
+        Oxidized.asetus.user.output.git.user  = 'Oxidized'
+        Oxidized.asetus.user.output.git.email = 'o@example.com'
+        Oxidized.asetus.user.output.git.repo = File.join(Config::Root, 'oxidized.git')
+        Oxidized.asetus.save :user
+        raise NoConfig, 'no output git config, edit ~/.config/oxidized/config'
       end
-    else
-      @cfg.repo = File.expand_path @cfg.repo
-    end
-  end
 
-  def store file, outputs, opt={}
-    @msg   = opt[:msg]
-    @user  = (opt[:user]  or @cfg.user)
-    @email = (opt[:email] or @cfg.email)
-    @opt   = opt
-    @commitref = nil
-    repo   = @cfg.repo
-
-    outputs.types.each do |type|
-      type_cfg = ''
-      type_repo = File.join(File.dirname(repo), type + '.git')
-      outputs.type(type).each do |output|
-        (type_cfg << output; next) if not output.name
-        type_file = file + '--' + output.name
-        if @cfg.type_as_directory?
-          type_file = type + '/' + type_file
-          type_repo = repo
+      if @cfg.repo.respond_to?(:each)
+        @cfg.repo.each do |group, repo|
+          @cfg.repo["#{group}="] = File.expand_path repo
         end
-        update type_repo, type_file, output
+      else
+        @cfg.repo = File.expand_path @cfg.repo
       end
-      update type_repo, file, type_cfg
     end
 
-    update repo, file, outputs.to_cfg
-  end
+    def store file, outputs, opt = {}
+      @msg   = opt[:msg]
+      @user  = (opt[:user]  or @cfg.user)
+      @email = (opt[:email] or @cfg.email)
+      @opt   = opt
+      @commitref = nil
+      repo = @cfg.repo
+
+      outputs.types.each do |type|
+        type_cfg = ''
+        type_repo = File.join(File.dirname(repo), type + '.git')
+        outputs.type(type).each do |output|
+          (type_cfg << output; next) if not output.name
+          type_file = file + '--' + output.name
+          if @cfg.type_as_directory?
+            type_file = type + '/' + type_file
+            type_repo = repo
+          end
+          update type_repo, type_file, output
+        end
+        update type_repo, file, type_cfg
+      end
 
+      update repo, file, outputs.to_cfg
+    end
 
-  def fetch node, group
-    begin
-      repo, path = yield_repo_and_path(node, group)
-      repo = Rugged::Repository.new repo
-      index = repo.index
-      index.read_tree repo.head.target.tree unless repo.empty?
-      repo.read(index.get(path)[:oid]).data
-    rescue
-      'node not found'
+    def fetch node, group
+      begin
+        repo, path = yield_repo_and_path(node, group)
+        repo = Rugged::Repository.new repo
+        index = repo.index
+        index.read_tree repo.head.target.tree unless repo.empty?
+        repo.read(index.get(path)[:oid]).data
+      rescue
+        'node not found'
+      end
     end
-  end
 
     # give a hash of all oid revision for the given node, and the date of the commit
     def version node, group
@@ -80,7 +79,7 @@ class Git < Output
         walker.sorting(Rugged::SORT_DATE)
         walker.push(repo.head.target)
         i = -1
-        tab  = []
+        tab = []
         walker.each do |commit|
           if commit.diff(paths: [path]).size > 0
             hash = {}
@@ -98,18 +97,18 @@ class Git < Output
       end
     end
 
-    #give the blob of a specific revision
+    # give the blob of a specific revision
     def get_version node, group, oid
       begin
         repo, path = yield_repo_and_path(node, group)
         repo = Rugged::Repository.new repo
-        repo.blob_at(oid,path).content
+        repo.blob_at(oid, path).content
       rescue
         'version not found'
       end
     end
 
-    #give a hash with the patch of a diff between 2 revision and the stats (added and deleted lines)
+    # give a hash with the patch of a diff between 2 revision and the stats (added and deleted lines)
     def get_diff node, group, oid1, oid2
       begin
         diff_commits = nil
@@ -122,15 +121,15 @@ class Git < Output
           diff = repo.diff(commit_old, commit)
           diff.each do |patch|
             if /#{node.name}\s+/.match(patch.to_s.lines.first)
-              diff_commits = {:patch => patch.to_s, :stat => patch.stat}
+              diff_commits = { :patch => patch.to_s, :stat => patch.stat }
               break
             end
           end
         else
           stat = commit.parents[0].diff(commit).stat
-          stat = [stat[1],stat[2]]
+          stat = [stat[1], stat[2]]
           patch = commit.parents[0].diff(commit).patch
-          diff_commits = {:patch => patch, :stat => stat}
+          diff_commits = { :patch => patch, :stat => stat }
         end
 
         diff_commits
@@ -139,68 +138,67 @@ class Git < Output
       end
     end
 
-  private
+    private
 
-  def yield_repo_and_path(node, group)
-    repo, path = node.repo, node.name
+    def yield_repo_and_path(node, group)
+      repo, path = node.repo, node.name
 
-    if group and @cfg.single_repo?
-      path = "#{group}/#{node.name}"
-    end
+      if group and @cfg.single_repo?
+        path = "#{group}/#{node.name}"
+      end
 
-    [repo, path]
-  end
+      [repo, path]
+    end
 
-  def update repo, file, data
-    return if data.empty?
+    def update repo, file, data
+      return if data.empty?
 
-    if @opt[:group]
-      if @cfg.single_repo?
-        file = File.join @opt[:group], file
-      else
-        repo = if repo.is_a?(::String)
-                 File.join File.dirname(repo), @opt[:group] + '.git'
-               else
-                 repo[@opt[:group]]
-               end
+      if @opt[:group]
+        if @cfg.single_repo?
+          file = File.join @opt[:group], file
+        else
+          repo = if repo.is_a?(::String)
+                   File.join File.dirname(repo), @opt[:group] + '.git'
+                 else
+                   repo[@opt[:group]]
+                 end
+        end
       end
-    end
 
-    begin
-      repo = Rugged::Repository.new repo
-      update_repo repo, file, data, @msg, @user, @email
-    rescue Rugged::OSError, Rugged::RepositoryError => open_error
       begin
-        Rugged::Repository.init_at repo, :bare
-      rescue => create_error
-        raise GitError, "first '#{open_error.message}' was raised while opening git repo, then '#{create_error.message}' was while trying to create git repo"
+        repo = Rugged::Repository.new repo
+        update_repo repo, file, data, @msg, @user, @email
+      rescue Rugged::OSError, Rugged::RepositoryError => open_error
+        begin
+          Rugged::Repository.init_at repo, :bare
+        rescue => create_error
+          raise GitError, "first '#{open_error.message}' was raised while opening git repo, then '#{create_error.message}' was while trying to create git repo"
+        end
+        retry
       end
-      retry
     end
-  end
 
-  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
-      repo.config['user.name']  = user
-      repo.config['user.email'] = email
-      @commitref = Rugged::Commit.create(repo,
-        :tree       => index.write_tree(repo),
-        :message    => msg,
-        :parents    => repo.empty? ? [] : [repo.head.target].compact,
-        :update_ref => 'HEAD',
-      )
-
-      index.write
-      true
+    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
+        repo.config['user.name']  = user
+        repo.config['user.email'] = email
+        @commitref = Rugged::Commit.create(repo,
+                                           :tree       => index.write_tree(repo),
+                                           :message    => msg,
+                                           :parents    => repo.empty? ? [] : [repo.head.target].compact,
+                                           :update_ref => 'HEAD',)
+
+        index.write
+        true
+      end
     end
   end
 end
-end
diff --git a/lib/oxidized/output/gitcrypt.rb b/lib/oxidized/output/gitcrypt.rb
index b0d80f2..2da0179 100644
--- a/lib/oxidized/output/gitcrypt.rb
+++ b/lib/oxidized/output/gitcrypt.rb
@@ -1,244 +1,243 @@
 module Oxidized
-	class GitCrypt < Output
-		class GitCryptError < OxidizedError; end
-		begin
-			require 'git'
-		rescue LoadError
-			raise OxidizedError, 'git not found: sudo gem install ruby-git'
-		end
-
-		attr_reader :commitref
-
-		def initialize
-			@cfg = Oxidized.config.output.gitcrypt
-			@gitcrypt_cmd = "/usr/bin/git-crypt"
-			@gitcrypt_init = @gitcrypt_cmd + " init"
-			@gitcrypt_unlock = @gitcrypt_cmd + " unlock"
-			@gitcrypt_lock = @gitcrypt_cmd + " lock"
-			@gitcrypt_adduser = @gitcrypt_cmd + " add-gpg-user --trusted "
-		end
-
-		def setup
-			if @cfg.empty?
-				Oxidized.asetus.user.output.gitcrypt.user  = 'Oxidized'
-				Oxidized.asetus.user.output.gitcrypt.email = 'o@example.com'
-				Oxidized.asetus.user.output.gitcrypt.repo  =  File.join(Config::Root, 'oxidized.git')
-				Oxidized.asetus.save :user
-				raise NoConfig, 'no output git config, edit ~/.config/oxidized/config'
-			end
-
-			if @cfg.repo.respond_to?(:each)
-				@cfg.repo.each do |group, repo|
-					@cfg.repo["#{group}="] = File.expand_path repo
-				end
-			else
-				@cfg.repo = File.expand_path @cfg.repo
-			end
-		end
-
-		def crypt_init repo
-			repo.chdir do
-				system(@gitcrypt_init)
-				@cfg.users.each do |user|
-					system("#{@gitcrypt_adduser} #{user}")
-				end
-				File.write(".gitattributes", "* filter=git-crypt diff=git-crypt\n.gitattributes !filter !diff")
-				repo.add(".gitattributes")
-				repo.commit("Initial commit: crypt all config files")
-			end
-		end
-
-		def lock repo
-			repo.chdir do
-				system(@gitcrypt_lock)
-			end
-		end
-
-		def unlock repo
-			repo.chdir do
-				system(@gitcrypt_unlock)
-			end
-		end
-
-		def store file, outputs, opt={}
-			@msg   = opt[:msg]
-			@user  = (opt[:user]  or @cfg.user)
-			@email = (opt[:email] or @cfg.email)
-			@opt   = opt
-			@commitref = nil
-			repo   = @cfg.repo
-
-			outputs.types.each do |type|
-				type_cfg = ''
-				type_repo = File.join(File.dirname(repo), type + '.git')
-				outputs.type(type).each do |output|
-					(type_cfg << output; next) if not output.name
-					type_file = file + '--' + output.name
-					if @cfg.type_as_directory?
-						type_file = type + '/' + type_file
-						type_repo = repo
-					end
-					update type_repo, type_file, output
-				end
-				update type_repo, file, type_cfg
-			end
-
-			update repo, file, outputs.to_cfg
-		end
-
-
-		def fetch node, group
-			begin
-				repo, path = yield_repo_and_path(node, group)
-				repo = Git.open repo
-				unlock repo
-				index = repo.index
-				# Empty repo ?
-				empty = File.exists? index.path
-				if empty
-					raise 'Empty git repo'
-				else
-					File.read path
-				end
-				lock repo
-			rescue
-				'node not found'
-			end
-		end
-
-		# give a hash of all oid revision for the given node, and the date of the commit
-		def version node, group
-			begin
-				repo, path = yield_repo_and_path(node, group)
-
-				repo = Git.open repo
-				unlock repo
-				walker = repo.log.path(path)
-				i = -1
-				tab  = []
-				walker.each do |commit|
-					hash = {}
-					hash[:date] = commit.date.to_s
-					hash[:oid] = commit.objectish
-					hash[:author] = commit.author
-					hash[:message] = commit.message
-					tab[i += 1] = hash
-				end
-				walker.reset
-				tab
-			rescue
-				'node not found'
-			end
-		end
-
-		#give the blob of a specific revision
-		def get_version node, group, oid
-			begin
-				repo, path = yield_repo_and_path(node, group)
-				repo = Git.open repo
-				unlock repo
-				repo.gtree(oid).files[path].contents
-			rescue
-				'version not found'
-			ensure
-				lock repo
-			end
-		end
-
-		#give a hash with the patch of a diff between 2 revision and the stats (added and deleted lines)
-		def get_diff node, group, oid1, oid2
-			begin
-				diff_commits = nil
-				repo, path = yield_repo_and_path(node, group)
-				repo = Git.open repo
-				unlock repo
-				commit = repo.gcommit(oid1)
-
-				if oid2
-					commit_old = repo.gcommit(oid2)
-					diff = repo.diff(commit_old, commit)
-					stats = [diff.stats[:files][node.name][:insertions], diff.stats[:files][node.name][:deletions]]
-					diff.each do |patch|
-						if /#{node.name}\s+/.match(patch.patch.to_s.lines.first)
-							diff_commits = {:patch => patch.patch.to_s, :stat => stats}
-							break
-						end
-					end
-				else
-					stat = commit.parents[0].diff(commit).stats
-					stat = [stat[:files][node.name][:insertions],stat[:files][node.name][:deletions]]
-					patch = commit.parents[0].diff(commit).patch
-					diff_commits = {:patch => patch, :stat => stat}
-				end
-				lock repo
-				diff_commits
-			rescue
-				'no diffs'
-			ensure
-				lock repo
-			end
-		end
-
-		private
-
-		def yield_repo_and_path(node, group)
-			repo, path = node.repo, node.name
-
-			if group and @cfg.single_repo?
-				path = "#{group}/#{node.name}"
-			end
-
-			[repo, path]
-		end
-
-		def update repo, file, data
-			return if data.empty?
-
-			if @opt[:group]
-				if @cfg.single_repo?
-					file = File.join @opt[:group], file
-				else
-					repo = if repo.is_a?(::String)
-						File.join File.dirname(repo), @opt[:group] + '.git'
-					else
-						repo[@opt[:group]]
-					end
-				end
-			end
-
-			begin
-				update_repo repo, file, data, @msg, @user, @email
-			rescue Git::GitExecuteError, ArgumentError => open_error
-				Oxidized.logger.debug "open_error #{open_error} #{file}"
-				begin
-					grepo = Git.init repo
-					crypt_init grepo
-				rescue => create_error
-					raise GitCryptError, "first '#{open_error.message}' was raised while opening git repo, then '#{create_error.message}' was while trying to create git repo"
-				end
-				retry
-			end
-		end
-
-		def update_repo repo, file, data, msg, user, email
-			grepo = Git.open repo
-			grepo.config('user.name', user)
-			grepo.config('user.email', email)
-			grepo.chdir do
-				unlock grepo
-				File.write(file, data)
-				grepo.add(file)
-				if grepo.status[file].nil?
-					grepo.commit(msg)
-					@commitref = grepo.log(1).first.objectish
-					true
-				elsif !grepo.status[file].type.nil?
-					grepo.commit(msg)
-					@commitref = grepo.log(1).first.objectish
-					true
-				end
-				lock grepo
-			end
-		end
-	end
+  class GitCrypt < Output
+    class GitCryptError < OxidizedError; end
+    begin
+      require 'git'
+    rescue LoadError
+      raise OxidizedError, 'git not found: sudo gem install ruby-git'
+    end
+
+    attr_reader :commitref
+
+    def initialize
+      @cfg = Oxidized.config.output.gitcrypt
+      @gitcrypt_cmd = "/usr/bin/git-crypt"
+      @gitcrypt_init = @gitcrypt_cmd + " init"
+      @gitcrypt_unlock = @gitcrypt_cmd + " unlock"
+      @gitcrypt_lock = @gitcrypt_cmd + " lock"
+      @gitcrypt_adduser = @gitcrypt_cmd + " add-gpg-user --trusted "
+    end
+
+    def setup
+      if @cfg.empty?
+        Oxidized.asetus.user.output.gitcrypt.user  = 'Oxidized'
+        Oxidized.asetus.user.output.gitcrypt.email = 'o@example.com'
+        Oxidized.asetus.user.output.gitcrypt.repo = File.join(Config::Root, 'oxidized.git')
+        Oxidized.asetus.save :user
+        raise NoConfig, 'no output git config, edit ~/.config/oxidized/config'
+      end
+
+      if @cfg.repo.respond_to?(:each)
+        @cfg.repo.each do |group, repo|
+          @cfg.repo["#{group}="] = File.expand_path repo
+        end
+      else
+        @cfg.repo = File.expand_path @cfg.repo
+      end
+    end
+
+    def crypt_init repo
+      repo.chdir do
+        system(@gitcrypt_init)
+        @cfg.users.each do |user|
+          system("#{@gitcrypt_adduser} #{user}")
+        end
+        File.write(".gitattributes", "* filter=git-crypt diff=git-crypt\n.gitattributes !filter !diff")
+        repo.add(".gitattributes")
+        repo.commit("Initial commit: crypt all config files")
+      end
+    end
+
+    def lock repo
+      repo.chdir do
+        system(@gitcrypt_lock)
+      end
+    end
+
+    def unlock repo
+      repo.chdir do
+        system(@gitcrypt_unlock)
+      end
+    end
+
+    def store file, outputs, opt = {}
+      @msg   = opt[:msg]
+      @user  = (opt[:user]  or @cfg.user)
+      @email = (opt[:email] or @cfg.email)
+      @opt   = opt
+      @commitref = nil
+      repo = @cfg.repo
+
+      outputs.types.each do |type|
+        type_cfg = ''
+        type_repo = File.join(File.dirname(repo), type + '.git')
+        outputs.type(type).each do |output|
+          (type_cfg << output; next) if not output.name
+          type_file = file + '--' + output.name
+          if @cfg.type_as_directory?
+            type_file = type + '/' + type_file
+            type_repo = repo
+          end
+          update type_repo, type_file, output
+        end
+        update type_repo, file, type_cfg
+      end
+
+      update repo, file, outputs.to_cfg
+    end
+
+    def fetch node, group
+      begin
+        repo, path = yield_repo_and_path(node, group)
+        repo = Git.open repo
+        unlock repo
+        index = repo.index
+        # Empty repo ?
+        empty = File.exists? index.path
+        if empty
+          raise 'Empty git repo'
+        else
+          File.read path
+        end
+        lock repo
+      rescue
+        'node not found'
+      end
+    end
+
+    # give a hash of all oid revision for the given node, and the date of the commit
+    def version node, group
+      begin
+        repo, path = yield_repo_and_path(node, group)
+
+        repo = Git.open repo
+        unlock repo
+        walker = repo.log.path(path)
+        i = -1
+        tab = []
+        walker.each do |commit|
+          hash = {}
+          hash[:date] = commit.date.to_s
+          hash[:oid] = commit.objectish
+          hash[:author] = commit.author
+          hash[:message] = commit.message
+          tab[i += 1] = hash
+        end
+        walker.reset
+        tab
+      rescue
+        'node not found'
+      end
+    end
+
+    # give the blob of a specific revision
+    def get_version node, group, oid
+      begin
+        repo, path = yield_repo_and_path(node, group)
+        repo = Git.open repo
+        unlock repo
+        repo.gtree(oid).files[path].contents
+      rescue
+        'version not found'
+      ensure
+        lock repo
+      end
+    end
+
+    # give a hash with the patch of a diff between 2 revision and the stats (added and deleted lines)
+    def get_diff node, group, oid1, oid2
+      begin
+        diff_commits = nil
+        repo, path = yield_repo_and_path(node, group)
+        repo = Git.open repo
+        unlock repo
+        commit = repo.gcommit(oid1)
+
+        if oid2
+          commit_old = repo.gcommit(oid2)
+          diff = repo.diff(commit_old, commit)
+          stats = [diff.stats[:files][node.name][:insertions], diff.stats[:files][node.name][:deletions]]
+          diff.each do |patch|
+            if /#{node.name}\s+/.match(patch.patch.to_s.lines.first)
+              diff_commits = { :patch => patch.patch.to_s, :stat => stats }
+              break
+            end
+          end
+        else
+          stat = commit.parents[0].diff(commit).stats
+          stat = [stat[:files][node.name][:insertions], stat[:files][node.name][:deletions]]
+          patch = commit.parents[0].diff(commit).patch
+          diff_commits = { :patch => patch, :stat => stat }
+        end
+        lock repo
+        diff_commits
+      rescue
+        'no diffs'
+      ensure
+        lock repo
+      end
+    end
+
+    private
+
+    def yield_repo_and_path(node, group)
+      repo, path = node.repo, node.name
+
+      if group and @cfg.single_repo?
+        path = "#{group}/#{node.name}"
+      end
+
+      [repo, path]
+    end
+
+    def update repo, file, data
+      return if data.empty?
+
+      if @opt[:group]
+        if @cfg.single_repo?
+          file = File.join @opt[:group], file
+        else
+          repo = if repo.is_a?(::String)
+                   File.join File.dirname(repo), @opt[:group] + '.git'
+                 else
+                   repo[@opt[:group]]
+                 end
+        end
+      end
+
+      begin
+        update_repo repo, file, data, @msg, @user, @email
+      rescue Git::GitExecuteError, ArgumentError => open_error
+        Oxidized.logger.debug "open_error #{open_error} #{file}"
+        begin
+          grepo = Git.init repo
+          crypt_init grepo
+        rescue => create_error
+          raise GitCryptError, "first '#{open_error.message}' was raised while opening git repo, then '#{create_error.message}' was while trying to create git repo"
+        end
+        retry
+      end
+    end
+
+    def update_repo repo, file, data, msg, user, email
+      grepo = Git.open repo
+      grepo.config('user.name', user)
+      grepo.config('user.email', email)
+      grepo.chdir do
+        unlock grepo
+        File.write(file, data)
+        grepo.add(file)
+        if grepo.status[file].nil?
+          grepo.commit(msg)
+          @commitref = grepo.log(1).first.objectish
+          true
+        elsif !grepo.status[file].type.nil?
+          grepo.commit(msg)
+          @commitref = grepo.log(1).first.objectish
+          true
+        end
+        lock grepo
+      end
+    end
+  end
 end
diff --git a/lib/oxidized/output/http.rb b/lib/oxidized/output/http.rb
index 13ba300..0467261 100644
--- a/lib/oxidized/output/http.rb
+++ b/lib/oxidized/output/http.rb
@@ -7,9 +7,9 @@ module Oxidized
 
     def setup
       if @cfg.empty?
-        CFGS.user.output.http.user  = 'Oxidized'
+        CFGS.user.output.http.user = 'Oxidized'
         CFGS.user.output.http.pasword = 'secret'
-        CFGS.user.output.http.url  =  'http://localhost/web-api/oxidized'
+        CFGS.user.output.http.url = 'http://localhost/web-api/oxidized'
         CFGS.save :user
         raise NoConfig, 'no output http config, edit ~/.config/oxidized/config'
       end
@@ -17,42 +17,38 @@ module Oxidized
     require "net/http"
     require "uri"
     require "json"
-    def store node, outputs, opt={}
+    def store node, outputs, opt = {}
       @commitref = nil
       json = JSON.pretty_generate(
-          {
-              'msg' => opt[:msg],
-              'user' => opt[:user],
-              'email' => opt[:email],
-              'group' => opt[:group],
-              'node' => node,
-              'config' => outputs.to_cfg,
-              # actually we need to also iterate outputs, for other types like in gitlab. But most people don't use 'type' functionality.
-          }
+        {
+          'msg' => opt[:msg],
+          'user' => opt[:user],
+          'email' => opt[:email],
+          'group' => opt[:group],
+          'node' => node,
+          'config' => outputs.to_cfg,
+          # actually we need to also iterate outputs, for other types like in gitlab. But most people don't use 'type' functionality.
+        }
       )
       uri = URI.parse @cfg.url
       http = Net::HTTP.new uri.host, uri.port
-      #http.use_ssl = true if uri.scheme = 'https'
-      req = Net::HTTP::Post.new(uri.request_uri, initheader = { 'Content-Type' => 'application/json'})
+      # http.use_ssl = true if uri.scheme = 'https'
+      req = Net::HTTP::Post.new(uri.request_uri, initheader = { 'Content-Type' => 'application/json' })
       req.basic_auth @cfg.user, @cfg.password
       req.body = json
       response = http.request req
 
       case response.code.to_i
-        when 200 || 201
-          Oxidized.logger.info "Configuration http backup complete for #{node}"
-          p [:success]
-        when (400..499)
-          Oxidized.logger.info "Configuration http backup for #{node} failed status: #{response.body}"
-          p [:bad_request]
-        when (500..599)
-          p [:server_problems]
-          Oxidized.logger.info "Configuration http backup for #{node} failed status: #{response.body}"
+      when 200 || 201
+        Oxidized.logger.info "Configuration http backup complete for #{node}"
+        p [:success]
+      when (400..499)
+        Oxidized.logger.info "Configuration http backup for #{node} failed status: #{response.body}"
+        p [:bad_request]
+      when (500..599)
+        p [:server_problems]
+        Oxidized.logger.info "Configuration http backup for #{node} failed status: #{response.body}"
       end
-
     end
-
   end
 end
-
-
diff --git a/lib/oxidized/output/output.rb b/lib/oxidized/output/output.rb
index 1355d03..9fae7b0 100644
--- a/lib/oxidized/output/output.rb
+++ b/lib/oxidized/output/output.rb
@@ -3,8 +3,7 @@ module Oxidized
     class NoConfig < OxidizedError; end
 
     def cfg_to_str cfg
-      cfg.select{ |h| h[:type]=='cfg' }.map{ |h| h[:data] }.join
+      cfg.select { |h| h[:type] == 'cfg' }.map { |h| h[:data] }.join
     end
-
   end
 end