Use similar interface to access gitolite

Simplified gitolite handle logic
Stubn over monkeypatch
Stub only specific methods in Gitlab:Gitolite
Moved grach auth to lib
added specs for keys observer
removes SshKey role

app/models/key.rb

@@ -1,7 +1,6 @@
 require 'digest/md5'
 
 class Key < ActiveRecord::Base
-  include SshKey
   belongs_to :user
   belongs_to :project
 
@@ -50,6 +49,10 @@ class Key < ActiveRecord::Base
       user.projects
     end
   end
+
+  def last_deploy?
+    Key.where(identifier: identifier).count == 0
+  end
 end
 # == Schema Information
 #

app/models/protected_branch.rb

@@ -1,4 +1,6 @@
 class ProtectedBranch < ActiveRecord::Base
+  include GitHost
+
   belongs_to :project
   validates_presence_of :project_id
   validates_presence_of :name
@@ -7,7 +9,7 @@ class ProtectedBranch < ActiveRecord::Base
   after_destroy :update_repository
 
   def update_repository
-    Gitlab::GitHost.system.update_project(project.path, project)
+    git_host.update_repository(project)
   end
 
   def commit

app/models/users_project.rb

@@ -1,4 +1,6 @@
 class UsersProject < ActiveRecord::Base
+  include GitHost
+
   GUEST     = 10
   REPORTER  = 20
   DEVELOPER = 30
@@ -58,9 +60,7 @@ class UsersProject < ActiveRecord::Base
   end
 
   def update_repository
-    Gitlab::GitHost.system.new.configure do |c|
-      c.update_project(project.path, project)
-    end
+    git_host.update_repository(project)
   end
 
   def project_access_human

app/observers/key_observer.rb

@@ -1,9 +1,12 @@
 class KeyObserver < ActiveRecord::Observer
+  include GitHost
+
   def after_save(key)
-    key.update_repository
+    git_host.set_key(key.identifier, key.key, key.projects)
   end
 
   def after_destroy(key)
-    key.repository_delete_key
+    return if key.is_deploy_key && !key.last_deploy?
+    git_host.remove_key(key.identifier, key.projects)
   end
 end

app/roles/git_host.rb

@@ -0,0 +1,5 @@
+module GitHost
+  def git_host
+    Gitlab::Gitolite.new
+  end
+end

app/roles/git_merge.rb

@@ -1,2 +0,0 @@
-module GitMerge
-end

app/roles/repository.rb

@@ -1,4 +1,6 @@
 module Repository
+  include GitHost
+
   def valid_repo?
     repo
   rescue
@@ -48,7 +50,7 @@ module Repository
   end
 
   def url_to_repo
-    Gitlab::GitHost.url_to_repo(path)
+    git_host.url_to_repo(path)
   end
 
   def path_to_repo
@@ -56,11 +58,11 @@ module Repository
   end
 
   def update_repository
-    Gitlab::GitHost.system.update_project(path, self)
+    git_host.update_repository(self)
   end
 
   def destroy_repository
-    Gitlab::GitHost.system.destroy_project(self)
+    git_host.remove_repository(self)
   end
 
   def repo_exists?

app/roles/ssh_key.rb

@@ -1,18 +0,0 @@
-module SshKey
-  def update_repository
-    Gitlab::GitHost.system.new.configure do |c|
-      c.update_keys(identifier, key)
-      c.update_projects(projects)
-    end
-  end
-
-  def repository_delete_key
-    Gitlab::GitHost.system.new.configure do |c|
-      #delete key file is there is no identically deploy keys
-      if !is_deploy_key || Key.where(identifier: identifier).count() == 0
-        c.delete_key(identifier)
-      end
-      c.update_projects(projects)
-    end
-  end
-end