deployment refs in own folder, new method for creating refs

app/models/deployment.rb

@@ -30,7 +30,7 @@ class Deployment < ActiveRecord::Base
   end
 
   def create_ref
-    project.repository.fetch_ref(project.repository.path_to_repo, ref, ref_path)
+    project.repository.create_ref(ref, ref_path)
   end
 
   def manual_actions
@@ -80,6 +80,6 @@ class Deployment < ActiveRecord::Base
   private
 
   def ref_path
-    "#{environment.ref_path}#{id}"
+    File.join(environment.ref_path, 'deployments', id.to_s)
   end
 end

app/models/environment.rb

@@ -49,6 +49,6 @@ class Environment < ActiveRecord::Base
   end
 
   def ref_path
-    "refs/environments/#{Shellwords.shellescape(name)}/"
+    "refs/environments/#{Shellwords.shellescape(name)}"
   end
 end

app/models/repository.rb

@@ -997,6 +997,10 @@ class Repository
     Gitlab::Popen.popen(args, path_to_repo)
   end
 
+  def create_ref(ref, ref_path)
+    fetch_ref(path_to_repo, ref, ref_path)
+  end
+
   def update_branch_with_hooks(current_user, branch)
     update_autocrlf_option
 

doc/ci/environments.md

@@ -20,7 +20,7 @@ Since 8.13, a reference in the git repository is saved for each deployment. So
 knowing what the state is of your current environments is only a `git fetch`
 away.
 
-In your git config, append the `[remote "<your-remote>"] block with an extra
+In your git config, append the `[remote "<your-remote>"]` block with an extra
 fetch line:
 
 ```

spec/models/repository_spec.rb

@@ -320,6 +320,16 @@ describe Repository, models: true do
     end
   end
 
+  describe '#create_ref' do
+    it 'redirects the call to fetch_ref' do
+      ref, ref_path = '1', '2'
+
+      expect(repository).to receive(:fetch_ref).with(repository.path_to_repo, ref, ref_path)
+
+      repository.create_ref(ref, ref_path)
+    end
+  end
+
   describe "#changelog" do
     before do
       repository.send(:cache).expire(:changelog)