Merge branch 'dz-internal-api-fullpath' into 'master'

Make internal api work with full repo path and name

## What does this MR do?

Make internal api work with full repo path and name

## Why was this MR needed?

So we can pass full repository path on filesystem from gitlab-shell instead of extracted one. We need this for nested groups support where project is can be nested under several groups. 

## What are the relevant issue numbers?

https://gitlab.com/gitlab-org/gitlab-ce/issues/2772

See merge request !7148

app/models/repository.rb

@@ -11,6 +11,20 @@ class Repository
 
   attr_accessor :path_with_namespace, :project
 
+  def self.storages
+    Gitlab.config.repositories.storages
+  end
+
+  def self.remove_storage_from_path(repo_path)
+    storages.find do |_, storage_path|
+      if repo_path.start_with?(storage_path)
+        return repo_path.sub(storage_path, '')
+      end
+    end
+
+    repo_path
+  end
+
   def initialize(path_with_namespace, project)
     @path_with_namespace = path_with_namespace
     @project = project

lib/api/internal.rb

@@ -17,15 +17,20 @@ module API
       #
 
       helpers do
+        def project_path
+          @project_path ||= begin
+            project_path = params[:project].sub(/\.git\z/, '')
+            Repository.remove_storage_from_path(project_path)
+          end
+        end
+
         def wiki?
-          @wiki ||= params[:project].end_with?('.wiki') &&
-            !Project.find_with_namespace(params[:project])
+          @wiki ||= project_path.end_with?('.wiki') &&
+            !Project.find_with_namespace(project_path)
         end
 
         def project
           @project ||= begin
-            project_path = params[:project]
-
             # Check for *.wiki repositories.
             # Strip out the .wiki from the pathname before finding the
             # project. This applies the correct project permissions to

spec/models/repository_spec.rb

@@ -1472,4 +1472,14 @@ describe Repository, models: true do
       end.to raise_error(Repository::CommitError)
     end
   end
+
+  describe '#remove_storage_from_path' do
+    let(:storage_path) { project.repository_storage_path }
+    let(:project_path) { project.path_with_namespace }
+    let(:full_path) { File.join(storage_path, project_path) }
+
+    it { expect(Repository.remove_storage_from_path(full_path)).to eq(project_path) }
+    it { expect(Repository.remove_storage_from_path(project_path)).to eq(project_path) }
+    it { expect(Repository.remove_storage_from_path(storage_path)).to eq('') }
+  end
 end