Revert "API: Ability to retrieve a single tag"

This reverts commit 7f287c91.

doc/api/tags.md

@@ -38,38 +38,6 @@ Parameters:
 ]
 ```
 
-## Get a single repository tag
-
-Get a specific repository tag determined by its name. It returns 200 together
-with the tag information if the tag exists. It returns 404 if the tag does not
-exist.
-
-Parameters:
-
-- `id` (required) - The ID of a project
-- `tag_name` (required) - The name of the tag
-
-```json
-{
-  "name": "v5.0.0",
-  "message": null,
-  "commit": {
-    "id": "60a8ff033665e1207714d6670fcd7b65304ec02f",
-    "message": "v5.0.0\n",
-    "parent_ids": [
-      "f61c062ff8bcbdb00e0a1b3317a91aed6ceee06b"
-    ],
-    "authored_date": "2015-02-01T21:56:31.000+01:00",
-    "author_name": "Arthur Verschaeve",
-    "author_email": "contact@arthurverschaeve.be",
-    "committed_date": "2015-02-01T21:56:31.000+01:00",
-    "committer_name": "Arthur Verschaeve",
-    "committer_email": "contact@arthurverschaeve.be"
-  },
-  "release": null
-}
-```
-
 ## Create a new tag
 
 Creates a new tag in the repository that points to the supplied ref.

lib/api/tags.rb

@@ -16,20 +16,6 @@ module API
                 with: Entities::RepoTag, project: user_project
       end
 
-      # Get a single repository tag
-      #
-      # Parameters:
-      #   id (required) - The ID of a project
-      #   tag_name (required) - The name of the tag
-      # Example Request:
-      #   GET /projects/:id/repository/tags/:tag_name
-      get ":id/repository/tags/:tag_name", requirements: { tag_name: /.*/ } do
-        tag = user_project.repository.find_tag(params[:tag_name])
-        not_found!('Tag') unless tag
-
-        present tag,  with: Entities::RepoTag, project: user_project
-      end
-
       # Create tag
       #
       # Parameters:

spec/requests/api/tags_spec.rb

@@ -40,23 +40,6 @@ describe API::API, api: true  do
     end
   end
 
-  describe "GET /projects/:id/repository/tags/:tag_name" do
-    let(:tag_name) { project.repository.tag_names.sort.reverse.first }
-
-    it 'should return a specific tag' do
-      get api("/projects/#{project.id}/repository/tags/#{tag_name}", user)
-
-      expect(response.status).to eq(200)
-      expect(json_response['name']).to eq(tag_name)
-    end
-
-    it 'should return 404 for an invalid tag name' do
-      get api("/projects/#{project.id}/repository/tags/foobar", user)
-
-      expect(response.status).to eq(404)
-    end
-  end
-
   describe 'POST /projects/:id/repository/tags' do
     context 'lightweight tags' do
       it 'should create a new tag' do