Added push tag event support

pkg/remote/builtin/gitlab/gitlab.go

@@ -233,7 +233,7 @@ func (r *Gitlab) Hook(req *http.Request) (*common.Hook, error) {
 		}
 
 		return mergeRequest(parsed, req)
-	case "push":
+	case "tag_push", "push":
 		if len(parsed.After) == 0 || parsed.TotalCommitsCount == 0 {
 			return nil, nil
 		}

pkg/remote/builtin/gitlab/gitlab_test.go

@@ -124,6 +124,24 @@ func Test_Gitlab(t *testing.T) {
 				g.Assert(err == nil).IsTrue()
 				g.Assert(hook.Repo.Owner).Equal("diaspora")
 				g.Assert(hook.Repo.Name).Equal("diaspora-client")
+				g.Assert(hook.Commit.Ref).Equal("refs/heads/master")
+
+				g.Assert(hook.PullRequest == nil).IsTrue()
+			})
+
+			g.It("Should parse tag push hook", func() {
+				req, _ := http.NewRequest(
+					"POST",
+					"http://example.com/api/hook?owner=diaspora&name=diaspora-client",
+					bytes.NewReader(testdata.TagHook),
+				)
+
+				hook, err := gitlab.Hook(req)
+
+				g.Assert(err == nil).IsTrue()
+				g.Assert(hook.Repo.Owner).Equal("diaspora")
+				g.Assert(hook.Repo.Name).Equal("diaspora-client")
+				g.Assert(hook.Commit.Ref).Equal("refs/tags/v1.0.0")
 
 				g.Assert(hook.PullRequest == nil).IsTrue()
 			})

pkg/remote/builtin/gitlab/testdata/hooks.go

@@ -1,5 +1,49 @@
 package testdata
 
+var TagHook = []byte(`
+{
+  "object_kind": "tag_push",
+  "ref": "refs/tags/v1.0.0",
+  "before": "0000000000000000000000000000000000000000",
+  "after": "82b3d5ae55f7080f1e6022629cdb57bfae7cccc7",
+  "user_id": 1,
+  "user_name": "John Smith",
+  "project_id": 1,
+  "repository": {
+    "name": "jsmith",
+    "url": "ssh://git@example.com/jsmith/example.git",
+    "description": "",
+    "homepage": "http://example.com/jsmith/example",
+    "git_http_url":"http://example.com/jsmith/example.git",
+    "git_ssh_url":"git@example.com:jsmith/example.git",
+    "visibility_level":0
+  },
+  "commits": [
+    {
+      "id": "b6568db1bc1dcd7f8b4d5a946b0b91f9dacd7327",
+      "message": "Update Catalan translation to e38cb41.",
+      "timestamp": "2011-12-12T14:27:31+02:00",
+      "url": "http://example.com/mike/diaspora/commit/b6568db1bc1dcd7f8b4d5a946b0b91f9dacd7327",
+      "author": {
+        "name": "Jordi Mallach",
+        "email": "jordi@softcatala.org"
+      }
+    },
+    {
+      "id": "da1560886d4f094c3e6c9ef40349f7d38b5d27d7",
+      "message": "fixed readme",
+      "timestamp": "2012-01-03T23:36:29+02:00",
+      "url": "http://example.com/mike/diaspora/commit/da1560886d4f094c3e6c9ef40349f7d38b5d27d7",
+      "author": {
+        "name": "GitLab dev user",
+        "email": "gitlabdev@dv6700.(none)"
+      }
+    }
+  ],
+  "total_commits_count": 4
+}
+`)
+
 var MergeRequestHook = []byte(`
 {
   "object_kind": "merge_request",