Add repo runner registration token

Co-Authored-By: Virgil <virgil@lethean.io>

repos.go

@@ -727,6 +727,16 @@ func (s *RepoService) MirrorSync(ctx context.Context, owner, repo string) error
 	return s.client.Post(ctx, path, nil, nil)
 }
 
+// GetRunnerRegistrationToken returns a repository actions runner registration token.
+func (s *RepoService) GetRunnerRegistrationToken(ctx context.Context, owner, repo string) (string, error) {
+	path := ResolvePath("/api/v1/repos/{owner}/{repo}/actions/runners/registration-token", pathParams("owner", owner, "repo", repo))
+	resp, err := s.client.doJSON(ctx, http.MethodGet, path, nil, nil)
+	if err != nil {
+		return "", err
+	}
+	return resp.Header.Get("token"), nil
+}
+
 // SyncPushMirrors triggers a sync across all push mirrors configured for a repository.
 func (s *RepoService) SyncPushMirrors(ctx context.Context, owner, repo string) error {
 	path := ResolvePath("/api/v1/repos/{owner}/{repo}/push_mirrors-sync", pathParams("owner", owner, "repo", repo))

repos_test.go

@@ -74,6 +74,31 @@ func TestRepoService_GetByID_Good(t *testing.T) {
 	}
 }
 
+func TestRepoService_GetRunnerRegistrationToken_Good(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodGet {
+			t.Errorf("expected GET, got %s", r.Method)
+		}
+		if r.URL.Path != "/api/v1/repos/core/go-forge/actions/runners/registration-token" {
+			t.Errorf("wrong path: %s", r.URL.Path)
+			http.NotFound(w, r)
+			return
+		}
+		w.Header().Set("token", "runner-token")
+		w.WriteHeader(http.StatusOK)
+	}))
+	defer srv.Close()
+
+	f := NewForge(srv.URL, "tok")
+	token, err := f.Repos.GetRunnerRegistrationToken(context.Background(), "core", "go-forge")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if token != "runner-token" {
+		t.Fatalf("got token=%q, want %q", token, "runner-token")
+	}
+}
+
 func TestRepoService_ListTopics_Good(t *testing.T) {
 	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		if r.Method != http.MethodGet {