sysupdate: fix gnome-terminal title

core/internal/server/sysupdate/executor.go

@@ -143,7 +143,8 @@ func wrapInTerminal(term, title, shellCmd string, extraArgs []string) []string {
 	case "konsole":
 		argv = []string{term, "-p", "tabtitle=" + title}
 	case "gnome-terminal":
-		argv = []string{term, "--title=" + title}
+		// --wait: the factory process otherwise returns immediately
+		argv = []string{term, "--wait", "--title=" + title}
 		execFlag = "--"
 	default:
 		argv = []string{term}

core/internal/server/sysupdate/manager.go

@@ -412,25 +412,30 @@ func (m *Manager) runCustomUpgrade(ctx context.Context, opts UpgradeOptions) {
 	onLine := func(line string) { m.appendLog(line) }
 	argv := wrapInTerminal(term, "DMS — System Update (custom)", opts.CustomCommand, opts.TerminalArgs)
 	if err := Run(ctx, argv, RunOptions{OnLine: onLine}); err != nil {
-		code := ErrCodeBackendFailed
 		switch {
 		case errors.Is(ctx.Err(), context.DeadlineExceeded):
-			code = ErrCodeTimeout
+			m.failCustomUpgrade(ErrCodeTimeout, err)
+			return
 		case errors.Is(ctx.Err(), context.Canceled):
-			code = ErrCodeCancelled
+			m.failCustomUpgrade(ErrCodeCancelled, err)
+			return
 		}
-		m.mu.Lock()
+		// exit status reflects the trailing `read`, not the update command
-		m.state.Phase = PhaseError
+		m.appendLog(fmt.Sprintf("Terminal exited early: %v", err))
-		m.state.Error = &ErrorInfo{Code: code, Message: err.Error()}
-		m.mu.Unlock()
-		m.markDirty()
-		return
 	}
 
 	m.finishSuccessfulUpgrade(false)
 	m.runRefresh(context.Background(), false)
 }
 
+func (m *Manager) failCustomUpgrade(code ErrorCode, err error) {
+	m.mu.Lock()
+	m.state.Phase = PhaseError
+	m.state.Error = &ErrorInfo{Code: code, Message: err.Error()}
+	m.mu.Unlock()
+	m.markDirty()
+}
+
 func (m *Manager) finishSuccessfulUpgrade(clearPackages bool) {
 	m.appendLog("Upgrade complete.")
 

core/internal/server/sysupdate/upgrade_commands_test.go

@@ -233,3 +233,27 @@ func TestUpgradeBackendsFiltersFlatpakOnly(t *testing.T) {
 		t.Fatalf("upgradeBackends(mixed) = %#v, want dnf5 then flatpak", got)
 	}
 }
+
+func TestWrapInTerminal(t *testing.T) {
+	tests := []struct {
+		term       string
+		wantPrefix []string
+	}{
+		{"kitty", []string{"kitty", "--class", "com.danklinux.dms", "-T", "Title"}},
+		{"gnome-terminal", []string{"gnome-terminal", "--wait", "--title=Title"}},
+		{"foot", []string{"foot", "--app-id=com.danklinux.dms", "--title=Title"}},
+	}
+	for _, tt := range tests {
+		got := wrapInTerminal(tt.term, "Title", "echo hi", nil)
+		if len(got) < len(tt.wantPrefix) || !reflect.DeepEqual(got[:len(tt.wantPrefix)], tt.wantPrefix) {
+			t.Errorf("wrapInTerminal(%q) = %#v, want prefix %#v", tt.term, got, tt.wantPrefix)
+		}
+		tail := got[len(got)-3:]
+		if tail[0] != "sh" || tail[1] != "-c" {
+			t.Errorf("wrapInTerminal(%q) tail = %#v, want [sh -c <cmd>]", tt.term, tail)
+		}
+		if !strings.Contains(tail[2], "echo hi") {
+			t.Errorf("wrapInTerminal(%q) command %q does not contain shell command", tt.term, tail[2])
+		}
+	}
+}