dankinstall: add danksearch and dankcalendar as optional deps

core/internal/distros/dsearch_service.go

@@ -0,0 +1,34 @@
+package distros
+
+import (
+	"context"
+	"fmt"
+	"os/exec"
+)
+
+// SetupDsearchService enables the dsearch.service user unit. Enablement failures
+// are returned for the caller to surface as a non-fatal warning.
+func SetupDsearchService(ctx context.Context, logf func(string)) error {
+	if logf == nil {
+		logf = func(string) {}
+	}
+
+	if err := runSystemctlUser(ctx, "daemon-reload"); err != nil {
+		return err
+	}
+
+	if err := runSystemctlUser(ctx, "enable", "--now", "dsearch.service"); err != nil {
+		return err
+	}
+	logf("Enabled dsearch.service")
+
+	return nil
+}
+
+func runSystemctlUser(ctx context.Context, args ...string) error {
+	cmd := exec.CommandContext(ctx, "systemctl", append([]string{"--user"}, args...)...)
+	if output, err := cmd.CombinedOutput(); err != nil {
+		return fmt.Errorf("systemctl --user %v failed: %w: %s", args, err, string(output))
+	}
+	return nil
+}