From 72a575a5f950f9f3a50ad302c2ffdc71c9dec2e0 Mon Sep 17 00:00:00 2001
From: Norman Feske <norman.feske@genode-labs.com>
Date: Mon, 18 Mar 2024 12:32:02 +0100
Subject: [PATCH] depot_autopilot.run: error message on empty tar

When wrongly invoking the run script by specifying a skipped test
as its only TEST_PKGS argument, the run script fails due to a wrong
tar argument order. Let's better reflect this condition to the user
ahead of invoking tar.
---
 repos/gems/run/depot_autopilot.run | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/repos/gems/run/depot_autopilot.run b/repos/gems/run/depot_autopilot.run
index cc36c43847..fbef16fa51 100644
--- a/repos/gems/run/depot_autopilot.run
+++ b/repos/gems/run/depot_autopilot.run
@@ -85,6 +85,11 @@ proc autopilot_create_tar_from_depot_binaries { archive_path args } {
 
 	check_for_missing_depot_archives
 
+	if {[llength $content] == 0} {
+		puts stderr "Error: no content for depot.tar"
+		exit -1
+	}
+
 	eval "exec tar cf $archive_path -T /dev/null -C [depot_dir] [lsort -unique $content]"
 }