[gnome-builder] podman: add --user $USER to podman exec launcher

[Christian Hergert <chergert src gnome org>]

commit cd4aa042fb80d45a13d74b76b19a7cffa4104f58
Author: Christian Hergert <chergert redhat com>
Date:   Tue Nov 3 10:45:09 2020 -0800

    podman: add --user $USER to podman exec launcher
    
    Fixes #1329

 src/plugins/podman/gbp-podman-subprocess-launcher.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/plugins/podman/gbp-podman-subprocess-launcher.c 
b/src/plugins/podman/gbp-podman-subprocess-launcher.c
index b331d83b2..7b389a264 100644
--- a/src/plugins/podman/gbp-podman-subprocess-launcher.c
+++ b/src/plugins/podman/gbp-podman-subprocess-launcher.c
@@ -89,6 +89,8 @@ gbp_podman_subprocess_launcher_spawn (IdeSubprocessLauncher  *launcher,
       ide_subprocess_launcher_insert_argv (launcher, i++, "exec");
       ide_subprocess_launcher_insert_argv (launcher, i++, "--privileged");
       ide_subprocess_launcher_insert_argv (launcher, i++, "--interactive");
+      ide_subprocess_launcher_insert_argv (launcher, i++, "--user");
+      ide_subprocess_launcher_insert_argv (launcher, i++, g_get_user_name ());
 
       if (ide_subprocess_launcher_get_needs_tty (launcher))
         ide_subprocess_launcher_insert_argv (launcher, i++, "--tty");