If systemd is configured with importd, "machinectl import-*" can be
used to add container trees under /var/lib/machines.

But "machinectl import-tar" makes use of "tar --numeric-owner" which
is not supported by the busybox binary, as shown below:

    # machinectl import-tar /tmp/container.tar.xz
    Enqueued transfer job 1. Press C-c to continue download in background.
    Importing '/tmp/container.tar.xz', saving as 'container'.
    Imported 0%.
    tar: unrecognized option '--numeric-owner'
    BusyBox v1.31.1 () multi-call binary.
    Usage: tar c|x|t [-ZzJjahmvokO] [-f TARFILE] [-C DIR] [-T FILE] [-X FILE] 
[FILE]...
    Failed to decode and write: Broken pipe
    Exiting.

To fix this, recommend the standard tar package.

Cc: Chen Qi <[email protected]>
Signed-off-by: Vivien Didelot <[email protected]>
---
 meta/recipes-core/systemd/systemd_244.5.bb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/meta/recipes-core/systemd/systemd_244.5.bb 
b/meta/recipes-core/systemd/systemd_244.5.bb
index aaed047e63..8a30d7d795 100644
--- a/meta/recipes-core/systemd/systemd_244.5.bb
+++ b/meta/recipes-core/systemd/systemd_244.5.bb
@@ -446,10 +446,12 @@ FILES_${PN}-container = 
"${sysconfdir}/dbus-1/system.d/org.freedesktop.import1.c
                          
${datadir}/polkit-1/actions/org.freedesktop.machine1.policy \
                         "
 
+# "machinectl import-tar" uses "tar --numeric-owner", not supported by busybox.
 RRECOMMENDS_${PN}-container += "\
                          ${PN}-journal-gatewayd \
                          ${PN}-journal-remote \
                          ${PN}-journal-upload \
+                         tar \
                         "
 
 FILES_${PN}-extra-utils = "\
-- 
2.30.1

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