[Libguestfs] [PATCH v1] appliance: enable bash's Process Substitution feature

bash can read input from a spawned process, and even provide input to such process. This feature relies on /dev/fd/ being present. In the past udev silently created this symlink, so this bash feature worked more or less by accident. With recent systemd versions, such as 246 which is included in Leap 15.3, the symlink is not created anymore. As a result scripts, such as /sbin/dhclient-script, fail to work properly. This symlink should have been created in version 1 of this variant of /init. https://bugzilla.opensuse.org/show_bug.cgi?id=1190501 Signed-off-by: Olaf Hering <olaf(a)aepfle.de&gt; --- appliance/init | 1 + 1 file changed, 1 insertion(+) diff --git a/appliance/init b/appliance/init index b1c4d09ea..cdc39c3b9 100755 --- a/appliance/init +++ b/appliance/init @@ -72,6 +72,7 @@ fi # devtmpfs is required since udev 176 mount -t devtmpfs /dev /dev +ln -s /proc/self/fd /dev/fd mkdir -p /dev/pts mount -t devpts /dev/pts /dev/pts mkdir -p /dev/shm