[Libguestfs] [PATCH WIP 3/5] appliance: Fix job control in virt-rescue.

See comment and link to busybox FAQ for explanation. --- appliance/init | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/appliance/init b/appliance/init index 8be27a2..b3b8a45 100755 --- a/appliance/init +++ b/appliance/init @@ -194,7 +194,15 @@ else echo "You have to mount the guest's partitions under /sysroot" echo "before you can examine them." echo - bash -i + # The shell is opened by default on /dev/console, which (on Linux) + # is not a controlling terminal, causing job control to fail. For + # how we work around this, see: + # https://busybox.net/FAQ.html#job_control + # + # Get name of the serial port, from console= passed by libguestfs. + export serial=`grep -Eo 'console=[^[:space:]]+' /proc/cmdline | + sed s/console=//` + setsid bash -c 'exec bash </dev/$serial >/dev/$serial 2>&1' echo echo "virt-rescue: Syncing the disk now before exiting ..." echo -- 2.9.3