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#!/bin/bash
. /dbstck.conf # get GETTY_COMMAND
first_init()
{
# - we will talk to the console
# - since we were called as a subprocess,
# we can avoid leaking the lock fd
exec 0</dev/console 1>/dev/console 2>&1 200>&-
# run debootstick init procedure
/opt/debootstick/live/init/first-init.sh
}
# several getty processes will be spawned concurrently,
# we have to use a lock
{
flock 200
if [ -f "${GETTY_COMMAND}.orig" ]
then
# original getty not restored yet
# => this means we are first, we will do the job.
(first_init) # execute in a sub-shell
# restore original getty
mv "${GETTY_COMMAND}.orig" "$GETTY_COMMAND"
fi
} 200>/var/lib/debootstick-init.lock
exec "$GETTY_COMMAND" "$@"
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