#!/bin/bash

# Helper to call 'dmsetup setup' without syncing with udev
# and then actively create the devices with the mknodes command.
# Either pass the table contents as $2, or pipe them into the function
# dmsetup_create_noudevsync <name> [table]
(
	set -eo pipefail
	if [ -n "$2" ]; then
		printf "%s\n" "$2" | dmsetup create "$1" --noudevsync
	else
		dmsetup create "$1" --noudevsync
	fi
	dmsetup mknodes --noudevsync "$1"
	echo "dm: Created $1"
)
ret=$?

[ -b "/dev/mapper/$1" ] || ret=99
if [ $ret -ne 0 ]; then
	echo "dm: Error creating $1, removing..."
	dmsetup remove --noudevsync "$1"
fi

exit $ret