61 lines
No EOL
2 KiB
Bash
61 lines
No EOL
2 KiB
Bash
#!/bin/bash
|
|
|
|
echo "zfs-generator: starting" >> /dev/kmsg
|
|
|
|
GENERATOR_DIR="$1"
|
|
[ -n "$GENERATOR_DIR" ] || {
|
|
echo "zfs-generator: no generator directory specified, exiting" >> /dev/kmsg
|
|
exit 1
|
|
}
|
|
|
|
[ -f /lib/dracut-lib.sh ] && dracutlib=/lib/dracut-lib.sh
|
|
[ -f /usr/lib/dracut/modules.d/99base/dracut-lib.sh ] && dracutlib=/usr/lib/dracut/modules.d/99base/dracut-lib.sh
|
|
|
|
type getarg >/dev/null 2>&1 || {
|
|
echo "zfs-generator: loading Dracut library from $dracutlib" >> /dev/kmsg
|
|
. "$dracutlib"
|
|
}
|
|
|
|
[ -z "$root" ] && root=$(getarg root=)
|
|
[ -z "$rootfstype" ] && rootfstype=$(getarg rootfstype=)
|
|
[ -z "$rootflags" ] && rootflags=$(getarg rootflags=)
|
|
|
|
# If root is not ZFS= or zfs: or rootfstype is not zfs
|
|
# then we are not supposed to handle it.
|
|
[ "${root##zfs:}" = "${root}" -a "${root##ZFS=}" = "${root}" -a "$rootfstype" != "zfs" ] && exit 0
|
|
|
|
rootfstype=zfs
|
|
if echo "${rootflags}" | grep -Eq '^zfsutil$|^zfsutil,|,zfsutil$|,zfsutil,' ; then
|
|
true
|
|
elif test -n "${rootflags}" ; then
|
|
rootflags="zfsutil,${rootflags}"
|
|
else
|
|
rootflags=zfsutil
|
|
fi
|
|
|
|
echo "zfs-generator: writing extension for sysroot.mount to $GENERATOR_DIR"/sysroot.mount.d/zfs-enhancement.conf >> /dev/kmsg
|
|
|
|
[ -d "$GENERATOR_DIR" ] || mkdir "$GENERATOR_DIR"
|
|
[ -d "$GENERATOR_DIR"/sysroot.mount.d ] || mkdir "$GENERATOR_DIR"/sysroot.mount.d
|
|
|
|
{
|
|
echo "[Unit]"
|
|
echo "Before=initrd-root-fs.target"
|
|
echo "After=zfs-import.target"
|
|
echo "[Mount]"
|
|
if [ "${root}" = "zfs:AUTO" ] ; then
|
|
echo "PassEnvironment=BOOTFS"
|
|
echo 'What=${BOOTFS}'
|
|
else
|
|
root="${root##zfs:}"
|
|
root="${root##ZFS=}"
|
|
echo "What=${root}"
|
|
fi
|
|
echo "Type=${rootfstype}"
|
|
echo "Options=${rootflags}"
|
|
} > "$GENERATOR_DIR"/sysroot.mount.d/zfs-enhancement.conf
|
|
|
|
[ -d "$GENERATOR_DIR"/initrd-root-fs.target.requires ] || mkdir -p "$GENERATOR_DIR"/initrd-root-fs.target.requires
|
|
ln -s ../sysroot.mount "$GENERATOR_DIR"/initrd-root-fs.target.requires/sysroot.mount
|
|
|
|
echo "zfs-generator: finished" >> /dev/kmsg |