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#!/bin/sh
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
command -v 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}" ] &&
[ "${root##ZFS=}" = "${root}" ] &&
[ "$rootfstype" != "zfs" ] &&
exit 0
rootfstype=zfs
case ",${rootflags}," in
*,zfsutil,*) ;;
,,) rootflags=zfsutil ;;
*) rootflags="zfsutil,${rootflags}" ;;
esac
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
[ -d "$GENERATOR_DIR"/dracut-pre-mount.service.d ] || mkdir "$GENERATOR_DIR"/dracut-pre-mount.service.d
{
echo "[Unit]"
echo "After=zfs-import.target"
} > "$GENERATOR_DIR"/dracut-pre-mount.service.d/zfs-enhancement.conf
echo "zfs-generator: finished" >> /dev/kmsg
|
