zfs/contrib/dracut/90zfs/zfs-generator.sh.in

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#!/bin/sh
# shellcheck disable=SC2016,SC1004,SC2154
grep -wq debug /proc/cmdline && debug=1
[ -n "$debug" ] && echo "zfs-generator: starting" >> /dev/kmsg
GENERATOR_DIR="$1"
[ -n "$GENERATOR_DIR" ] || {
echo "zfs-generator: no generator directory specified, exiting" >> /dev/kmsg
exit 1
}
# shellcheck source=zfs-lib.sh.in
. /lib/dracut-zfs-lib.sh
decode_root_args || exit 0
[ -n "$debug" ] && echo "zfs-generator: writing extension for sysroot.mount to $GENERATOR_DIR/sysroot.mount.d/zfs-enhancement.conf" >> /dev/kmsg
mkdir -p "$GENERATOR_DIR"/sysroot.mount.d "$GENERATOR_DIR"/dracut-pre-mount.service.d
{
echo "[Unit]"
echo "Before=initrd-root-fs.target"
echo "After=zfs-import.target"
echo
echo "[Mount]"
echo "PassEnvironment=BOOTFS BOOTFSFLAGS"
echo 'What=${BOOTFS}'
echo "Type=zfs"
echo 'Options=${BOOTFSFLAGS}'
} > "$GENERATOR_DIR"/sysroot.mount.d/zfs-enhancement.conf
ln -fs ../sysroot.mount "$GENERATOR_DIR"/initrd-root-fs.target.requires/sysroot.mount
{
echo "[Unit]"
echo "After=zfs-import.target"
} > "$GENERATOR_DIR"/dracut-pre-mount.service.d/zfs-enhancement.conf
[ -n "$debug" ] && echo "zfs-generator: finished" >> /dev/kmsg
exit 0