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

   1 #!/bin/sh
   2 # shellcheck disable=SC2016,SC1004,SC2154
   3
   4 grep -wq debug /proc/cmdline && debug=1
   5 [ -n "$debug" ] && echo "zfs-generator: starting" >> /dev/kmsg
   6
   7 GENERATOR_DIR="$1"
   8 [ -n "$GENERATOR_DIR" ] || {
   9     echo "zfs-generator: no generator directory specified, exiting" >> /dev/kmsg
  10     exit 1
  11 }
  12
  13 # shellcheck source=zfs-lib.sh.in
  14 . /lib/dracut-zfs-lib.sh
  15 decode_root_args || exit 0
  16
  17 [ -n "$debug" ] && echo "zfs-generator: writing extension for sysroot.mount to $GENERATOR_DIR/sysroot.mount.d/zfs-enhancement.conf" >> /dev/kmsg
  18
  19
  20 mkdir -p "$GENERATOR_DIR"/sysroot.mount.d "$GENERATOR_DIR"/dracut-pre-mount.service.d
  21
  22 {
  23     echo "[Unit]"
  24     echo "Before=initrd-root-fs.target"
  25     echo "After=zfs-import.target"
  26     echo
  27     echo "[Mount]"
  28     echo "PassEnvironment=BOOTFS BOOTFSFLAGS"
  29     echo 'What=${BOOTFS}'
  30     echo "Type=zfs"
  31     echo 'Options=${BOOTFSFLAGS}'
  32 } > "$GENERATOR_DIR"/sysroot.mount.d/zfs-enhancement.conf
  33 ln -fs ../sysroot.mount "$GENERATOR_DIR"/initrd-root-fs.target.requires/sysroot.mount
  34
  35 {
  36     echo "[Unit]"
  37     echo "After=zfs-import.target"
  38 } > "$GENERATOR_DIR"/dracut-pre-mount.service.d/zfs-enhancement.conf
  39
  40 [ -n "$debug" ] && echo "zfs-generator: finished" >> /dev/kmsg
  41
  42 exit 0