modules.d/90crypt/crypt-run-generator.sh

   1 #!/bin/sh
   2 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
   3 # ex: ts=8 sw=4 sts=4 et filetype=sh
   4
   5 . /lib/dracut-lib.sh
   6
   7 dev=$1
   8 luks=$2
   9
  10 if [ -f /etc/crypttab ]; then
  11     while read l rest; do
  12         strstr "${l##luks-}" "${luks##luks-}" && exit 0
  13     done < /etc/crypttab
  14 fi
  15
  16 allowdiscards="-"
  17
  18 # parse for allow-discards
  19 if strstr "$(cryptsetup --help)" "allow-discards"; then
  20     if discarduuids=$(getargs "rd.luks.allow-discards"); then
  21         discarduuids=$(str_replace "$discarduuids" 'luks-' '')
  22         if strstr " $discarduuids " " ${luks##luks-}"; then
  23             allowdiscards="allow-discards"
  24         fi
  25     elif getargbool 0 rd.luks.allow-discards; then
  26         allowdiscards="allow-discards"
  27     fi
  28 fi
  29
  30 echo "$luks $dev - timeout=0,$allowdiscards" >> /etc/crypttab
  31
  32 if command -v systemctl >/dev/null; then
  33     systemctl daemon-reload
  34     systemctl start cryptsetup.target
  35 fi
  36 exit 0