diff options
Diffstat (limited to 'nixpkgs/nixos/modules/system/boot/stage-1-init.sh')
| -rw-r--r-- | nixpkgs/nixos/modules/system/boot/stage-1-init.sh | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/system/boot/stage-1-init.sh b/nixpkgs/nixos/modules/system/boot/stage-1-init.sh index b817a45deba..f520bf54ad1 100644 --- a/nixpkgs/nixos/modules/system/boot/stage-1-init.sh +++ b/nixpkgs/nixos/modules/system/boot/stage-1-init.sh @@ -183,6 +183,12 @@ for o in $(cat /proc/cmdline); do copytoram) copytoram=1 ;; + findiso=*) + # if an iso name is supplied, try to find the device where + # the iso resides on + set -- $(IFS==; echo $o) + isoPath=$2 + ;; esac done @@ -442,6 +448,27 @@ if test -e /sys/power/resume -a -e /sys/power/disk; then fi fi +# If we have a path to an iso file, find the iso and link it to /dev/root +if [ -n "$isoPath" ]; then + mkdir -p /findiso + + for delay in 5 10; do + blkid | while read -r line; do + device=$(echo "$line" | sed 's/:.*//') + type=$(echo "$line" | sed 's/.*TYPE="\([^"]*\)".*/\1/') + + mount -t "$type" "$device" /findiso + if [ -e "/findiso$isoPath" ]; then + ln -sf "/findiso$isoPath" /dev/root + break 2 + else + umount /findiso + fi + done + + sleep "$delay" + done +fi # Try to find and mount the root device. mkdir -p $targetRoot |