Merge pull request #165684 from helsinki-systems/clean/stage-2-init

            # Show each command.

            set -x

            ;;

        resume=*)

            set -- $(IFS==; echo $o)

            resumeDevice=$2

            ;;

    esac

done

fi

# Provide a /etc/mtab.

install -m 0755 -d /etc

test -e /etc/fstab || touch /etc/fstab # to shut up mount

rm -f /etc/mtab* # not that we care about stale locks

ln -s /proc/mounts /etc/mtab

# More special file systems, initialise required directories.

[ -e /proc/bus/usb ] && mount -t usbfs usbfs /proc/bus/usb # UML doesn't have USB by default

install -m 01777 -d /tmp

install -m 0755 -d /var/{log,lib,db} /nix/var /etc/nixos/ \

    /run/lock /home /bin # for the /bin/sh symlink

# Miscellaneous boot time cleanup.

rm -rf /var/run /var/lock

rm -f /etc/{group,passwd,shadow}.lock

# Also get rid of temporary GC roots.

rm -rf /nix/var/nix/gcroots/tmp /nix/var/nix/temproots

# For backwards compatibility, symlink /var/run to /run, and /var/lock

# to /run/lock.

ln -s /run /var/run

ln -s /run/lock /var/lock

# Clear the resume device.

if test -n "$resumeDevice"; then

    mkswap "$resumeDevice" || echo 'Failed to clear saved image.'

fi

# Use /etc/resolv.conf supplied by systemd-nspawn, if applicable.

if [ -n "@useHostResolvConf@" ] && [ -e /etc/resolv.conf ]; then

    resolvconf -m 1000 -a host </etc/resolv.conf

fi

# Log the script output to /dev/kmsg or /run/log/stage-2-init.log.

# Only at this point are all the necessary prerequisites ready for these commands.

exec {logOutFd}>&1 {logErrFd}>&2

$systemConfig/activate

# Restore the system time from the hardware clock.  We do this after

# running the activation script to be sure that /etc/localtime points

# at the current time zone.

if [ -e /dev/rtc ]; then

    hwclock --hctosys

fi

# Record the boot configuration.

ln -sfn "$systemConfig" /run/booted-system

# Prevent the booted system from being garbage-collected. If it weren't

# a gcroot, if we were running a different kernel, switched system,

# and garbage collected all, we could not load kernel modules anymore.

ln -sfn /run/booted-system /nix/var/nix/gcroots/booted-system

# Run any user-specified commands.

@shell@ @postBootCommands@

        '';

      })

    ];

    systemd.tmpfiles.rules = [

      "d  /etc/nixos                         0755 root root - -"

      "d  /nix/var                           0755 root root - -"

      "L+ /nix/var/nix/gcroots/booted-system 0755 root root - /run/booted-system"

      "d  /run/lock                          0755 root root - -"

      "d  /var/db                            0755 root root - -"

      "L  /etc/mtab                          -    -    -    - ../proc/mounts"

      "L  /var/lock                          -    -    -    - ../run/lock"

      # Boot-time cleanup

      "R! /etc/group.lock                    -    -    -    - -"

      "R! /etc/passwd.lock                   -    -    -    - -"

      "R! /etc/shadow.lock                   -    -    -    - -"

      "R! /etc/mtab*                         -    -    -    - -"

      "R! /nix/var/nix/gcroots/tmp           -    -    -    - -"

      "R! /nix/var/nix/temproots             -    -    -    - -"

    ];

  };

}

      resume = create_named_machine("resume")

      resume.start()

      resume.succeed("grep 'not persisted to disk' /run/test/suspended")

      # Ensure we don't restore from hibernation when booting again

      resume.crash()

      resume.wait_for_unit("default.target")

      resume.fail("grep 'not persisted to disk' /run/test/suspended")

    '';

}