Move all of NixOS to nixos/ in preparation of the repository merge

1 files changed, 173 insertions, 0 deletions

diff --git a/nixos/modules/system/boot/stage-2-init.sh b/nixos/modules/system/boot/stage-2-init.sh
new file mode 100644
index 000000000000..2fadd3de1f0f
--- /dev/null
+++ b/nixos/modules/system/boot/stage-2-init.sh
@@ -0,0 +1,173 @@
+#! @shell@
+
+systemConfig=@systemConfig@
+
+export HOME=/root
+
+
+# Print a greeting.
+echo
+echo -e "\e[1;32m<<< NixOS Stage 2 >>>\e[0m"
+echo
+
+
+# Set the PATH.
+setPath() {
+    local dirs="$1"
+    export PATH=/empty
+    for i in $dirs; do
+        PATH=$PATH:$i/bin
+        if test -e $i/sbin; then
+            PATH=$PATH:$i/sbin
+        fi
+    done
+}
+
+setPath "@path@"
+
+
+# Normally, stage 1 mounts the root filesystem read/writable.
+# However, in some environments, stage 2 is executed directly, and the
+# root is read-only.  So make it writable here.
+mount -n -o remount,rw /
+
+
+# Likewise, stage 1 mounts /proc, /dev and /sys, so if we don't have a
+# stage 1, we need to do that here.
+if [ ! -e /proc/1 ]; then
+    mkdir -m 0755 -p /proc
+    mount -n -t proc none /proc
+    mkdir -m 0755 -p /dev
+    mount -t devtmpfs none /dev
+fi
+
+
+echo "booting system configuration $systemConfig" > /dev/kmsg
+
+
+# Make /nix/store a read-only bind mount to enforce immutability of
+# the Nix store.  Note that we can't use "chown root:nixbld" here
+# because users/groups might not exist yet.
+chown 0:30000 /nix/store
+chmod 1775 /nix/store
+if [ -n "@readOnlyStore@" ]; then
+    if ! readonly-mountpoint /nix/store; then
+        mount --bind /nix/store /nix/store
+        mount -o remount,ro,bind /nix/store
+    fi
+fi
+
+
+# Provide a /etc/mtab.
+mkdir -m 0755 -p /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
+
+
+# Process the kernel command line.
+for o in $(cat /proc/cmdline); do
+    case $o in
+        boot.debugtrace)
+            # Show each command.
+            set -x
+            ;;
+        resume=*)
+            set -- $(IFS==; echo $o)
+            resumeDevice=$2
+            ;;
+    esac
+done
+
+
+# More special file systems, initialise required directories.
+mkdir -m 0755 /dev/shm
+mount -t tmpfs -o "rw,nosuid,nodev,size=@devShmSize@" tmpfs /dev/shm
+mkdir -m 0755 -p /dev/pts
+[ -e /proc/bus/usb ] && mount -t usbfs none /proc/bus/usb # UML doesn't have USB by default
+mkdir -m 01777 -p /tmp
+mkdir -m 0755 -p /var /var/log /var/lib /var/db
+mkdir -m 0755 -p /nix/var
+mkdir -m 0700 -p /root
+mkdir -m 0755 -p /bin # for the /bin/sh symlink
+mkdir -m 0755 -p /home
+mkdir -m 0755 -p /etc/nixos
+
+
+# Miscellaneous boot time cleanup.
+rm -rf /var/run /var/lock
+rm -f /etc/resolv.conf
+touch /etc/resolv.conf
+rm -f /etc/{group,passwd,shadow}.lock
+
+if test -n "@cleanTmpDir@"; then
+    echo -n "cleaning \`/tmp'..."
+    find /tmp -maxdepth 1 -mindepth 1 -print0 | xargs -0r rm -rf --one-file-system
+    echo " done"
+else
+    # Get rid of ICE locks...
+    rm -rf /tmp/.ICE-unix
+fi
+
+# ... and ensure that it's owned by root.
+mkdir -m 1777 /tmp/.ICE-unix
+
+# This is a good time to clean up /nix/var/nix/chroots.  Doing an `rm
+# -rf' on it isn't safe in general because it can contain bind mounts
+# to /nix/store and other places.  But after rebooting these are all
+# gone, of course.
+rm -rf /nix/var/nix/chroots # recreated in activate-configuration.sh
+
+
+# Also get rid of temporary GC roots.
+rm -rf /nix/var/nix/gcroots/tmp /nix/var/nix/temproots
+
+
+# Create a tmpfs on /run to hold runtime state for programs such as
+# udev (if stage 1 hasn't already done so).
+if ! mountpoint -q /run; then
+    rm -rf /run
+    mkdir -m 0755 -p /run
+    mount -t tmpfs -o "mode=0755,size=@runSize@" none /run
+fi
+
+mkdir -m 0755 -p /run/lock
+
+
+# For backwards compatibility, symlink /var/run to /run, and /var/lock
+# to /run/lock.
+ln -s /run /var/run
+ln -s /run/lock /var/lock
+
+
+# Clear the resume device.
+if test -n "$resumeDevice"; then
+    mkswap "$resumeDevice" || echo 'Failed to clear saved image.'
+fi
+
+
+# Run the script that performs all configuration activation that does
+# not have to be done at boot time.
+echo "running activation script..."
+$systemConfig/activate
+
+
+# Record the boot configuration.
+ln -sfn "$systemConfig" /run/booted-system
+
+# Prevent the booted system form 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@
+
+
+# Start systemd.
+echo "starting systemd..."
+PATH=/run/current-system/systemd/lib/systemd \
+    MODULE_DIR=/run/booted-system/kernel-modules/lib/modules \
+    LOCALE_ARCHIVE=/run/current-system/sw/lib/locale/locale-archive \
+    exec systemd --log-target=journal # --log-level=debug --log-target=console --crash-shell