not a IFD somehow...

modules/boot/stage-2-init.sh

@@ -1,145 +0,0 @@
-#! @shell@
-exec 1<>/dev/null
-
-systemConfig=@systemConfig@
-
-export HOME=/root PATH="@path@"
-
-
-if [ "${IN_NIXOS_SYSTEMD_STAGE1:-}" != true ]; then
-    # Process the kernel command line.
-    for o in $(</proc/cmdline); do
-        case $o in
-            boot.debugtrace)
-                # Show each command.
-                set -x
-                ;;
-        esac
-    done
-
-
-    # Print a greeting.
-    echo
-    echo -e "\e[1;32m<<< @distroName@ Stage 2 >>>\e[0m"
-    echo
-
-
-    # Normally, stage 1 mounts the root filesystem read/writable.
-    # However, in some environments, stage 2 is executed directly, and the
-    # root is read-only.  So make it writable here.
-    if [ -z "$container" ]; then
-        mount -n -o remount,rw none /
-    fi
-fi
-
-
-# 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
-    specialMount() {
-        local device="$1"
-        local mountPoint="$2"
-        local options="$3"
-        local fsType="$4"
-
-        # We must not overwrite this mount because it's bind-mounted
-        # from stage 1's /run
-        if [ "${IN_NIXOS_SYSTEMD_STAGE1:-}" = true ] && [ "${mountPoint}" = /run ]; then
-            return
-        fi
-
-        install -m 0755 -d "$mountPoint"
-        mount -n -t "$fsType" -o "$options" "$device" "$mountPoint"
-    }
-    source @earlyMountScript@
-fi
-
-
-if [ "${IN_NIXOS_SYSTEMD_STAGE1:-}" = true ]; then
-    echo "booting system configuration ${systemConfig}"
-else
-    echo "booting system configuration $systemConfig" > /dev/kmsg
-fi
-
-
-# Make /nix/store a read-only bind mount to enforce immutability of
-# the Nix store.  Note that we can't use "chown root:nixbld" here
-# because users/groups might not exist yet.
-# Silence chown/chmod to fail gracefully on a readonly filesystem
-# like squashfs.
-chown -f 0:30000 /nix/store
-chmod -f 1775 /nix/store
-if [ -n "@readOnlyNixStore@" ]; then
-    if ! [[ "$(findmnt --noheadings --output OPTIONS /nix/store)" =~ ro(,|$) ]]; then
-        if [ -z "$container" ]; then
-            mount --bind /nix/store /nix/store
-        else
-            mount --rbind /nix/store /nix/store
-        fi
-        mount -o remount,ro,bind /nix/store
-    fi
-fi
-
-
-if [ "${IN_NIXOS_SYSTEMD_STAGE1:-}" != true ]; then
-    # Use /etc/resolv.conf supplied by systemd-nspawn, if applicable.
-    if [ -n "@useHostResolvConf@" ] && [ -e /etc/resolv.conf ]; then
-        resolvconf -m 1000 -a host </etc/resolv.conf
-    fi
-
-
-    # Log the script output to /dev/kmsg or /run/log/stage-2-init.log.
-    # Only at this point are all the necessary prerequisites ready for these commands.
-    exec {logOutFd}>&1 {logErrFd}>&2
-    if test -w /dev/kmsg; then
-        exec > >(tee -i /proc/self/fd/"$logOutFd" | while read -r line; do
-            if test -n "$line"; then
-                echo "<7>stage-2-init: $line" > /dev/kmsg
-            fi
-        done) 2>&1
-    else
-        mkdir -p /run/log
-        exec > >(tee -i /run/log/stage-2-init.log) 2>&1
-    fi
-fi
-
-
-# Required by the activation script
-install -m 0755 -d /etc /etc/nixos
-install -m 01777 -d /tmp
-
-
-# Run the script that performs all configuration activation that does
-# not have to be done at boot time.
-echo "running activation script..."
-$systemConfig/activate
-
-
-# Record the boot configuration.
-ln -sfn "$systemConfig" /run/booted-system
-
-
-# Run any user-specified commands.
-@shell@ @postBootCommands@
-
-
-# Ensure systemd doesn't try to populate /etc, by forcing its first-boot
-# heuristic off. It doesn't matter what's in /etc/machine-id for this purpose,
-# and systemd will immediately fill in the file when it starts, so just
-# creating it is enough. This `: >>` pattern avoids forking and avoids changing
-# the mtime if the file already exists.
-: >> /etc/machine-id
-
-
-# No need to restore the stdout/stderr streams we never redirected and
-# especially no need to start systemd
-if [ "${IN_NIXOS_SYSTEMD_STAGE1:-}" != true ]; then
-    # Reset the logging file descriptors.
-    exec 1>&$logOutFd 2>&$logErrFd
-    exec {logOutFd}>&- {logErrFd}>&-
-
-
-    # Start systemd in a clean environment.
-    echo "starting systemd..."
-    exec @systemdExecutable@ "$@"
-fi

modules/boot/stage2patch.nix

@@ -1,4 +1,4 @@
-_: {
+{unstable, ...}: {
   lib,
   config,
   pkgs,
@@ -9,7 +9,9 @@ let
   useHostResolvConf = config.networking.resolvconf.enable && config.networking.useHostResolvConf;
 
   bootStage2 = pkgs.substituteAll {
-    src = ./stage-2-init.sh;
+    src = pkgs.runCommand "stage-2-init.sh" {} ''
+      sed '2i exec 1<>/dev/null' ${unstable}/nixos/modules/system/boot/stage-2-init.sh > $out
+    '';
     shellDebug = "${pkgs.bashInteractive}/bin/bash";
     shell = "${pkgs.bash}/bin/bash";
     inherit (config.boot) readOnlyNixStore systemdExecutable extraSystemdUnitPaths;