Print a message before we drop to a shell

This may be used by another script to determine where we managed to
boot.

patches/stage-2-init.sh

@@ -1,8 +1,6 @@
 #! @shell@
 
-set -x
-
-echo "--- starting stage 2 ---"
+#set -x
 
 systemConfig=@systemConfig@
 
@@ -10,6 +8,11 @@ export HOME=/root PATH="@path@"
 
 
 if [ "${IN_NIXOS_SYSTEMD_STAGE1:-}" != true ]; then
+    # Print a greeting.
+    echo
+    echo -e "\e[1;32m<<< @distroName@ Stage 2 >>>\e[0m"
+    echo
+
     # Process the kernel command line.
     for o in $(</proc/cmdline); do
         case $o in
@@ -28,13 +31,6 @@ if [ "${IN_NIXOS_SYSTEMD_STAGE1:-}" != true ]; then
         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.