Revert "nixos stage-1: try to quit plymouth if started on failure"

This reverts commit c69c76c.

This patch was messed up during a rebase -- the commit title doesn't match what
it really does at all (it is actually a broken attempt to get LUKS passphrase
prompts in Plymouth).

nixos/modules/system/boot/luksroot.nix

@@ -36,7 +36,7 @@ let
           ${optionalString (header != null) "--header=${header}"} \
           ${optionalString (keyFile != null) "--key-file=${keyFile} ${optionalString (keyFileSize != null) "--keyfile-size=${toString keyFileSize}"}"} \
           > /.luksopen_args
-        get_password "Enter LUKS Passphrase" cryptsetup-askpass
+        cryptsetup-askpass
         rm /.luksopen_args
     }
 
@@ -78,7 +78,9 @@ let
         for try in $(seq 3); do
 
             ${optionalString yubikey.twoFactor ''
-            k_user="$(get_password "Enter two-factor passphrase" cat)"
+            echo -n "Enter two-factor passphrase: "
+            read -s k_user
+            echo
             ''}
 
             if [ ! -z "$k_user" ]; then
@@ -461,26 +463,6 @@ in
       ''}
     '';
 
-    boot.initrd.preDeviceCommands = ''
-      get_password() {
-        local ret
-        local reply
-        local tty_stat
-
-        tty_stat="$(stty -g)"
-        stty -echo
-        for i in `seq 1 3`; do
-          echo -n "$1: "
-          read reply
-          echo "$reply" | "$2"
-          if [ "$?" = "0" ]; then
-            break
-          fi
-        done
-        stty "$tty_stat"
-      }
-    '';
-
     boot.initrd.preLVMCommands = concatStrings (mapAttrsToList openCommand preLVM);
     boot.initrd.postDeviceCommands = concatStrings (mapAttrsToList openCommand postLVM);
 

nixos/modules/system/boot/stage-1-init.sh

@@ -14,9 +14,6 @@ export LVM_SUPPRESS_FD_WARNINGS=true
 fail() {
     if [ -n "$panicOnFail" ]; then exit 1; fi
 
-    # If we have a splash screen started, quit it.
-    command -v plymouth >/dev/null 2>&1 && plymouth quit
-
     # If starting stage 2 failed, allow the user to repair the problem
     # in an interactive shell.
     cat <<EOF