gluon-lock-password: convert to invariant script and remove legacy script

package/gluon-legacy/files/lib/gluon/upgrade/lock-password/legacy/010-lock-password

@@ -1,13 +0,0 @@
-#!/bin/sh
-
-
-has_root_pwd() {
-	local pwd=$([ -f "$1" ] && cat "$1")
-	pwd="${pwd#*root:}"
-	pwd="${pwd%%:*}"
-
-	test -n "${pwd#[\!x]}"
-}
-
-
-has_root_pwd /etc/passwd || has_root_pwd /etc/shadow || passwd -l root

package/gluon-lock-password/files/lib/gluon/upgrade/lock-password/initial/010-lock-password

@@ -1,3 +0,0 @@
-#!/bin/sh
-
-passwd -l root

package/gluon-lock-password/files/lib/gluon/upgrade/lock-password/invariant/010-lock-password

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+has_root_pwd() {
+	local pwd
+
+	pwd=$([ -f "$1" ] && cat "$1")
+	pwd="${pwd#*root:}"
+	pwd="${pwd%%:*}"
+
+	test -n "${pwd}"
+}
+
+has_root_pwd /etc/shadow || passwd -l root