cleanup old mkinitcpio preset

README.md

 # Shared bootdir helper
 
+> Sharing the same `/boot` between multiple linux installations.
+
 Background: <https://recolic.net/blog/post/deniable-encryption-and-shared-boot-partition>
 
-You may have multiple linux installations, and they want to share the same `/boot` directory. 
-However, each of them want different kernel paramters. 
+You have multiple linux installations, with the same `/boot`. 
+However, each of them want different kernel paramters.
 
 This scenario usually appears while you want to deniable-encrypt all your computers, without 
-bringing tons of USB sticks with you. 
+bringing many USB sticks with you. 
 
 ## Problem1 - multiple installations may share the same vmlinuz filename
 

src/hook-kernel-rename.sh

@@ -51,5 +51,8 @@ while read -r line; do
 
     echo "Renamed pkgbase from $pkgbase to $new_pkgbase successfully. " 1>&2 || 
     exit $? # Crash on error
+
+    # Remove old mkinitcpio presets
+    [[ -f "/etc/mkinitcpio.d/${pkgbase}.preset" ]] && mv "/etc/mkinitcpio.d/${pkgbase}.preset" "/etc/mkinitcpio.d/${pkgbase}.preset.pacsave" && echo "Did old mkinitcpio.preset cleanup."
 done