Add grub-update-hook

Author: santilococo

.github/workflows/main.yml

@@ -15,7 +15,7 @@ jobs:
                   'cslock-git|N', 'cdmenu-git|N', 'pvs-studio|N', 'knock-git|N', 'hakrawler-git|Y', 'bashmount|Y', 
                   'bashmount-git|Y', 'firefox-sync|Y', 'pdd-git|Y', 'onivim2-nightly-bin|Y', 'python-isr-git|Y', 
                   'repostat-git|Y', 'python-upnpclient|Y', 'imgur.sh|Y', 'vidmerger-bin|Y', 'vidmerger-git|Y',
-                  'paisa-git|Y', 'paisa-bin|Y', 'pdfjumbler|Y', 'pdfjumbler-git|Y', 'passhole-git|N']
+                  'paisa-git|Y', 'paisa-bin|Y', 'pdfjumbler|Y', 'pdfjumbler-git|Y', 'passhole-git|N', 'grub-update-hook|N']
     steps:
       - name: Set env variables
         run: |

grub-update-hook/PKGBUILD

@@ -0,0 +1,18 @@
+# Maintainer: Santiago Lo Coco <mail at slococo dot com dot ar>
+
+pkgname=grub-update-hook
+pkgver=20250517
+pkgrel=1
+pkgdesc="Pacman hook to update GRUB after a kernel update."
+arch=('any')
+url='https://wiki.archlinux.org/title/GRUB#Warning_to_perform_grub-install/grub-mkconfig_at_each_grub_update'
+license=('GPL')
+depends=('grub')
+_hookname="${pkgname%-hook}.hook"
+source=("${_hookname}")
+sha256sums=('4dfddd46ca0c68e1cd7247e98ee75bef91a6946ae3cde514aff86f6edac0cffe')
+
+package() {
+    install -Dm 755 "${_hookname}" "${pkgdir}/etc/pacman.d/hooks/${_hookname}"
+}
+

grub-update-hook/grub-update.hook

@@ -0,0 +1,11 @@
+[Trigger]
+Operation = Upgrade
+
+Type = Package
+Target = grub
+
+[Action]
+Description = Regenerate grub if updated
+When = PostTransaction
+Depends = grub
+Exec = /bin/sh -c "/usr/bin/grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=GRUB && /usr/bin/grub-mkconfig -o /boot/grub/grub.cfg"