main/kmod: support merged /usr

This changes the APKBUILD trigger to also monitor /usr/lib/modules, and fixes the trigger to grep the kernel version for depmod from a usr-merged path.

main/kmod/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=kmod
 pkgver=32
-pkgrel=3
+pkgrel=4
 pkgdesc="Linux kernel module management utilities"
 url="http://git.kernel.org/?p=utils/kernel/kmod/kmod.git;a=summary"
 arch="all"
@@ -12,7 +12,7 @@ license="GPL-2.0-or-later"
 makedepends_build="sed libxslt"
 makedepends_host="$depends_dev zlib-dev xz-dev zstd-dev openssl-dev>3"
 makedepends="$makedepends_build $makedepends_host"
-triggers="$pkgname.trigger=/lib/modules/*"
+triggers="$pkgname.trigger=/lib/modules/*:/usr/lib/modules/*"
 subpackages="
 	$pkgname-dev
 	$pkgname-doc

main/kmod/kmod.trigger

@@ -2,7 +2,7 @@
 
 for i in "$@"; do
 	if [ -e "$i"/modules.order ]; then
-		/sbin/depmod ${i#/lib/modules/}
+		/sbin/depmod "${i#*/lib/modules/}"
 	else
 		#clean up on uninstall
 		rm -f "$i"/modules.alias \