hplip: ensure CUPS PPD directory cannot be deleted by XBPS

Fixes #20689. Until XBPS can track make_dirs and prevent their removal
when other packages are removed, this is accomplished by creating an
empty hidden file in the /usr/share/cups/model.

srcpkgs/hplip/template

@@ -1,7 +1,7 @@
 # Template file for 'hplip'
 pkgname=hplip
 version=3.20.6
-revision=2
+revision=3
 build_style=gnu-configure
 pycompile_dirs="usr/share/hplip"
 configure_args="
@@ -19,8 +19,7 @@ configure_args="
  --enable-pp-build
  --with-mimedir=/usr/share/cups/mime"
 conf_files="/etc/hp/hplip.conf"
-make_dirs="/var/lib/hp 0755 root root
- /usr/share/cups/model 0755 root root"
+make_dirs="/var/lib/hp 0755 root root"
 hostmakedepends="pkg-config automake libtool python3"
 makedepends="libressl-devel python3-devel libxml2-python3 cups-devel sane-devel
  ghostscript-devel net-snmp-devel libusb-devel libjpeg-turbo-devel dbus-devel"
@@ -47,9 +46,15 @@ do_install() {
 	sed -i Makefile -e "s;ppd/hpcups/\\*.ppd.gz;;g"
 	make locatedriverdir=/usr/libexec/hplip dat2drvdir=/usr/libexec/hplip \
 		rulesdir=/usr/lib/udev/rules.d DESTDIR=${DESTDIR} install
+
 	# Move sane config to dll.d to avoid conflicts
 	vmkdir etc/sane.d/dll.d
 	mv ${DESTDIR}/etc/sane.d/dll.conf ${DESTDIR}/etc/sane.d/dll.d/hplip
+
+	# This directory is a hard requirement, prevent its removal
+	vmkdir usr/share/cups/model
+	touch ${DESTDIR}/usr/share/cups/model/.hplip
+
 	# remove autostart of hp-daemon
 	rm -rf ${DESTDIR}/etc/xdg
 	# remove unwanted files
@@ -75,7 +80,8 @@ hplip-gui_package() {
 	depends="python3-gobject python3-dbus desktop-file-utils
 	 foomatic-db foomatic-db-engine python3-distro python3-PyQt5-dbus"
 	short_desc+=" (with GUI)"
-	conflicts="hplip"
+	conflicts="${sourcepkg}"
+	provides="${sourcepkg}-${version}_${revision}"
 	pkg_install() {
 		vmove usr/bin/hp-toolbox
 		vmove usr/share/applications