plocate: better integration

* add _plocate group
* add locate alternative group
* simple pupdatedb script that does mupdatedb and plocate-build
* ship our own cron job that uses the _plocate group

srcpkgs/plocate/INSTALL

@@ -0,0 +1,7 @@
+# INSTALL
+case "$ACTION" in
+post)
+	chown root:_plocate usr/bin/plocate
+	chmod 2755 usr/bin/plocate
+	;;
+esac

srcpkgs/plocate/files/plocate.cron-daily

@@ -0,0 +1,5 @@
+#!/bin/sh
+set -e
+plocate-build /var/lib/mlocate/mlocate.db /var/lib/mlocate/plocate.db.new
+chgrp _plocate /var/lib/mlocate/plocate.db.new
+mv /var/lib/mlocate/plocate.db.new /var/lib/mlocate/plocate.db

srcpkgs/plocate/files/pupdatedb

@@ -0,0 +1,8 @@
+#!/bin/sh
+# pupdatedb [database directory] - update a database for plocate
+set -e
+dbdir=${1:-${DBDIR:-/var/lib/mlocate}}
+mupdatedb -o "${dbdir}/mlocate.db"
+plocate-build "${dbdir}/mlocate.db" "${dbdir}/plocate.db.new"
+chgrp _plocate "${dbdir}/plocate.db.new"
+mv "${dbdir}/plocate.db.new" "${dbdir}/plocate.db"

srcpkgs/plocate/template

@@ -1,7 +1,7 @@
 # Template file for 'plocate'
 pkgname=plocate
 version=1.0.6
-revision=1
+revision=2
 build_style=meson
 hostmakedepends="pkg-config"
 makedepends="libzstd-devel"
@@ -13,7 +13,21 @@ homepage="https://plocate.sesse.net/"
 distfiles="https://plocate.sesse.net/download/plocate-${version}.tar.gz"
 checksum=48338c46afca22fd6f57faf69b7816cb70516d9279eb1e5d9895a14c87dbd617
 
+system_accounts="_plocate"
+
+alternatives="
+ locate:locate:/usr/bin/plocate
+ locate:locate.1:/usr/share/man/man1/plocate.1
+ locate:updatedb:/usr/bin/pupdatedb"
+
 if [ "$XBPS_TARGET_NO_ATOMIC8" ]; then
 	makedepends+=" libatomic-devel"
 	LIBS="-latomic"
 fi
+
+post_install() {
+	# replace daily cronjob with our own version
+	rm ${DESTDIR}/etc/cron.daily/plocate
+	vinstall ${FILESDIR}/plocate.cron-daily 744 etc/cron.daily plocate-build
+	vbin ${FILESDIR}/pupdatedb
+}