community/cronie: improve init.d, warn on crond

see #14518

community/cronie/APKBUILD

@@ -2,12 +2,13 @@
 # Maintainer: Mark Hills <mark@xwax.org>
 pkgname=cronie
 pkgver=1.6.1
-pkgrel=0
+pkgrel=1
 pkgdesc="The standard UNIX daemon crond that runs specified programs at scheduled times"
 url="https://github.com/cronie-crond/cronie"
 arch="all"
 license="ISC"
-makedepends="autoconf automake musl-obstack-dev"
+install="$pkgname-openrc.post-install"
+makedepends="musl-obstack-dev"
 options="suid !check" # No testsuite
 subpackages="$pkgname-doc $pkgname-openrc"
 source="
@@ -51,6 +52,6 @@ package() {
 
 sha512sums="
 610fb21077fde08f2cf302e26c9b71aa711b8f4ac1e8a4e9f9f70d616d916965673e836f48b79c4b75de4a93ab893f62887263dce214d6e064fc41fcf0f4093d  cronie-1.6.1.tar.gz
-309ac59de5212e814e8f68f0619e91a1459092392dd38d85c72740c635a6e50f232cfcdb883eccff203c7254bc94f60fe203150137a0862c3802ace58d5fcc22  cronie.initd
+ea0795420bc2a9c770c2950c066dc19655056c9e4e6d7277d5deade5144b988f2df806fe025a8fce67fe9bab73a25332f141395c222f2d2a62a41a874ce98dc8  cronie.initd
 caabbeb35c8bfed5f139063416cb6667ab066918e8ef57b057bf4d7bbb005ad6cc5d34687e52ed22f8152e61f4c35709e895652497600a7194cdfb04d48ca152  cronie.confd
 "

community/cronie/cronie-openrc.post-install

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+if rc-status -a | grep -q crond; then
+	cat >&2 <<-EOF
+	*
+	* you have installed the cronie openrc service,
+	* but the "crond" service is detected as running/enabled.
+	* if you wish to use cronie, ensure that you remove the "crond"
+	* service:
+	*  rc-update del crond
+	* and enable the "cronie" service:
+	*  rc-update add cronie
+	* keeping cronie installed while using the "crond" service
+	* will instead start cronie with potentially different arguments
+	* than expected.
+	EOF
+fi

community/cronie/cronie.initd

@@ -1,8 +1,10 @@
 #!/sbin/openrc-run
 
-name="$SVCNAME"
+name="$RC_SVCNAME"
 command="/usr/sbin/crond"
-command_args="$CRON_OPTS"
+command_args="$CRON_OPTS -n"
+command_background=true
+pidfile="/run/$RC_SVCNAME.pid"
 
 depend() {
 	provide cron