testing/metricbeat: upgrade to 7.13.1 and modernize

testing/metricbeat/APKBUILD

 # Contributor: Ramanathan Sivagurunathan <ramzthecoder@gmail.com>
 # Maintainer: Ramanathan Sivagurunathan <ramzthecoder@gmail.com>
 pkgname=metricbeat
-pkgver=6.2.3
-pkgrel=3
+pkgver=7.13.1
+pkgrel=0
 pkgdesc="MetricBeat - Lightweight shipper for system and service statistics"
 pkgusers="root"
 url="https://www.elastic.co/products/beats"
 arch="all !aarch64 !armhf !armv7"
-license="ASL 2.0"
-depends=""
+license="Apache-2.0"
 makedepends="go"
-install=""
-subpackages=""
-source="beats-${pkgver}.tar.gz::https://github.com/elastic/beats/archive/v$pkgver.tar.gz
+subpackages="$pkgname-openrc"
+source="beats-$pkgver.tar.gz::https://github.com/elastic/beats/archive/v$pkgver.tar.gz
 	metricbeat.initd
 	metricbeat.confd
 	metricbeat.yml
 	"
-builddir="$srcdir/src/github.com/elastic/beats/$pkgname"
 
-prepare() {
-	mkdir -p "$srcdir/src/github.com/elastic/"
-	mv "$srcdir/beats-${pkgver}" "$srcdir/src/github.com/elastic/beats" || return 1
-	default_prepare
-}
+builddir="$srcdir/beats-$pkgver"
+
+export GOPATH="$srcdir/go"
+export GOCACHE="$srcdir/go-build"
+export GOTEMPDIR="$srcdir/go"
+
+export GOFLAGS="$GOFLAGS -modcacherw"
 
 build() {
-	cd "$builddir"
-	GOPATH="$srcdir" go build -v || return 1
+	mkdir -p bin
+	go build -o bin/ -v github.com/elastic/beats/v7/metricbeat
+}
+
+check() {
+	go test -v github.com/elastic/beats/v7/metricbeat
 }
 
 package() {
-	cd "$builddir"
-	install -Dm755 "$srcdir"/$pkgname.initd "$pkgdir"/etc/init.d/$pkgname || return 1
-	install -Dm644 "$srcdir"/$pkgname.confd "$pkgdir"/etc/conf.d/$pkgname || return 1
-	install -Dm644 "$srcdir/metricbeat.yml" "$pkgdir/etc/$pkgname/metricbeat.yml" || return 1
-	install -Dm755 "$builddir/metricbeat" "$pkgdir/usr/bin/metricbeat" || return 1
+	install -Dm755 "$srcdir"/$pkgname.initd "$pkgdir"/etc/init.d/$pkgname
+	install -Dm644 "$srcdir"/$pkgname.confd "$pkgdir"/etc/conf.d/$pkgname
+	install -Dm644 "$srcdir/metricbeat.yml" "$pkgdir/etc/$pkgname/metricbeat.yml"
+	install -Dm755 "bin/metricbeat" "$pkgdir/usr/bin/metricbeat"
 }
 
-sha512sums="b0628bc8df6460ac6b1610d7bb6cc2bb93898887f0617324d79727dbeca5cce6de28dc8b584663c66888fc23912ced1b3e231c046ecb343e09899df3026c997e  beats-6.2.3.tar.gz
+sha512sums="
+25b3b0f7dc27777b5cb934163291060a0dbdeadc2b64e36913ff56de57d8b25578db2fda7d093c4041bf9a04776c970e039402f9c0022cca0cf1cd045fc257c0  beats-7.13.1.tar.gz
 a846db44732077c38fd0699592ad27371af75ee8a53419c79197c4e5d727e1745c5145ebefd21073304cb624c5947686626f693e87406b122892f99cebe38f5b  metricbeat.initd
 91fad211c1ac8b3bb97848f1ff97f7e708cfd100b174ae1839c4dd60d501cd8b7b4e9f0f4dbb936134c4ef19595bf39c53b256990f08f003c3e88893e0c94212  metricbeat.confd
-b05e083c2ea2337cebd650f2898385ff40fb7f4fe2d7d46109cec3e960d80566129756e8a45e71ed53ec40c33539295453d363feafb60caec8747ae8d09f9124  metricbeat.yml"
+b05e083c2ea2337cebd650f2898385ff40fb7f4fe2d7d46109cec3e960d80566129756e8a45e71ed53ec40c33539295453d363feafb60caec8747ae8d09f9124  metricbeat.yml
+"