prometheus-ping-exporter: add post upgrade with setcap

prometheus-ping-exporter/APKBUILD

@@ -2,7 +2,7 @@
 pkgname=prometheus-ping-exporter
 _pkgname=ping_exporter
 pkgver=1.0.0
-pkgrel=4
+pkgrel=5
 pkgdesc="Prometheus exporter for machine metrics"
 url="https://github.com/czerwonk/ping_exporter"
 license="MIT"

prometheus-ping-exporter/prometheus-ping-exporter.post-upgrade

+#!/bin/sh
+
+setcap cap_net_raw+eip /usr/bin/ping_exporter
+
+exit 0

prometheus-ping-exporter/prometheus-ping-exporter.pre-install

@@ -2,5 +2,6 @@
 
 addgroup -S prometheus 2>/dev/null
 adduser -S -D -h /var/lib/prometheus -s /sbin/nologin -G prometheus -g prometheus prometheus 2>/dev/null
+setcap cap_net_raw+eip /usr/bin/ping_exporter
 
 exit 0