Change maintainer, add update-script

Signed-off-by: Knut Ahlers <knut@ahlers.me>

PKGBUILD

@@ -1,4 +1,5 @@
-# Maintainer: Det <nimetonmaili g-mail> 
+# Maintainer: Knut Ahlers <knut at ahlers dot me>
+# Contributor: Det <nimetonmaili g-mail>
 # Contributors: t3ddy, Lex Rivera aka x-demon, ruario
 
 # Check for new Linux releases in: http://googlechromereleases.blogspot.com/search/label/Stable%20updates
@@ -25,9 +26,9 @@ _channel=stable
 source=("google-chrome-${_channel}_${pkgver}_amd64.deb::https://dl.google.com/linux/direct/google-chrome-${_channel}_current_amd64.deb"
         'eula_text.html'
         "google-chrome-$_channel.sh")
-md5sums=('b56349493b87666ce091e9c7ff37cee8'
-         'd50d8f0a6940791eabc41c4f64e6a3cf'
-         '99fa93d5e7fb5d622cef0f9621f3ffa3')
+sha512sums=('0e07c332a41556db263d6d1d506268a18209e6211a525c23729bf1556ac3cc18b235cf0e093350516f5f9900fb2fb843d2ea46bf6f3a1ce70076c441c5e33257'
+            'a225555c06b7c32f9f2657004558e3f996c981481dbb0d3cd79b1d59fa3f05d591af88399422d3ab29d9446c103e98d567aeafe061d9550817ab6e7eb0498396'
+            'e1a76d6aa17a13325e30329fde5d7acd5f6863c6b4fc8a9b521b1995342447ab71188b1a176b58ed95a409659936544cf4e8cb492e0fda69dabfeae24f02bbf3')
 
 ## Previous versions (also see: /var/cache/pacman/pkg/google-chrome-[^a-z]*):
 #source[0]="https://dl.google.com/linux/deb/pool/main/g/google-chrome-${_channel}/google-chrome-${_channel}_${pkgver}-1_amd64.deb"

update_version.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+set -euxo pipefail
+
+# Get channel
+CHANNEL=$(awk -F '=' '/^_channel/{ print $2 }' PKGBUILD)
+PKG="google-chrome-${CHANNEL}"
+
+# Get latest version
+VER=$(curl -sL "https://dl.google.com/linux/chrome/rpm/stable/x86_64/repodata/other.xml.gz" | gzip -df |
+	tr ' ' '\n' | grep -e name= -e ver= | cut -d '"' -f2 | sed 'N;s/\n/ /' |
+	grep "${PKG}" | cut -d ' ' -f 2)
+
+# Insert latest version into PKGBUILD and update hashes
+sed -i "s/^pkgver=.*/pkgver=${VER}/" PKGBUILD
+updpkgsums
+
+# Check whether this changed anything
+if (git diff --exit-code PKGBUILD); then
+	echo "Package ${PKG} has most recent version ${VER}"
+	exit 0
+fi
+
+# Update .SRCINFO
+makepkg --printsrcinfo >.SRCINFO
+
+# Commit changes
+git add PKGBUILD .SRCINFO
+git commit -m "${PKG} v${VER}"