Update maintainer, add update-script, switch to sha512

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

.SRCINFO

@@ -25,9 +25,9 @@ pkgbase = google-chrome-beta
 	source = google-chrome-beta_71.0.3578.62_amd64.deb::https://dl.google.com/linux/direct/google-chrome-beta_current_amd64.deb
 	source = eula_text.html
 	source = google-chrome-beta.sh
-	md5sums = aa2364556a3cfc40a6f498fbe80900ce
+	sha512sums = 6e92926fc738483e04de270ea6a4d23e676ca25fe2822865f38c1c32f1205155886414f1e7eaeece0ebb6c48cb6eb9156421bf2070cd59078c4b5ad63ec336af
-	md5sums = d50d8f0a6940791eabc41c4f64e6a3cf
+	sha512sums = a225555c06b7c32f9f2657004558e3f996c981481dbb0d3cd79b1d59fa3f05d591af88399422d3ab29d9446c103e98d567aeafe061d9550817ab6e7eb0498396
-	md5sums = ca16d5162eed85b1ba4e6b9fc37f9e35
+	sha512sums = ce84dadfd8accc8bc590c8570bda7f59b415f125967f712fc9b64e10a7ab64d0f677fa8f14d2e7a2645f732c60701d9158fa421cc1f8f82715bdcf63999a005b
 
 pkgname = google-chrome-beta
 

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/Beta%20updates
@@ -26,9 +27,9 @@ _channel=beta
 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=('aa2364556a3cfc40a6f498fbe80900ce'
+sha512sums=('6e92926fc738483e04de270ea6a4d23e676ca25fe2822865f38c1c32f1205155886414f1e7eaeece0ebb6c48cb6eb9156421bf2070cd59078c4b5ad63ec336af'
-         'd50d8f0a6940791eabc41c4f64e6a3cf'
+            'a225555c06b7c32f9f2657004558e3f996c981481dbb0d3cd79b1d59fa3f05d591af88399422d3ab29d9446c103e98d567aeafe061d9550817ab6e7eb0498396'
-         'ca16d5162eed85b1ba4e6b9fc37f9e35')
+            'ce84dadfd8accc8bc590c8570bda7f59b415f125967f712fc9b64e10a7ab64d0f677fa8f14d2e7a2645f732c60701d9158fa421cc1f8f82715bdcf63999a005b')
 
 ## Previous versions (also see: /var/cache/pacman/pkg/google-chrome-beta-*):
 #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}"