Auto-update version on build

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

PKGBUILD

@@ -22,3 +22,7 @@ package() {
 		install -Dm755 "${srcdir}/go/bin/$(basename ${binary})" "${pkgdir}/usr/bin/$(basename ${binary})"
 	done
 }
+
+pkgver() {
+	date +"%Y.%m.%d"
+}

update_version.sh

@@ -15,7 +15,6 @@ diff tools.txt tools.txt.new && {
 mv tools.txt.new tools.txt
 updpkgsums
 
-sed -i "s/pkgver=.*/pkgver=$(date +%Y.%m.%d)/" PKGBUILD
 makepkg --printsrcinfo >.SRCINFO
 
 git add tools.txt .SRCINFO PKGBUILD