newapkbuild: detect github archives

newapkbuild.in

@@ -23,6 +23,13 @@ is_url() {
 	return 1
 }
 
+is_github_url() {
+	case $1 in
+	https://github.com/*/*/archive/*.tar.gz) return 0;;
+	esac
+	return 1
+}
+
 # Build sections
 build_make() {
 	cat >>APKBUILD<<__EOF__
@@ -91,7 +98,15 @@ newaport() {
 	local source=
 	is_url "$1" && source="$1"
 
-	if [ "$pn" != "$newname" ]; then
+	if is_github_url $source; then
+		if [ -z "$pkgname" ]; then
+			pkgname=${source%/archive/*}
+			pkgname=${pkgname##*/}
+		fi
+		pv=${newname%.t*} #strip .tar.gz .tgz .tar.bz2 etc
+		pv=${pv#*[a-z]}
+		source="$pkgname-$pv.tar.gz::$source"
+	elif [ "$pn" != "$newname" ]; then
 		pv=${newname#$pn-}
 		pv=${pv%.t*} #strip .tar.gz .tgz .tar.bz2 etc
 	fi