Add getDistroVersion function

Test: bcmath

install-php-extensions

@@ -26,19 +26,28 @@ getDistro () {
 	getDistro_os_id=''
 	if test -r /etc/os-release; then
 		getDistro_os_id="$(cat /etc/os-release | grep -E ^ID= | cut -d = -f 2)"
-		case "$getDistro_os_id" in
-			alpine|debian)
-				;;
-			*)
-				getDistro_os_id=''
-				;;
-		esac
 	fi
-	if test -n "$getDistro_os_id"; then
+	printf '%s' "$getDistro_os_id"
-		printf '%s' "$getDistro_os_id"
+}
-	else
+
-		printf '%s' 'debian'
+# Get the distribution name and the version
+#
+# Example output:
+#   alpine@3.10
+#   debian@9
+getDistroVersion () {
+	getDistroVersion_distro="$(getDistro)"
+	if test -z "$getDistroVersion_distro"; then
+		return
 	fi
+	getDistroVersion_versionID=''
+	if test -r /etc/os-release; then
+		getDistroVersion_versionID="$(cat /etc/os-release | grep -E ^VERSION_ID= | cut -d = -f 2 | cut -d '"' -f 2 | cut -d . -f 1,2)"
+	fi
+	if test -z "$getDistroVersion_distro"; then
+		return
+	fi
+	printf '%s@%s' "$getDistroVersion_distro" "$getDistroVersion_versionID"
 }
 
 # Get the PHP Major-Minor version as an integer value, in format MMmm (example: 506 for PHP 5.6.15)