tweak fetch-src script for freebsd-world package
Signed-off-by: Adam Jimerson <vendion@gmail.com>
diff --git a/core/freebsd-world/fetch-src b/core/freebsd-world/fetch-src
old mode 100644
new mode 100755
index bf8e879..e7cbcdc
--- a/core/freebsd-world/fetch-src
+++ b/core/freebsd-world/fetch-src
@@ -1,5 +1,5 @@
-#!/bin/sh
+#!/usr/bin/env bash
-git clone --depth 1 -b releng/"${1='11.1'}" --single-branch https://github.com/freebsd/freebsd.git || exit 1
+git clone --depth 1 -b releng/"${1:-11.1}" --single-branch https://github.com/freebsd/freebsd.git || exit 1
tar -cf src.txz --lzma freebsd/* || exit 1
rm -rf freebsd || exit 1