improve shell scripts

[m1-debian] / bootstrap.sh

diff --git a/bootstrap.sh b/bootstrap.sh
old mode 100644 (file)
new mode 100755 (executable)
index f5a5aa7..0dfe714
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -1,9 +1,13 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # SPDX-License-Identifier: MIT
 
-set -x
-set -e
+set -o errexit
+set -o nounset
+set -o pipefail
+set -o xtrace
+
+cd "$(dirname "$0")"
 
 unset LC_CTYPE
 unset LANG