setup-environment: prevent basename argument being parsed as option.

This fixes an issue where this script fails with the default Dash shell
on Ubuntu (where "$0" is "-bash" and it is parsed as an option).

Change-Id: I6fec2a7b4e8eee68b5f11101783d7dff7d07f712
Reviewed-by: Donald Carr <donald.carr@theqtcompany.com>
Reviewed-by: Risto Avila <risto.avila@theqtcompany.com>
Reviewed-by: Samuli Piippo <samuli.piippo@theqtcompany.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/scripts/setup-environment.sh b/scripts/setup-environment.sh
index 28adeec..566b708 100755
--- a/scripts/setup-environment.sh
+++ b/scripts/setup-environment.sh
@@ -34,7 +34,7 @@ while test -n "$1"; do
 done
 
 THIS_SCRIPT="setup-environment.sh"
-if [ "$(basename $0)" = "${THIS_SCRIPT}" ]; then
+if [ "$(basename -- $0)" = "${THIS_SCRIPT}" ]; then
     echo "Error: This script needs to be sourced. Please run as '. $0'"
     exit 1
 fi