Use POSIX syntax for Bash detection (#127)

rcaloras · Apr 21, 2022 · d308800 · d308800
1 parent da64ad4
commit d308800
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/bash-preexec.sh b/bash-preexec.sh
@@ -33,7 +33,8 @@
 #  either of these after bash-preexec has been installed it will most likely break.
 
 # Make sure this is bash that's running and return otherwise.
-if [[ -z "${BASH_VERSION:-}" ]]; then
+# Use POSIX syntax for this line:
+if [ -z "${BASH_VERSION-}" ]; then
     return 1;
 fi