Don't use GREP_OPTIONS in 'contains' function - this is a modified version of a patch by David Bitseff

darcs-hash:20061126131150-ac50b-640bfaf2c3a4111809d9091631b79e35005e68b5.gz

share/functions/contains.fish

@@ -32,6 +32,9 @@ function contains -d (N_ "Test if a key is contained in a set of values")
 	set -- key $argv[1]
 	set -e argv[1]	
 
+	# Don't use any grep options!
+	set -l GREP_OPTIONS
+
 	#
 	# Loop through values
 	#