check for egrep's --color

bin/epm-search

@@ -130,9 +130,9 @@ __epm_search_make_grep()
 		[ -n "$COLO" ] && COLO="$COLO|"
 		COLO="$COLO$i"
 	done
-	# FIXME -n on MacOS?
+
 	if [ -n "$list" ] ; then
-		echo -n " | egrep -i --color -- \"($COLO)\""
+		echon " | egrep -i $EGREPCOLOR -- \"($COLO)\""
 	fi
 }
 

bin/epm-sh-functions

@@ -45,6 +45,11 @@ check_tty()
 	[ -n "$TERM" ] || TERM=dumb
 	export TERM
 
+	# egrep from busybox may not --color
+	if egrep --help | grep -q -- "--color" ; then
+		EGREPCOLOR="--color"
+	fi
+
 	which tput >/dev/null 2>/dev/null || return
 	# FreeBSD does not support tput -S
 	echo | tput -S >/dev/null 2>/dev/null || return