From 2fa8a641a099b52a581c3e38b2a943217c2ea1bb Mon Sep 17 00:00:00 2001
From: Jason Mehring <nrgaway@gmail.com>
Date: Thu, 9 Apr 2015 21:28:14 -0400
Subject: [PATCH] Added comment about GLOBAL_CACHE and how it is later renamed

---
 functions.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/functions.sh b/functions.sh
index 2e75ef5..acc819f 100755
--- a/functions.sh
+++ b/functions.sh
@@ -249,6 +249,10 @@ exists() {
 
     if [ -e "${filename}" ] && ! elementIn "${filename}" "${GLOBAL_CACHE[@]}"; then
         # Cache $script
+        #
+        # GLOBAL_CACHE is declared in the `getFileLocations` function and is later
+        # renamed to a name passed into the function as $1 to allow scripts using
+        # the function to have access to the array
         GLOBAL_CACHE["${#GLOBAL_CACHE[@]}"]="${filename}"
         return 0
     fi