From d821155f6b5dfac7026f0b14216cbc0aea23c96f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Carlos=20Mej=C3=ADas=20Rodr=C3=ADguez?=
 <juan.mejias@reduc.edu.cu>
Date: Sun, 25 Nov 2018 22:23:34 -0500
Subject: [PATCH] Enhance main function comments

---
 psu | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)
 mode change 100644 => 100755 psu

diff --git a/psu b/psu
old mode 100644
new mode 100755
index 69eb8f4..5cbdf7b
--- a/psu
+++ b/psu
@@ -2,9 +2,22 @@
 #
 # Deploy/update/undeploy Docker stacks in a Portainer instance.
 
-###################
-# Main entrypoint #
-###################
+##########################
+# Main entrypoint        #
+# Globals:               #
+#   AUTH_TOKEN           #
+#   HTTPIE_VERIFY_SSL    #
+#   PORTAINER_URL        #
+#   PORTAINER_USER       #
+#   PORTAINER_PASSWORD   #
+#   PORTAINER_STACK_NAME #
+#   STACK                #
+#   ACTION               #
+# Arguments:             #
+#   None                 #
+# Returns:               #
+#   None                 #
+##########################
 main() {
   set_globals $@