From 4ca1ab72c657f0e69408c13bf5fa22fb0f33047e 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 22:06:03 -0500
Subject: [PATCH] Rename err function to echo_error

---
 psu | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/psu b/psu
index 4335e04..9b183bc 100755
--- a/psu
+++ b/psu
@@ -36,7 +36,7 @@ main() {
       d) DEBUG_MODE="true" ;;
       t) STRICT_MODE="true" ;;
       *)
-        err "Unexpected option ${option}"
+        echo_error "Unexpected option ${option}"
         exit 1
         ;;
     esac
@@ -106,7 +106,7 @@ main() {
     exit 0
   fi
 
-  err "Error: Unknown action \"$ACTION\"."
+  echo_error "Error: Unknown action \"$ACTION\"."
   exit 1
 }
 
@@ -119,7 +119,7 @@ main() {
 # Returns:                 #
 #   None                   #
 ############################
-err() {
+echo_error() {
   local error_message=$@
   echo "[$(date +'%Y-%m-%dT%H:%M:%S%z')]: $error_message" >&2
 }
@@ -142,8 +142,8 @@ check_argument() {
   local argument_envvar=$3
   local argument_flag=$4
   if [ -z "$argument_value" ]; then
-    err "Error: Missing argument \"$argument_name\"."
-    err "Try setting \"$argument_envvar\" environment variable or using the \"-$argument_flag\" flag."
+    echo_error "Error: Missing argument \"$argument_name\"."
+    echo_error "Try setting \"$argument_envvar\" environment variable or using the \"-$argument_flag\" flag."
     exit 1
   fi
 }
@@ -163,12 +163,12 @@ check_for_errors() {
   local response=$2
   if [ $exit_code -ne 0 ]; then
     case $exit_code in
-        2) err 'Request timed out!' ;;
-        3) err 'Unexpected HTTP 3xx Redirection!' ;;
-        4) err 'HTTP 4xx Client Error!' && err $response ;;
-        5) err 'HTTP 5xx Server Error!' && err $response ;;
-        6) err 'Exceeded --max-redirects=<n> redirects!' ;;
-        *) err 'Unholy Error!' ;;
+        2) echo_error 'Request timed out!' ;;
+        3) echo_error 'Unexpected HTTP 3xx Redirection!' ;;
+        4) echo_error 'HTTP 4xx Client Error!' && echo_error $response ;;
+        5) echo_error 'HTTP 5xx Server Error!' && echo_error $response ;;
+        6) echo_error 'Exceeded --max-redirects=<n> redirects!' ;;
+        *) echo_error 'Unholy Error!' ;;
     esac
     exit 1
   fi
@@ -306,7 +306,7 @@ deploy() {
     rm json.tmp
   else
     if [ $STRICT_MODE == "true" ]; then
-      err "Error: Stack $PORTAINER_STACK_NAME already exists."
+      echo_error "Error: Stack $PORTAINER_STACK_NAME already exists."
       exit 1
     fi
     echo_verbose "Stack $PORTAINER_STACK_NAME exists."
@@ -352,7 +352,7 @@ deploy() {
 undeploy() {
   if [ -z "$STACK" ]; then
     if [ $STRICT_MODE == "true" ]; then
-      err "Error: Stack $PORTAINER_STACK_NAME does not exist."
+      echo_error "Error: Stack $PORTAINER_STACK_NAME does not exist."
       exit 1
     else
       echo_verbose "Stack $PORTAINER_STACK_NAME does not exist. No need to undeploy it."