diff --git a/src/main b/src/main
index 3352a78..85d01a1 100755
--- a/src/main
+++ b/src/main
@@ -3,7 +3,7 @@
 ## FUNCTIONS
 ## ---------
 
-function trap_error(){
+function trap_error {
      error_code=$1
      error_line=$2
  
@@ -14,18 +14,16 @@ function trap_error(){
 }
 
 
-
-function runVoid(){
+function runVoid {
     trap - ERR
     local COMMAND="$@"
     bash -c "${COMMAND}" >/dev/null 2>&1
-    error=$?
+    runVoidError=$?
     trap 'trap_error $? $LINENO' ERR
-    return $error
 }
 
 
-function askConfirmation (){
+function askConfirmation {
   case "$1" in
     y|Y|yes|YES ) 
       QUESTION="(Y/n)?"
@@ -48,7 +46,6 @@ function askConfirmation (){
 ## ---------
 
 BASEDIR=/opt/debian-gnome
-GIT_REPOSITORY_RAW="https://git.artcode.re/pvincent/debian-gnome/raw/master"
 ALLOWED_USERS=$(id -un) #CUSTOMIZE if needed!
 REQUIRED_PACKAGES=( \
     vim git wget curl \
@@ -73,12 +70,11 @@ else
     echo "repositories recently updated!"
 fi
 
-
 echo "# required packages"
 echo "==================="
 for package in ${REQUIRED_PACKAGES[@]}; do 
     runVoid dpkg-query --status $package
-    if [ $? -ne 0 ] ; then    
+    if [ $runVoidError -ne 0 ] ; then    
         echo -n "installing package <$package> ... " ;
         sudo apt install -y $package
         echo "DONE"
@@ -105,7 +101,7 @@ echo "## openssh-server"
 echo "================="
 PGKNAME='openssh-server'
 runVoid dpkg-query --status $PGKNAME
-if [ $? -ne 0 ] ; then
+if [ $runVoidError -ne 0 ] ; then
     set -e
     sudo apt install -y $PGKNAME
     sudo /opt/debian-bash/tools/append_or_replace "^#\?PermitRootLogin.*$" "PermitRootLogin no" /etc/ssh/sshd_config
@@ -190,7 +186,7 @@ fi
 echo "## gnome-extensions-cli"
 echo "======================="
 runVoid command gnome-extensions-cli
-if [[ $? -ne 0 ]]; then
+if [[ $runVoidError -ne 0 ]]; then
     sudo pip3 install gnome-extensions-cli
 else
     echo "gnome-extensions-cli already installed!"