refactor(kiauh.sh): no global confirm / error message anymore

Signed-off-by: Dominik Willner th33xitus@gmail.com

kiauh.sh

@@ -118,23 +118,21 @@ print_msg(){
 }
 
 print_error(){
-  [ -z "${ERROR_MSG}" ] && return
+  [ -z "${1}" ] && return
   echo -e "${red}"
   echo -e "#########################################################"
-  echo -e " ${ERROR_MSG} "
+  echo -e "  ${1} "
   echo -e "#########################################################"
   echo -e "${white}"
-  unset ERROR_MSG
 }
 
 print_confirm(){
-  [ -z "${CONFIRM_MSG}" ] && return
+  [ -z "${1}" ] && return
   echo -e "${green}"
   echo -e "#########################################################"
-  echo -e " ${CONFIRM_MSG} "
+  echo -e "  ${1} "
   echo -e "#########################################################"
   echo -e "${white}"
-  unset CONFIRM_MSG
 }
 
 clear_msg(){

scripts/klipper.sh

@@ -153,12 +153,11 @@ function klipper_setup(){
 
   ### confirm message
   if [[ ${instances} -eq 1 ]]; then
-    CONFIRM_MSG="Klipper has been set up!"
+    local confirm="Klipper has been set up!"
   elif [[ ${instances} -gt 1 ]]; then
-    CONFIRM_MSG="${instances} Klipper instances have been set up!"
+    local confirm="${instances} Klipper instances have been set up!"
   fi
-  export CONFIRM_MSG
-  print_confirm && return
+  print_confirm "${confirm}" && return
 }
 
 function write_klipper_service(){
@@ -305,8 +304,8 @@ function remove_klipper(){
   remove_klipper_dir
   remove_klipper_env
 
-  CONFIRM_MSG=" Klipper was successfully removed!" && print_confirm
-  export CONFIRM_MSG
+  local confirm="Klipper was successfully removed!"
+  print_confirm "${confirm}" && return
 }
 
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