fix debian-bash-upgrade

install.sh

@@ -41,12 +41,12 @@ function install_host() {
         echo "--------------------------------"
         
         if [[ -z "$PS1" ]]; then
-            read -rn1 -p 'Would you like to migrate to the new project named `miaou-bash`, (yN)?' answer       
-        else
             echo "--------------------------------------------------"
             echo "automatic migration from debian-bash to miaou-bash"
             echo "--------------------------------------------------"            
             answer='y'
+        else
+            read -rn1 -p 'Would you like to migrate to the new project named `miaou-bash`, (yN)?' answer       
         fi
         
         if [[ "$answer" == 'y' ]];then