Update installer.sh

Author: femto-code

installer.sh

@@ -61,15 +61,38 @@ _success() {
   printf "\n%s✓ Success:%s\n" "$(tput setaf 2)" "$(tput sgr0) $1"
 }
 
+cecho -c 'blue' "***************************************"
 cecho -c 'blue' "Welcome to the RPi Dashboard installer!"
-read -p "This setup assumes you have a working web server installed that is up and running. Continue? (Y/N): " confirm && [[ $confirm == [yY] || $confirm == [yY][eE][sS] ]] || exit 1
+cecho -c 'blue' "***************************************"
+if ! command -v git >/dev/null; then
+    echo "${RED}Git is not installed. Please install Git to continue.${RESET}"
+    exit 1
+fi
+read -p "Attention! By continuing you confirm having a working web server (Lighttpd / Apache) with PHP (5+) setup that is properly configured and running. Continue? (Y/N): " confirm && [[ $confirm == [yY] || $confirm == [yY][eE][sS] ]] || exit 1
 hostn="`hostname`"
-cecho -c 'blue' "This setup will install the dashboard to /var/www/html."
-_process "Please choose your subfolder name, so you will be able to call the dashboard at http://$hostn/{your_subfolder_name}"
-read -p "Enter custom subfolder name: " subfoldern
-cd /var/www/html
-git clone https://github.com/femto-code/Raspberry-Pi-Dashboard $subfoldern
-_process "Setting up valid permissions for /var/www/html/$subfoldern..."
-sudo chown -R ${whoami}:www-data /var/www/html/$subfoldern
-sudo chmod -R 775 /var/www/html/$subfoldern
-_success "Installation done! To access the dashboard open up a web browser with URL: http://$hostn/$subfoldern"
+cecho -c 'blue' "This setup will install the RPi Dashboard to -> /var/www/html/"
+_process "Please choose a subfolder name. This name will be part of the address http://$hostn/{your_subfolder_name} with which you can access your RPi dashboard within your local network."
+
+subfoldern=""
+while [[ -z "$subfoldern" ]]; do
+    read -p "Enter custom subfolder name: " subfoldern
+    subfoldern=$(echo $subfoldern | xargs)
+    if [[ -z "$subfoldern" ]]; then
+        echo "${RED}Please enter a valid subfolder name.${RESET}"
+    fi
+done
+_process "Creating subfolder /var/www/html/$subfoldern ..."
+mkdir -p /var/www/html/$subfoldern
+# Check if mkdir succeeded
+if [ $? -ne 0 ]; then
+    echo
+    echo "${RED}Failed to create sub-directory for the RPi Dashboard!${RESET}"
+    echo "${YELLOW}Please make sure that the folder /var/www/html/ exists (if not, make sure a web server is installed first) and that you have necessary permissions to write into that folder.${RESET}"
+    exit 1
+fi
+git clone https://github.com/femto-code/Raspberry-Pi-Dashboard /var/www/html/$subfoldern
+_process "Setting up valid permissions for /var/www/html/$subfoldern ..."
+chown -R ${whoami}:www-data /var/www/html/$subfoldern
+chmod -R 775 /var/www/html/$subfoldern
+_success "Installation done! To access the newly installed RPi dashboard open up a web browser and access URL: http://$hostn/$subfoldern !"
+_process "Please report any issues here: https://github.com/femto-code/Raspberry-Pi-Dashboard/issues. Thank you!"