⚡️ perf: more improvements can be done

usr/lib/snigdhaos-blackbox/apply.sh

@@ -12,6 +12,32 @@ usage() {
     exit 1
 }
 
+# Function to print in green (success)
+success() {
+    echo -e "\033[32m$1\033[0m"
+}
+
+# Function to print in red (error)
+error() {
+    echo -e "\033[31m$1\033[0m"
+}
+
+# Function to print in yellow (warning)
+warning() {
+    echo -e "\033[33m$1\033[0m"
+}
+
+# Function to log output to a log file
+log() {
+    echo "$(date) - $1" >> "$LOGFILE"
+}
+
+# Log file location
+LOGFILE="/tmp/setup_script.log"
+
+# Clear the previous log
+> "$LOGFILE"
+
 # Display help if the user asks for it
 if [ "$1" == "--help" ]; then
     usage
@@ -19,62 +45,70 @@ fi
 
 # Check if package list file is provided and valid
 if [ -z "$2" ] || [ ! -f "$2" ]; then
-    echo "Error: Package list file is missing or invalid."
+    error "Package list file is missing or invalid."
     usage
 fi
 
 # Check if service script file is provided and valid
 if [ -n "$3" ] && [ ! -f "$3" ]; then
-    echo "Warning: Service script file ($3) not found. Skipping service enabling."
+    warning "Service script file ($3) not found. Skipping service enabling."
 fi
 
 # Step 1: Optional Setup Preparation
 if [ -n "$1" ] && [ -e "$1" ]; then
     echo ""
     echo "Preparing Setup..."
+    log "Preparing Setup..."
     echo ""
 fi
 
 # Step 2: Installing Packages
 echo ""
 echo "Installing Packages! Please Wait..."
-echo ""
+log "Starting package installation..."
 
 # Generate the list of installable packages
 installable_packages=$(comm -12 <(pacman -Slq | sort) <(sed 's/\s/\n/g' - <"$2" | sort))
 
 # Check if any valid packages are available
 if [ -z "$installable_packages" ]; then
-    echo "No packages found to install from the provided list."
+    error "No packages found to install from the provided list."
+    log "No valid packages found."
     exit 1
 fi
 
 # Attempt to install the packages
 echo "Installing the following packages: $installable_packages"
+log "Installing packages: $installable_packages"
+
 if ! sudo pacman -S --needed $installable_packages; then
-    echo "Error: Package installation failed. Please check the package list and try again."
+    error "Package installation failed. Please check the package list and try again."
+    log "Package installation failed."
     exit 1
 else
     # Remove the package list file after successful installation
     rm "$2"
-    echo "Packages installed successfully."
+    success "Packages installed successfully."
+    log "Packages installed successfully."
 fi
 
 # Step 3: Enabling Services (if any)
 if [ -n "$3" ] && [ -f "$3" ]; then
     echo ""
     echo "Enabling Services (If Any)..."
-    echo ""
+    log "Enabling services..."
 
     # Execute the service script with sudo
     if ! sudo bash - <"$3"; then
-        echo "Error: Failed to enable services from the script. Please check the script."
+        error "Failed to enable services from the script. Please check the script."
+        log "Service enabling failed."
         exit 1
     else
-        echo "Services enabled successfully."
+        success "Services enabled successfully."
+        log "Services enabled successfully."
     fi
 fi
 
 # Final prompt
 echo ""
-read -p "Press Enter To Return to Snigdha OS Blackbox."
+read -p "Press Enter to return to Snigdha OS Blackbox."