Overall optimations

main.py

@@ -2,21 +2,23 @@
 import subprocess
 import os
 import argparse
+import sys
 
 def run_script(script_path, extra_args):
     if not os.path.exists(script_path):
         print(f"[ERROR] Script not found at {script_path}")
         exit(1)
-    command = ["sudo","bash", script_path] + extra_args
+    command = ["sudo", "bash", script_path] + extra_args
     print(f"[INFO] Running command: {' '.join(command)}")
-    result = subprocess.run(command)
+    # Pass the parent's stdout and stderr so that progress output shows in real time.
+    result = subprocess.run(command, stdout=sys.stdout, stderr=sys.stderr)
     if result.returncode != 0:
         print(f"[ERROR] Script exited with code {result.returncode}")
         exit(result.returncode)
     print("[SUCCESS] Script executed successfully.")
 
 def main():
-    # Use os.path.realpath to get the actual path of this file regardless of symlinks
+    # Use os.path.realpath to get the actual path of this file regardless of symlinks.
     repo_root = os.path.dirname(os.path.realpath(__file__))
 
     # Define available scripts along with their descriptions.
@@ -100,9 +102,17 @@ def main():
         print("[INFO] No extra parameters provided.")
 
     if not args.auto_confirm:
-        input("Press Enter to execute the script or Ctrl+C to cancel...")
+        try:
+            input("Press Enter to execute the script or Ctrl+C to cancel...")
+        except KeyboardInterrupt:
+            print("\n[ERROR] Execution aborted by user.")
+            exit(1)
 
     run_script(script_info["path"], args.extra)
 
 if __name__ == "__main__":
-    main()
+    try:
+        main()
+    except KeyboardInterrupt:
+        print("\n[ERROR] Execution aborted by user.")
+        exit(1)

requirements.yml

@@ -0,0 +1,2 @@
+pacman:
+  - pv

scripts/image/setup.sh

@@ -245,18 +245,28 @@ if [ -z "$image_checksum" ]; then
     done
 fi
 
-if [[ -v image_checksum ]]
+if [[ -v image_checksum ]]; then
-  then
+  info "A checksum is defined for the image."
-    (info "Checking md5 checksum..." && echo "$image_checksum $image_path"| md5sum -c -) ||
+  info "Checksums verify file integrity to ensure that the file was not corrupted during download."
-    (info "Checking sha1 checksum..." && echo "$image_checksum $image_path"| sha1sum -c -) ||
+  info "The script will try verifying the integrity using MD5, then SHA1, and finally SHA256 if needed."
-    (info "Checking sha256 checksum..." && echo "$image_checksum $image_path"| sha256sum -c -) ||
+  
-    error "Verification failed. HINT: Force the download of the image."
+  info "Trying MD5 checksum verification..."
-  else
+  (info "Checking md5 checksum..." && echo "$image_checksum $image_path" | md5sum -c -) ||
-    warning "Verification is not possible. No checksum is defined."
+  (warning "MD5 verification failed. This may indicate data corruption." &&
+   info "Trying SHA1 checksum verification for a secondary integrity check..." &&
+   info "Checking sha1 checksum..." && echo "$image_checksum $image_path" | sha1sum -c -) ||
+  (warning "SHA1 verification failed. Attempting SHA256 verification for thoroughness." &&
+   info "SHA256 provides a more robust check and is used as a final integrity measure." &&
+   info "Checking sha256 checksum..." && echo "$image_checksum $image_path" | sha256sum -c -) ||
+  error "Verification failed. HINT: Force the download of the image."
+else
+  warning "No checksum is defined. Skipping checksum verification."
 fi
 
-info "Verifying signature..."
+info "Note: Checksums verify integrity but do not confirm authenticity."
+info "Proceeding to signature verification, which ensures the file comes from a trusted source."
 signature_download_url="$download_url.sig"
+info "Attempting to download the image signature from: $signature_download_url"
 info "Try to download image signature from $signature_download_url."
 
 if wget -q --method=HEAD "$signature_download_url"; then
@@ -388,7 +398,7 @@ if [ "$transfer_image" = "y" ]
       elif [ "${image_path: -4}" = ".iso" ]
         then
           info "Transfering .iso file..." &&
-          sudo dd if="$image_path" of="$device_path" bs="$OPTIMAL_BLOCKSIZE" conv=fsync status=progress &&
+          pv "$image_path" | sudo dd of="$device_path" bs="$OPTIMAL_BLOCKSIZE" conv=fsync &&
           sync ||
           error
       elif [ "${image_path: -3}" = ".xz" ]