Improve Discord logging for errors and further fix UEFI mount robustness

iridium_installer/backend/os_install.py

@@ -97,11 +97,16 @@ def mount_pseudo_fs(mount_root):
             target = os.path.join(mount_root, "sys/firmware/efi/efivars")
             os.makedirs(target, exist_ok=True)
             try:
-                # Use --bind if already mounted, or mount -t efivarfs
+                # Try bind mount first
                 run_command(["mount", "--bind", efivars_path, target])
                 mounted_paths.append(target)
-            except Exception as e:
-                logger.warning(f"Failed to mount efivarfs: {e}")
+            except Exception:
+                try:
+                    # Fallback to direct mount
+                    run_command(["mount", "-t", "efivarfs", "efivarfs", target])
+                    mounted_paths.append(target)
+                except Exception as e:
+                    logger.warning(f"Failed to mount efivarfs: {e}")
 
         yield
     finally:
@@ -287,8 +292,17 @@ def configure_system(mount_root, partition_info, user_info=None, disk_device=Non
                 f.write('GRUB_TIMEOUT=5\nGRUB_DISTRIBUTOR="$(sed \'s, release .*$,,g\' /etc/system-release)"\nGRUB_DEFAULT=saved\nGRUB_DISABLE_SUBMENU=true\nGRUB_TERMINAL_OUTPUT="console"\nGRUB_CMDLINE_LINUX="rhgb quiet"\nGRUB_DISABLE_RECOVERY="true"\nGRUB_ENABLE_BLSCFG=true\n')
 
         if uefi:
-            run_command(["chroot", mount_root, "grub2-install", "--target=x86_64-efi", "--efi-directory=/boot/efi", "--bootloader-id=iridium", "--recheck"])
-            run_command(["chroot", mount_root, "grub2-mkconfig", "-o", "/boot/efi/EFI/iridium/grub.cfg"])
+            efi_dir = "/boot/efi"
+            # Re-verify mount inside chroot if possible, but we already mounted it outside
+            
+            logger.info("Installing GRUB2 for UEFI...")
+            # Using --removable can help on some systems that don't like efibootmgr entries
+            # but for now let's stick to standard and add --recheck
+            run_command(["chroot", mount_root, "grub2-install", "--target=x86_64-efi", f"--efi-directory={efi_dir}", "--bootloader-id=iridium", "--recheck"])
+            
+            config_path = "/boot/efi/EFI/iridium/grub.cfg"
+            run_command(["chroot", mount_root, "grub2-mkconfig", "-o", config_path])
+            
             # Fedora compatibility link
             fedora_dir = os.path.join(mount_root, "boot/efi/EFI/fedora")
             os.makedirs(fedora_dir, exist_ok=True)