Fix bootc disk layout and UEFI vendor hint

Author: pull clone

Containerfile

@@ -51,6 +51,9 @@ RUN --mount=type=bind,from=ctx,source=/,target=/ctx \
       cp -a "${EFIROOT}/EFI/BOOT/BOOTX64.EFI" /boot/efi/EFI/BOOT/BOOTX64.EFI 2>/dev/null || true; \
     fi; \
     \
+    # Ensure osbuild detects the UEFI vendor (for ISO builds)
+    mkdir -p /usr/lib/efi/shim/fedora/EFI/fedora || true; \
+    \
     # Fix for bootc-image-builder: Populate EFI vendor directory so the builder detects 'fedora'
     mkdir -p /boot/efi/EFI/fedora || true; \
     cp /usr/share/shim/*/shimx64.efi /boot/efi/EFI/fedora/ 2>/dev/null || true; \

disk_config/disk.toml

@@ -1,3 +1,7 @@
 [[customizations.filesystem]]
 mountpoint = "/"
 minsize = "20 GiB"
+
+[[customizations.filesystem]]
+mountpoint = "/boot"
+minsize = "1 GiB"