Antony Messerli 988fe91078 Decouple Secure Boot download from menu first-run check
Address review feedback:
- Move Secure Boot download to its own conditional block that checks
  for the secureboot-x86_64 directory, so existing installs pick up
  Secure Boot binaries on the next container restart
- Resolve MENU_VERSION once at the top (from env, menuversion.txt,
  or GitHub API) so it's available to both blocks
- Use curl -fsSL for autoexec.ipxe download to fail on HTTP errors
  instead of silently saving HTML error pages
- Update README note to reflect that Secure Boot downloads run
  independently of menu downloads
2026-03-15 17:35:59 -05:00
..
2023-02-06 14:53:15 -06:00
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