Dorian 58e9754cf2 fix(ci): QEMU boot test ignores trailing numeric arg + enforces timeout ...

The CI workflow calls `test-iso-qemu.sh "$ISO" 120`. The old arg parser
had a `case *) ISO=...` fallthrough that silently let the second
positional `120` overwrite ISO, so QEMU went looking for a file literally
named "120". That's the "failed step" the user was seeing on recent ISO
runs — the rest of the job succeeded because the QEMU step has
`continue-on-error: true`.

Changes:
- Treat `--timeout=N` or a bare numeric first-match as a CI timeout in
  seconds; the original ISO path still wins the positional.
- When a timeout is set, force `--nographic` (CI has no DISPLAY anyway)
  and wrap the QEMU invocation in coreutils' `timeout` so the script
  always returns instead of hanging.
- After termination (or timeout), grep the serial log for well-known
  systemd/live-boot markers. Pass if the kernel reached userspace, fail
  if no marker appeared within the window — useful signal rather than
  the previous "did the VM shut itself off" proxy.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-04-18 18:36:20 -04:00

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