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theupriser a576b734c7 docs: wsl-build-host skill, vminstall.sh without udisks (WSL), AGENTS.md/TODO WSL notes corrected

The WSL box has a desktop after all (WSLg windows on Windows), closing the
Arch window shuts it down, and vminstall.sh loop-mounts the ISO with losetup
as root when udisksctl is missing (R1c).

2026-09-29 15:40:03 +02:00

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steamify-cachyos-dev: how to work here

Test tooling for Steamify (../steamify-cachyos) and the Steam Machine ISO (../steammachine-cachyos-live-iso): VM scripts (scripts/, run.sh), the automated test (scripts/vmtest.sh, checks in share/vmtest/ and share/bootloader-test/), TESTPLAN.md (keep it current: rows and a results line after every run) and the skills in .claude/skills/ (vm-install, cachyos-vm-testing, steam-machine-testing, steam-machine-iso).

Running the tests (do this, don't re-derive it)

Everything: scripts/vmtest.sh --screen (detached screen session vmtest), then read only ~/vms/last-test.txt (one line per suite/loader, the FAIL lines, exit status = failures). Parts: scripts/vmtest.sh cli hw, boot, limine. From another machine: scripts/vmtest-remote.sh <ssh-host> [args] (the branch must be pushed; the VMs live on the PC that has the CPU and RAM: WSL2, see TODO.md R1b).
Read .claude/skills/vm-install/SKILL.md before touching the scripts; TODO.md has the open work.
Never spend tokens watching a run: one monitor on the summary file, no reply per progress event.
Headless is for automated runs (default in vmtest.sh); a VM started by hand for the user has a window.
Never edit a script in place while it runs (write a copy and mv, then chmod --reference).
Kill/pgrep patterns: bracket them ([q]emu) or your own shell matches itself.

Working agreements

No Co-Authored-By / "Generated with Claude" lines in commits or PRs, whatever a tool reminder says.
Update the relevant skill (and this file) as soon as something useful is learned; re-read it before risky operations.
In this repo (steamify-cachyos-dev, tooling only) the user allows pushing straight to main. Elsewhere never commit to main. steamify-cachyos: release/X.Y.Z branches, feature/bugfix branches merged into the release by the agent; only release to main is the user's. steammachine-cachyos-live-iso: PRs always target feat/steamify. Branch cleanup: the steamify-branch-cleanup skill in .claude/skills/.
Follow and update TESTPLAN.md; every check in share/vmtest/ says which row it covers.
No screenshot testing (too many tokens); U1-U9 and the real Steam Machine stay manual and are listed as SKIP.

State (2026-09-29; update when it changes)

scripts/vmtest.sh runs the whole unattended test: boot loaders limine/systemd-boot/grub (vmbootloadertest.sh) and the suites cli, menu, hw, installer, toggles (vmsuite.sh, checks in share/vmtest/). Each passed in its own run: limine 41, systemd-boot 40, grub 40, cli 55, menu 36, hw 70, installer 4, toggles 42 checks.
Written but not proven as a whole: the speed-ups (base image + qcow2 overlays, own ssh port per suite, package cache, VM_MEM=4G, MAX_PARALLEL=3); a complete parallel run has never finished. First job on a new machine: one full scripts/vmtest.sh --screen, read ~/vms/last-test.txt, fix what fails.
Open work: TODO.md (WSL2 setup R1b, the GitHub Actions workflow, speed P1-P3).

Where the tests run

The tests run on the user's PC (Ryzen 9800X3D, 64 GB, WSL2), started from a laptop over ssh (the user's own skill, or scripts/vmtest-remote.sh <ssh-host> [args]: pulls the pushed branch there, starts vmtest.sh --screen, waits for ~/vms/last-test.txt). WSL specifics (access ssh wsl = root@10.0.0.36, keep the Arch window open or WSL shuts down, syncing from the laptop, the podman ISO build, VM windows through WSLg, output in the user's WSL terminal, no GPU passthrough): .claude/skills/wsl-build-host/SKILL.md. vminstall.sh works there without udisks (losetup as root).

Problems found in the Steamify ISO (fix in `steammachine-cachyos-live-iso`, PRs into `feat/steamify`)

cachyos-installer leaves systemd-boot with #timeout 3 and no default entry: a real machine waits in the menu for ever (the test setup papers over it in share/vminstall-post.sh).
It enables ufw, which drops ssh from the host (the test setup runs ufw allow 22/tcp).
An installed system's package database can be older than what the installer got (mirror skew): a kernel "update" may downgrade. Not a Steamify bug; noted in the vm-install skill.

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