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docs: close out task 0016 after reimaging neogaia

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The reimage is done and verified on hardware: the boot partition is 2 GiB
and reports it, the hardware profile's kernel parameter and module blacklist
are live, and the encrypted root unlocks to a console login.

The install procedure ran without divergence, which is the reproducibility
evidence the task was after.

The reimage also wiped the hand-written git identity, so the gotcha
describing it is updated to record the failure it now provokes.
This commit is contained in:
alexion
2026-07-19 18:53:17 -04:00
parent 431f75aad7
commit 42c602b814
2 changed files with 30 additions and 31 deletions
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5
CLAUDE.md
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@@ -29,8 +29,9 @@ The domain model (Host, Module, Skeleton, Auto-loader, Enable convention, overla
Both were true only while the machine still ran CachyOS against a distro Nix daemon.
- The substituters a `nix build` fetches from are the **daemon's** (`/etc/nix/nix.conf`), *not* the `nix.settings` of the config being built — those only govern the built system.
The two coincide here because the dev host runs this flake; they diverge on any machine that does not.
- Git identity is not declared in the flake — there is no `programs.git` — but commits do work: identity comes from a hand-written `~/.gitconfig` plus this checkout's `.git/config`.
Both sit outside the flake, so neither survives a reimage nor reaches another machine; history uses `alexion <contact@alexion.dev>`.
- Git identity is not declared in the flake — there is no `programs.git` — so it must be set by hand before the first commit on a fresh machine.
The July 2026 reimage confirmed this: it wiped the hand-written `~/.gitconfig`, and the next commit failed with `Author identity unknown`, auto-detecting `alexion@neogaia.(none)`.
It now lives in this checkout's `.git/config`, which reaches no other machine and does not survive the next reimage either; history uses `alexion <contact@alexion.dev>`.
- The primary build/verify seam for any Host is `nix flake check`, which builds `checks.x86_64-linux.<host>` (the system toplevel); cheap targeted checks use `nix eval .#nixosConfigurations.<host>.config...`.
- A flake only sees **git-tracked** files, so a new file that has not been `git add`ed is invisible to evaluation even though it exists on disk.
The failure names the path and reads as if the file were missing: `error: Path 'secrets/shared.yaml' does not exist in Git repository`.