azy5030
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Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_018MsAYv5RhNLE54fPrviVgS
76 lines
4.2 KiB
Markdown
76 lines
4.2 KiB
Markdown
# CLAUDE.md
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This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
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## What this is
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A personal **Gentoo ebuild repository (overlay)**, repo name `azy5030`, EAPI 8,
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`masters = gentoo`, thin + unsigned Manifests (`metadata/layout.conf`). It packages
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software not in the main `::gentoo` tree. Currently one package:
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`dev-util/gitea-runner`. Hosted on a self-hosted Gitea at `git.azy.dev` whose repos
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use SHA-256 object format.
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## The vendored-build model (the core design)
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`dev-util/gitea-runner` is a `go-module` ebuild built **offline** from upstream
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`gitea/runner` source. Gentoo's build sandbox has no network, so Go modules cannot be
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fetched at build time. Instead they are vendored ahead of time:
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1. The upstream source archive is `SRC_URI`'d from gitea.com's `/api/v1/.../archive`
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endpoint (a plain `git clone`/`go get` is never used).
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2. A **vendor tarball** (`${P}-vendor.tar.xz`, the result of `go mod vendor`, packed
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deterministically) is uploaded as a **release asset on this repo** and is the second
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`SRC_URI`. `S="${WORKDIR}/runner"`.
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3. `dev-util/gitea-runner/Manifest` pins BLAKE2B/SHA512 of both tarballs. `emerge`
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verifies against the Manifest, then compiles offline from `vendor/`.
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Consequences when editing the ebuild:
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- `LICENSE` must cover **every vendored module's** license, not just upstream's MIT.
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The bump PR checklist suggests `go-licenses report ./...` to confirm.
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- `BDEPEND` Go version tracks upstream's `go.mod` `go` directive.
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- The version string is injected via ldflags into
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`gitea.com/gitea/runner/internal/pkg/ver.version`; CI asserts `gitea-runner --version`
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echoes `v${PV}`. If upstream moves that symbol path, the build "succeeds" but reports
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the wrong version.
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## Bumping to a new upstream version
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This is **automated** by `scripts/bump-version.sh` (run daily by `bump.yaml`, or
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`workflow_dispatch`). To do it manually you must reproduce its steps, because a version
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bump is never just renaming the ebuild — the vendor tarball must be regenerated and
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re-uploaded as a release asset, or the build will fail Manifest verification. The script:
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1. Reads the latest `vX.Y.Z` from upstream `releases.rss`; compares to the newest
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committed ebuild. Exits early if up to date or if a `bump/gitea-runner-<ver>` branch
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already exists.
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2. Downloads the source archive, runs `go mod vendor`, packs a reproducible
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`*-vendor.tar.xz` (`--sort=name --mtime='UTC 1970-01-01' --owner=0 --group=0`).
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3. Creates/reuses a release tagged `${PN}-${ver}-vendor` and uploads the tarball asset.
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4. `git mv`s the ebuild to the new version, rewrites `BDEPEND`'s Go version from
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upstream `go.mod`, and regenerates the Manifest with `pkgdev manifest` (after copying
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both distfiles into `/var/cache/distfiles` and wiring a temporary `repos.conf`).
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5. Validates: `pkgcheck scan`, then `emerge` + `gitea-runner --version | grep v${ver}`.
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6. Commits, pushes the branch, opens a PR against `master`.
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Requires a `BUMP_TOKEN` repo secret (scopes: repository read/write, write release) plus
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a Gentoo env with `go pkgdev git curl xz jq`.
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## CI (`.gitea/workflows/ci.yaml`)
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Runs on every push inside a `gentoo/stage3:amd64-openrc` container (the `runs-on` label
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only schedules onto the Docker-backend runner). Steps: `emerge-webrsync` to sync
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`::gentoo` → configure portage (disables binpkg signature verification so prebuilt deps
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like `dev-lang/go` are pulled, not compiled) → **check out via `curl + tar`, not
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`actions/checkout`** (it breaks on SHA-256 Gitea repos) into `/var/db/repos/azy5030` →
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`pkgcheck scan` → `emerge` → assert `gitea-runner --version` matches the ebuild version.
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## Conventions / gotchas
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- **YAML** is linted by `.yamllint.yaml` (relaxed: line-length and document-start
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disabled; `truthy.check-keys: false` so `on:` is allowed unquoted).
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- `metadata/md5-cache/` is **gitignored** — portage regenerates it on sync, so never
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commit it (a stale `gitea-runner-1.0.4` file may linger on disk untracked).
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- The bump script and CI deliberately preserve the scheme of `GITHUB_SERVER_URL`: on the
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self-hosted runner it is an internal `http://` endpoint. Don't hardcode `https`.
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- New packages must be added to `profiles/categories` (currently just `dev-util`).
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