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macOS is no longer deferred — built natively on a Tart (Apple-Silicon) runner (real hardware → licensed SDK, no grey area). Amendment documents release-macos.yaml (dispatch-only, needs main), the libiconv de-nix + ad-hoc re-sign, the runner-label `:host` backend nuance, generation-based cache pruning, and D2-on-macOS (system libs only). All six D1 targets now produce artifacts. Updates the deferred list + index entry.
24 lines
7.0 KiB
Markdown
24 lines
7.0 KiB
Markdown
# CI / Build Architecture Decision Records
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Decision records for the **continuous-integration + release pipeline**
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subproject — the Gitea Actions workflows under `.gitea/`, the nix CI image,
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and the release tooling. These are kept in their own namespace, separate
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from the project-wide ADRs in [`docs/adr/`](../../adr/README.md), so CI
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decisions never compete with the main global ADR sequence for numbers — the
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same split the website subproject uses (`docs/website/adr/`, on the `website`
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branch), and for the same reason (see
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[ADR-0000 "Numbering discipline"](../../adr/0000-record-architecture-decisions.md)).
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**Numbering.** Files are named `<date>-adr-ci-<NNN>.md` and referenced in
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prose as `ADR-ci-NNN`. The `<date>` (the ADR's accepted/created day,
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`YYYYMMDD`) plus the `ci` segment keeps the namespace disjoint from `main`'s
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integers. Assign the next free `NNN` from this index. Every ADR change
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updates this index in the same edit (the ADR-0000 index-upkeep rule applies
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here too).
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## Index
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- [ADR-ci-001 — CI + release pipeline on Gitea Actions](20260612-adr-ci-001.md) — **Accepted 2026-06-12** (implemented the same day on the `ci` branch). Establishes the CI/release pipeline on the self-hosted Gitea instance's Actions runner (`ci-public`). **Runner model** (established by a throwaway probe): jobs execute *inside* a container (`catthehacker/ubuntu:act-22.04` by default), as root, so the runner host's nix is **not** reachable from steps. **Toolchain delivery:** a **baked CI image** — `node:22-bookworm-slim` (satisfies the act_runner job-container contract: `/bin/sleep` keep-alive, `bash`, `node` for JS actions; a bare `nixos/nix` image lacks these and won't start) **+ single-user nix + the flake's devShell pre-warmed** — built by `build-ci-image.yaml` via DinD and pushed to the Gitea container registry as a **public** package, so CI runs `nix develop -c …` against the **same pinned toolchain as dev** (the flake, ADR-ci-002) with a warm store (~1.4 s to a ready toolchain). **Gate** (`ci.yaml`): `clippy -D warnings` + `cargo test` inside that image on branch pushes + PRs; **fmt deliberately not gated** (the tree isn't stock-rustfmt-clean — user decision, revisit on `main`; see ADR-ci-002). **Release** (`release.yaml`): on a `v*` tag, runs the tests, builds the **static `x86_64-unknown-linux-musl` binary** (D2: single static binary, no runtime deps — the glibc/nix build is non-portable), strips it, and publishes it + a `.sha256` to a Gitea release via the API and the auto-provided `GITEA_TOKEN`. **Triggers:** gate + image-build are scoped to **branch** pushes (`branches: ['**']`) so a release tag doesn't spuriously re-run them; the image-build additionally path-filters to its inputs (Dockerfile/flake/toolchain); the release owns tags. **Auth:** a dedicated PAT (`REGISTRY_USERNAME`/`REGISTRY_TOKEN` secrets) pushes the image; the auto `GITEA_TOKEN` publishes releases. **Scope:** the original release job was Linux x86_64 only; it's now the **four non-macOS D1 targets** (Linux + Windows × x86_64/aarch64) cross-built via cargo-zigbuild — see **ADR-ci-003**. macOS, D3 package-manager manifests, CI-speed dependency caching, and the website's static→Cloudflare deploy remain deferred, added step by step. Verified live: probe → runner facts; image built + checked locally; gate green (**2424 tests**); release exercised end-to-end (`v0.0.0-citest2` published with binary + checksum). Builds on **ADR-ci-002** (the nix flake, relocated here from main's ADR-0049 to avoid exactly this cross-branch collision).
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- [ADR-ci-002 — Nix flake for a reproducible dev + build environment](20260612-adr-ci-002.md) — **Accepted 2026-06-12** (relocated from main's **ADR-0049** on the same day — content unchanged — to keep CI/dev-env decisions out of `main`'s integer sequence). The single, version-pinned declaration of the **dev *and* build toolchain** so CI never relies on whatever Rust is on the build machine — mirroring **datamage ADR 0046**, but far simpler (pure-Rust TUI). Root **Nix flake** with two outputs: **`devShells.default`** (pinned **Rust 1.95.0** via `rust-toolchain.toml` + `rust-overlay`, `cargo-sweep`, and the musl cc for the static release build) and **`packages.default`** (`rustPlatform.buildRustPackage` from the committed `Cargo.lock`; `doCheck = false`). Exact-pin (not floating `stable`) so `nix flake update` can't surprise-bump clippy past the `-D warnings` gate. System inputs near-empty by design (`libsqlite3-sys bundled` → stdenv cc only; `arboard`→`x11rb` pure-Rust). `.envrc` (`use flake`) for direnv parity. Verified through the flake: `nix build` yields a working binary, clippy clean, **2424 tests pass / 0 fail / 1 intentional ignored doctest**. Consumed by **ADR-ci-001** (the pipeline). Alternatives rejected: dev-shell-only; a standard `rust:1.95` CI image (a second toolchain definition = drift); `rustup` on the build host (non-reproducible).
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- [ADR-ci-003 — Cross-platform release builds (the D1 matrix)](20260613-adr-ci-003.md) — **Accepted 2026-06-13** (implemented + a real matrix release verified the same day — tag `v.0.0.0-citest3` published 8 assets). Cross-compiles the **four non-macOS D1 targets** from the Linux x86_64 runner with **`cargo-zigbuild`** (Zig's bundled clang + libc as one universal cross cc/linker, incl. rusqlite's bundled SQLite C; added to the flake devShell, replacing the single-target musl cc): **`x86_64`/`aarch64-unknown-linux-musl`** (musl + crt-static → fully static, **D2**) and **`x86_64-pc-windows-gnu`** / **`aarch64-pc-windows-gnullvm`** (Zig statically links libc → standalone `.exe`). **Windows `synchronization` stub:** Rust std links `-lsynchronization` (WaitOnAddress thread-parking), an import lib rust-overlay's toolchain doesn't ship and Zig's mingw lacks; the symbols are forwarded by `kernel32`, so an **empty 8-byte stub** `libsynchronization.a` (`ci/winstub/`, wired via `.cargo/config.toml` for the Windows targets only) satisfies the linker. **Workflow:** `release.yaml` = **`test` once (host) → `build` matrix** over the four targets (`needs: test`, `fail-fast: false`); each job packages binary (`.exe` for Windows) + `.sha256` and uploads to the **shared release** via idempotent create-or-get. **macOS** (2026-06-14 amendment) — built natively on a **Tart (Apple-Silicon) runner** (`runs-on: macos`), which makes the SDK fully licensed and dissolves the grey-area/public-image problem; `release-macos.yaml` is **dispatch-only** (intermittent runner; becomes triggerable once CI is on `main`), de-nixes the binary's libiconv load path (`install_name_tool` → `/usr/lib`) + re-signs ad-hoc, and uploads to the tagged release. **D1 complete (all six targets).** Alternatives rejected: `cross` (no macOS, needs DinD), per-target nix cross (Windows-aarch64 unpackaged, macOS-from-Linux unsupported), a real `libsynchronization.a` (more machinery, doesn't cover Windows-aarch64). Runtime-verified by the user (2026-06-13): Linux x86_64 + Windows aarch64 run correctly; Linux aarch64 + Windows x86_64 are the outstanding runtime checks. Builds on ADR-ci-002 (flake) and fills in ADR-ci-001 §3 (Release).
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