ci(gitea): add the release workflow and point it at our real runners

Gitea has no hosted runners, so every `runs-on` has to name a machine we
registered ourselves — and the labels in the first draft of this file did
not match what our machines advertise. The only online Linux runner
(`dokploy-runner-01`) offers `ubuntu-latest`/`ubuntu-24.04`/`ubuntu-22.04`,
never `linux-x86_64`, and Gitea's API cannot relabel a runner remotely, so
a `v*` tag would have queued forever against a label nothing served.

The three Linux jobs therefore run on `ubuntu-latest`. That runner is in
container mode against a bare runner-image, so those legs now provision
what they need per run: build-essential, pkg-config, unzip (protoc), tar
and jq, plus rustup when absent — installed with `--default-toolchain none`
so `rust-toolchain.toml` still decides the channel and `rustup show`
materialises it. `prepare` installs jq/curl the same way. macOS stays on
`macos-arm64` and Windows on `windows-x86_64`, both host mode with their
toolchains preinstalled, so the new provisioning step is gated on a
`linux:` matrix key rather than on `ext == 'tar.gz'`, which covers Darwin
too.

docs/RELEASE.md picks up the corrected label table, the fact that
`register --labels` is ignored once config.yaml supplies them, the
registration-token call being a POST (a GET parses as runner id 0 and
404s), and how each host-mode runner is supervised so it survives reboots
and crashes.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
ZacharyZhang-NYandClaude Opus 5 committed 2026-08-10 20:21:22 -04:00
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name: Release
# PRD F8, Gitea edition. On a v* tag push, build the single-file kigi binary
# for the five supported targets, package kigi-<version>-<target-triple>.
# {tar.gz|zip} (binary + LICENSE + NOTICE + THIRD-PARTY-NOTICES), and publish
# them as a Gitea Release alongside SHA256SUMS. install.sh, install.ps1 and
# auto_update::release_asset_name() all resolve these exact names — keep the
# naming in lockstep with them.
#
# RUNNERS. Gitea has no hosted runners; every label below must be a runner you
# registered yourself (docs/RELEASE.md has the register commands):
#
# ubuntu-latest Linux x86_64, container mode — the label the Dokploy box's
# runner already advertises. Builds both Linux targets;
# aarch64 is a cross-compile, so this leg installs the
# aarch64 GNU toolchain. Because the image is a bare
# runner-image, the Linux legs provision their own apt
# packages and rustup (see the provision steps below).
# Registering a dedicated `linux-x86_64:docker://...` runner
# instead is fine — swap the three labels back if you do.
# macos-arm64 Apple Silicon Mac, host mode. Builds both Darwin targets;
# x86_64 is a cross-compile against the same SDK. macOS
# CANNOT be built anywhere else — Apple's SDK licence
# restricts it to Apple hardware.
# windows-x86_64 Windows x86_64, host mode, with VS 2022 Build Tools
# (C++ workload). Needed because the tree links ring,
# mimalloc, zstd-sys and libz-sys against a static MSVC CRT
# (-C target-feature=+crt-static).
#
# SHELLS. Every step names its shell explicitly and the Windows leg never uses
# bash. On a normal Windows box `bash` resolves to WSL (not Git Bash), and
# `pwsh` (PowerShell 7) is usually absent — so Windows steps use `powershell`,
# which is the built-in 5.1. Keep those steps 5.1-compatible: no `&&`, no
# ternary, no null-coalescing.
#
# Note: because this file exists, Gitea ignores .github/workflows entirely.
#
# PUBLISH ORDER. The release is created as a draft and only made public once
# SHA256SUMS is attached, so `releases/latest` never hands the installer a
# release whose checksum manifest is still missing.
on:
push:
tags: ["v*"]
permissions:
contents: write
env:
CARGO_TERM_COLOR: always
# Matches the version pinned by the dotslash launcher in bin/protoc. That
# launcher is not used here: it has no Windows entry and needs a `cargo
# install dotslash` first, so every platform fetches protoc directly.
PROTOC_VERSION: "29.3"
jobs:
prepare:
name: prepare draft release
runs-on: ubuntu-latest
outputs:
release_id: ${{ steps.draft.outputs.release_id }}
steps:
- uses: actions/checkout@v4
- name: Check tag matches workspace version
shell: bash
run: |
tag_version="${GITHUB_REF_NAME#v}"
cargo_version="$(sed -n 's/^version = "\(.*\)"$/\1/p' Cargo.toml | head -n 1)"
if [ "$tag_version" != "$cargo_version" ]; then
echo "Tag $GITHUB_REF_NAME does not match workspace version $cargo_version" >&2
exit 1
fi
- name: Create or reuse draft release
id: draft
shell: bash
env:
TOKEN: ${{ secrets.GITEA_TOKEN }}
API: ${{ github.server_url }}/api/v1/repos/${{ github.repository }}
run: |
set -eu
# The runner-image is bare; jq and curl are both used below.
if ! command -v jq >/dev/null || ! command -v curl >/dev/null; then
SUDO=""; command -v sudo >/dev/null && SUDO=sudo
export DEBIAN_FRONTEND=noninteractive
$SUDO apt-get update -qq
$SUDO apt-get install -y -qq --no-install-recommends jq curl ca-certificates
fi
# Idempotent so a re-run of a failed tag build reuses the same draft
# instead of erroring on a duplicate tag_name.
existing="$(curl -sS -H "Authorization: token $TOKEN" \
"$API/releases/tags/$GITHUB_REF_NAME")"
release_id="$(printf '%s' "$existing" | jq -r '.id // empty')"
if [ -z "$release_id" ]; then
prerelease=false
case "$GITHUB_REF_NAME" in *-*) prerelease=true ;; esac
created="$(curl -fsS -X POST \
-H "Authorization: token $TOKEN" \
-H "Content-Type: application/json" \
-d "{\"tag_name\":\"$GITHUB_REF_NAME\",\"name\":\"$GITHUB_REF_NAME\",\"draft\":true,\"prerelease\":$prerelease}" \
"$API/releases")"
release_id="$(printf '%s' "$created" | jq -r '.id')"
echo "Created draft release $release_id (prerelease=$prerelease)"
else
echo "Reusing release $release_id for $GITHUB_REF_NAME"
fi
echo "release_id=$release_id" >> "$GITHUB_OUTPUT"
build:
name: build (${{ matrix.target }})
needs: prepare
strategy:
fail-fast: false
matrix:
include:
- target: x86_64-unknown-linux-gnu
runner: ubuntu-latest
protoc: linux-x86_64
ext: tar.gz
linux: true
- target: aarch64-unknown-linux-gnu
runner: ubuntu-latest
protoc: linux-x86_64
ext: tar.gz
linux: true
cross_gnu: true
- target: aarch64-apple-darwin
runner: macos-arm64
protoc: osx-aarch_64
ext: tar.gz
- target: x86_64-apple-darwin
runner: macos-arm64
protoc: osx-aarch_64
ext: tar.gz
- target: x86_64-pc-windows-msvc
runner: windows-x86_64
protoc: win64
ext: zip
runs-on: ${{ matrix.runner }}
steps:
- uses: actions/checkout@v4
# ── linux container provisioning ──────────────────────────────────────
# The Linux legs run in a bare gitea runner-image, which ships git and
# node for the JavaScript actions but no compiler, no unzip (protoc) and
# no rustup. Host-mode macOS and Windows already have their toolchains
# installed, so this step is Linux-only.
- name: Provision Linux build deps
if: matrix.linux
shell: bash
run: |
set -eu
SUDO=""; command -v sudo >/dev/null && SUDO=sudo
export DEBIAN_FRONTEND=noninteractive
$SUDO apt-get update -qq
$SUDO apt-get install -y -qq --no-install-recommends \
build-essential pkg-config ca-certificates curl unzip tar jq
# ── protoc ────────────────────────────────────────────────────────────
- name: Install protoc (unix)
if: matrix.ext == 'tar.gz'
shell: bash
run: |
set -eu
url="https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOC_VERSION}/protoc-${PROTOC_VERSION}-${{ matrix.protoc }}.zip"
curl -fsSL -o protoc.zip "$url"
rm -rf "$HOME/protoc"
unzip -q -o protoc.zip -d "$HOME/protoc"
chmod +x "$HOME/protoc/bin/protoc"
echo "$HOME/protoc/bin" >> "$GITHUB_PATH"
- name: Install protoc (windows)
if: matrix.ext == 'zip'
shell: powershell
run: |
$ErrorActionPreference = "Stop"
$url = "https://github.com/protocolbuffers/protobuf/releases/download/v$env:PROTOC_VERSION/protoc-$env:PROTOC_VERSION-${{ matrix.protoc }}.zip"
Invoke-WebRequest -Uri $url -OutFile protoc.zip
$dest = Join-Path $env:USERPROFILE "protoc"
if (Test-Path $dest) { Remove-Item $dest -Recurse -Force }
Expand-Archive protoc.zip -DestinationPath $dest -Force
Add-Content -Path $env:GITHUB_PATH -Value (Join-Path $dest "bin")
# ── toolchain ─────────────────────────────────────────────────────────
# rust-toolchain.toml pins the channel (1.97.0) and preinstalls both
# Linux targets; `rustup show` materialises exactly that.
- name: Install toolchain (unix)
if: matrix.ext == 'tar.gz'
shell: bash
run: |
set -eu
# No-op on the macOS host runner, which has rustup installed already.
# `--default-toolchain none` leaves the channel choice to
# rust-toolchain.toml, which `rustup show` then materialises.
if ! command -v rustup >/dev/null; then
curl --proto '=https' --tlsv1.2 -fsSL https://sh.rustup.rs \
| sh -s -- -y --no-modify-path --profile minimal --default-toolchain none
echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
export PATH="$HOME/.cargo/bin:$PATH"
fi
rustup show
rustup target add ${{ matrix.target }}
- name: Install toolchain (windows)
if: matrix.ext == 'zip'
shell: powershell
run: |
$ErrorActionPreference = "Stop"
rustup show
rustup target add ${{ matrix.target }}
# ring, mimalloc, zstd-sys and libz-sys are all cc-rs builds, so the
# cross target needs its own C toolchain — cc-rs picks these up from the
# target-suffixed vars.
- name: Install aarch64 cross toolchain
if: matrix.cross_gnu
shell: bash
run: |
set -eu
SUDO=""; command -v sudo >/dev/null && SUDO=sudo
$SUDO apt-get update -qq
$SUDO apt-get install -y -qq gcc-aarch64-linux-gnu g++-aarch64-linux-gnu
{
echo "CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc"
echo "CC_aarch64_unknown_linux_gnu=aarch64-linux-gnu-gcc"
echo "CXX_aarch64_unknown_linux_gnu=aarch64-linux-gnu-g++"
echo "AR_aarch64_unknown_linux_gnu=aarch64-linux-gnu-ar"
} >> "$GITHUB_ENV"
# ── build ─────────────────────────────────────────────────────────────
- name: Build kigi (unix)
if: matrix.ext == 'tar.gz'
shell: bash
run: cargo build --profile release-dist -p kigi-bin --locked --target ${{ matrix.target }}
- name: Build kigi (windows)
if: matrix.ext == 'zip'
shell: powershell
run: |
$ErrorActionPreference = "Stop"
cargo build --profile release-dist -p kigi-bin --locked --target ${{ matrix.target }}
if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
# ── package, upload, checksum ─────────────────────────────────────────
# Archives go straight to the release rather than through the artifact
# store: they are large, and the release is the only place install.sh
# can read them from anyway. Only the checksum line travels as an
# artifact, for the publish job to concatenate.
- name: Package and upload (unix)
if: matrix.ext == 'tar.gz'
shell: bash
env:
TOKEN: ${{ secrets.GITEA_TOKEN }}
API: ${{ github.server_url }}/api/v1/repos/${{ github.repository }}
RELEASE_ID: ${{ needs.prepare.outputs.release_id }}
run: |
set -eu
version="${GITHUB_REF_NAME#v}"
archive="kigi-${version}-${{ matrix.target }}.tar.gz"
staging="$(mktemp -d)"
cp "target/${{ matrix.target }}/release-dist/kigi" "$staging/kigi"
cp LICENSE "$staging/"
[ -f NOTICE ] && cp NOTICE "$staging/"
for f in THIRD-PARTY-NOTICES THIRD-PARTY-NOTICES.md; do
[ -f "$f" ] && cp "$f" "$staging/"
done
tar -C "$staging" -czf "$archive" .
curl -fsS -X POST \
-H "Authorization: token $TOKEN" \
-F "attachment=@${archive}" \
"$API/releases/$RELEASE_ID/assets?name=${archive}" > /dev/null
echo "Uploaded $archive"
if command -v sha256sum >/dev/null; then
sha256sum "$archive" > "checksum-${{ matrix.target }}.txt"
else
shasum -a 256 "$archive" > "checksum-${{ matrix.target }}.txt"
fi
cat "checksum-${{ matrix.target }}.txt"
- name: Package and upload (windows)
if: matrix.ext == 'zip'
shell: powershell
env:
TOKEN: ${{ secrets.GITEA_TOKEN }}
API: ${{ github.server_url }}/api/v1/repos/${{ github.repository }}
RELEASE_ID: ${{ needs.prepare.outputs.release_id }}
run: |
$ErrorActionPreference = "Stop"
$version = $env:GITHUB_REF_NAME.TrimStart("v")
$archive = "kigi-$version-${{ matrix.target }}.zip"
$staging = Join-Path $env:RUNNER_TEMP "staging"
if (Test-Path $staging) { Remove-Item $staging -Recurse -Force }
New-Item -ItemType Directory -Force -Path $staging | Out-Null
Copy-Item "target/${{ matrix.target }}/release-dist/kigi.exe" (Join-Path $staging "kigi.exe")
Copy-Item LICENSE $staging
if (Test-Path NOTICE) { Copy-Item NOTICE $staging }
foreach ($f in @("THIRD-PARTY-NOTICES", "THIRD-PARTY-NOTICES.md")) {
if (Test-Path $f) { Copy-Item $f $staging }
}
Compress-Archive -Path (Join-Path $staging "*") -DestinationPath $archive -Force
# System32\curl.exe, not PowerShell's `curl` alias for
# Invoke-WebRequest, which cannot do multipart uploads.
$api = "$env:API/releases/$env:RELEASE_ID/assets?name=$archive"
& "$env:SystemRoot\System32\curl.exe" -fsS -X POST `
-H "Authorization: token $env:TOKEN" `
-F "attachment=@$archive" $api
if ($LASTEXITCODE -ne 0) { throw "asset upload failed ($LASTEXITCODE)" }
Write-Host "Uploaded $archive"
# sha256sum's exact format, so the publish job can just concatenate.
# ASCII keeps the BOM out — a BOM would corrupt the first hash.
$hash = (Get-FileHash -Algorithm SHA256 -Path $archive).Hash.ToLowerInvariant()
"$hash $archive" | Out-File -FilePath "checksum-${{ matrix.target }}.txt" -Encoding ascii
Get-Content "checksum-${{ matrix.target }}.txt"
- uses: actions/upload-artifact@v3
with:
name: checksum-${{ matrix.target }}
path: checksum-${{ matrix.target }}.txt
if-no-files-found: error
publish:
name: publish release
needs: [prepare, build]
runs-on: ubuntu-latest
steps:
- uses: actions/download-artifact@v3
with:
path: checksums
- name: Assemble SHA256SUMS
shell: bash
run: |
set -eu
# download-artifact v3 nests each artifact in its own directory. The
# Windows line arrives CRLF-terminated; strip CR so every line is LF
# for install.sh's `read -r hash name`.
find checksums -name 'checksum-*.txt' -exec cat {} + \
| tr -d '\r' | grep -v '^$' | sort -k2 > SHA256SUMS
lines="$(wc -l < SHA256SUMS)"
if [ "$lines" -ne 5 ]; then
echo "expected 5 checksum lines, got $lines" >&2
cat SHA256SUMS >&2
exit 1
fi
cat SHA256SUMS
- name: Attach SHA256SUMS and publish
shell: bash
env:
TOKEN: ${{ secrets.GITEA_TOKEN }}
API: ${{ github.server_url }}/api/v1/repos/${{ github.repository }}
RELEASE_ID: ${{ needs.prepare.outputs.release_id }}
run: |
set -eu
curl -fsS -X POST \
-H "Authorization: token $TOKEN" \
-F "attachment=@SHA256SUMS" \
"$API/releases/$RELEASE_ID/assets?name=SHA256SUMS" > /dev/null
# Flip the draft public only now that every asset install.sh looks
# for is attached.
curl -fsS -X PATCH \
-H "Authorization: token $TOKEN" \
-H "Content-Type: application/json" \
-d '{"draft":false}' \
"$API/releases/$RELEASE_ID" > /dev/null
echo "Published $GITHUB_REF_NAME"
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# Release checklist (PRD F8)
Kigi ships as a single-file binary for five targets, published on this
repo's GitHub Releases by `.github/workflows/release.yml`. Users install via
repo's Gitea Releases by `.gitea/workflows/release.yml`. Users install via
`install.sh` / `install.ps1` and stay current through the in-app
self-updater (`kigi-update`), which resolves the same Releases API.
`.github/workflows/release.yml` is the retired GitHub pipeline. Gitea ignores
`.github/workflows` entirely whenever `.gitea/workflows` is non-empty, so it
does not run — it is kept only as a reference for the GitHub-hosted layout.
## Cutting a release
1. Bump `[workspace.package] version` in `Cargo.toml`; land the change on
@@ -30,16 +34,146 @@ self-updater (`kigi-update`), which resolves the same Releases API.
`release-dist` profile, packages
`kigi-<version>-<target-triple>.{tar.gz|zip}` archives (binary +
LICENSE + NOTICE + THIRD-PARTY-NOTICES), generates `SHA256SUMS`, and
publishes the GitHub Release. Tags containing `-` (e.g.
publishes the Gitea Release. Tags containing `-` (e.g.
`v0.2.0-alpha.1`) publish as pre-releases, which only the `alpha`
update channel picks up.
The release is created as a **draft** and only flipped public once
`SHA256SUMS` is attached, so `releases/latest` never hands the installer
a release whose checksum manifest is still missing. A failed run leaves
the draft in place; re-pushing the tag reuses it rather than erroring on
a duplicate `tag_name`.
5. Smoke-test an installed artifact:
```sh
curl -fsSL https://raw.githubusercontent.com/ZacharyZhang-NY/Kigi-CLI/main/install.sh | sh
curl -fsSL https://kigicli.dev/install.sh | sh
~/.kigi/bin/kigi --version
```
## Build runners
Gitea has no hosted runners, so all three `runs-on` labels below are machines
we register ourselves with `gitea-runner` (the binary formerly called
`act_runner`). Labels are declared in the runner's `config.yaml` as
`<label>:host` (run directly on the machine) or `<label>:docker://<image>` (run
in a container) — with `gitea-runner` v2, `register --labels` is ignored
whenever a config file supplies them.
| Label | Machine | Mode | Builds |
| ---------------- | ------------------------------ | ------ | -------------------------------------------------- |
| `ubuntu-latest` | the Dokploy box | docker | `x86_64-unknown-linux-gnu`, `aarch64-unknown-linux-gnu` |
| `macos-arm64` | Mac Mini (M4) | host | `aarch64-apple-darwin`, `x86_64-apple-darwin` |
| `windows-x86_64` | ZACHARYZHANG-PC | host | `x86_64-pc-windows-msvc` |
The Linux legs use `ubuntu-latest` because that is what the Dokploy box's
runner already advertises. That image is a bare runner-image, so those legs
provision their own apt packages and rustup per run (`rustup show` then picks
up the `rust-toolchain.toml` pin). If you register a dedicated
`linux-x86_64:docker://…` runner later, change the three Linux `runs-on`
values back to match it.
**The Mac is not optional.** Apple's SDK licence limits macOS builds to
Apple-branded hardware, and the Darwin targets need the real Apple linker
anyway (`.cargo/config.toml` passes `-ObjC` and `-undefined dynamic_lookup`).
There is no supported way to produce our macOS artifacts on the Linux server.
One Apple Silicon Mac covers both Darwin targets — `x86_64-apple-darwin` is a
cross-compile against the same SDK, exactly as the old GitHub `macos-14`
runner did it.
Windows is a softer requirement but still wants a real machine: the tree links
`ring`, `mimalloc`, `zstd-sys` and `libz-sys` against a static MSVC CRT
(`-C target-feature=+crt-static`). Cross-compiling that from Linux with
`cargo-xwin` is possible but means debugging four C builds under `clang-cl`;
a Windows runner with the VS 2022 C++ Build Tools reproduces today's binary
exactly.
Linux arm64 *is* cross-compiled on the x86_64 box — the workflow installs
`gcc-aarch64-linux-gnu` and points `cc-rs` at it. The one thing this loses is
the ability to smoke-test the arm64 binary before publishing (the old GitHub
pipeline did not test it either). Register a native arm64 runner and change
that matrix leg's `runner:` if you want it built natively.
### Registering a runner
Get a registration token from **Settings → Actions → Runners** (repo scope),
your user settings (all your repos) or the site admin panel (instance-wide).
Over the API it is a **POST**, not a GET — a GET is parsed as runner id `0` and
404s:
```sh
curl -fsS -X POST -H "Authorization: token $GITEA_API_TOKEN" \
https://git.zacharyzhang.com/api/v1/user/actions/runners/registration-token
```
Write the labels into `config.yaml` first (see `runner.labels` in
`gitea-runner generate-config`), then register on each machine:
```sh
# Linux (the Dokploy box) — container mode
gitea-runner --config config.yaml register --no-interactive \
--instance https://git.zacharyzhang.com \
--token <REGISTRATION_TOKEN> \
--name kigi-linux-x86_64
# macOS (Apple Silicon) — host mode, needs Xcode CLT + rustup + Node on PATH
gitea-runner --config config.yaml register --no-interactive \
--instance https://git.zacharyzhang.com \
--token <REGISTRATION_TOKEN> \
--name kigi-macos-arm64
# Windows — host mode, needs VS 2022 Build Tools + rustup + Node on PATH
gitea-runner --config config.yaml register --no-interactive `
--instance https://git.zacharyzhang.com `
--token <REGISTRATION_TOKEN> `
--name kigi-windows-x86_64
```
Host-mode runners execute steps with the daemon's own environment, so each
needs its build prerequisites installed up front — and the supervisor that
launches the daemon must put them on `PATH`:
- **macOS**: `xcode-select --install`, `rustup`, and Node (for
`actions/checkout`, which is a JavaScript action).
- **Windows**: VS 2022 Build Tools with the "Desktop development with C++"
workload, `rustup`, Git for Windows, and Node. Every Windows step in the
workflow uses `shell: powershell` (5.1) — never `bash`, which on a normal
Windows box resolves to WSL.
- **Linux (docker mode)**: nothing on the host — the workflow installs
`build-essential`, `jq`, `unzip`, protoc, rustup and the cross toolchain
inside the container per run.
### Keeping the runners alive
Each host-mode runner is supervised so it survives reboots and crashes. Both
supervisors export `CARGO_HOME`/`RUSTUP_HOME` and prepend the toolchain, git
and node directories to `PATH`, because host-mode jobs inherit exactly the
daemon's environment.
| Machine | Supervisor | Manage with |
| -------- | --------------------------------------------- | ------------------------------------------------------ |
| Windows | Task Scheduler task `Gitea Runner (Kigi)` running `C:\Users\zhang\gitea-runner\run-runner.ps1` | `Get-ScheduledTask`, `Start-ScheduledTask`, `Stop-ScheduledTask` |
| macOS | LaunchAgent `com.kigi.gitea-runner` (`KeepAlive`) | `launchctl kickstart -k gui/$(id -u)/com.kigi.gitea-runner` |
`prompt.txt` at the repo root is a one-shot setup prompt for the Mac Mini leg.
Both runners also expose a liveness probe on `http://127.0.0.1:9101/healthz`.
### Gitea-specific things that differ from GitHub
- Workflows live in `.gitea/workflows/`. Once that directory is non-empty,
`.github/workflows/` is ignored completely — you cannot run both.
- The automatic token is `secrets.GITEA_TOKEN`, and the release steps call the
Gitea API directly (`POST /releases`, `POST /releases/{id}/assets`,
`PATCH /releases/{id}`) rather than `softprops/action-gh-release`, which
targets GitHub's API and does not work here.
- `uses:` actions are fetched from `github.com` by default
(`DEFAULT_ACTIONS_URL`), so the runners need outbound access to it — our
GitHub *account* being suspended does not affect downloading public actions.
Absolute URLs (`uses: https://gitea.com/actions/checkout@v4`) work too.
- Artifacts carry only the five checksum lines; the archives themselves go
straight to the release. If `actions/upload-artifact@v3` misbehaves on the
instance, the fallback is to drop the artifact steps and have `publish`
download the archives from the release and hash them there.
## Invariants to keep in lockstep
- Asset naming `kigi-<version>-<target-triple>.{tar.gz|zip}` and the