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LibreMail-Bug-Report-Ingest/.github/workflows/ci.yml
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JMR-devandClaude Opus 4.8 47f9babe35 #26 Fix TinyGo net/http wasm build via pinned upstream patch (Go 1.26)
TinyGo 0.41.1 and earlier vendor tinygo-org/net@e54965e, whose net/http
js/wasm overlay (roundtrip_js.go) calls the private t.roundTrip fallback
removed from Go 1.25+/1.26 net/http, so `pnpm run build` fails to compile
on Go 1.26 (tinygo-org/tinygo#5467). No released TinyGo carries the fix
yet: it landed in tinygo-org/net@1026408a on 2026-04-27, after 0.41.1
shipped 2026-04-22, and is already on TinyGo's dev branch.

Keep Go 1.26 and apply the exact upstream fix in CI before the build:
- .ci/tinygo-net-roundtrip.patch: byte-exact tinygo-org/net@1026408a diff
  (its parent e54965e is the commit 0.41.1 ships), targeting
  src/net/http/roundtrip_js.go.
- ci.yml: new "Patch TinyGo net/http (temporary)" step applies it to
  $(tinygo env TINYGOROOT) via `git apply`, failing loudly on drift.
- .gitattributes: force LF on *.patch so `git apply` works on the Linux
  runner regardless of the committer's platform.
- README: document the temporary patch and its removal condition.

Temporary: remove the patch and the CI step once a TinyGo release later
than 0.41.1 ships the net fix. Tracking #26.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-02 14:06:08 -05:00

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# Continuous integration for the LibreMail bug-report ingest Worker.
#
# Runs on every pull request targeting main and on every push to main. One job
# vets and tests the build-tag-free Go core and then builds the TinyGo/Wasm
# Cloudflare Worker end to end, so a red check reliably means "do not merge".
#
# Supply-chain note: every action (first- and third-party) is pinned to a full
# commit SHA with a trailing "# vX.Y.Z" comment tracking the human-readable
# release, matching the style of .github/workflows/autoupdate.yml.
name: CI
on:
pull_request:
branches: [main]
push:
branches: [main]
# Least privilege: the job only needs read access to check the repo out.
permissions:
contents: read
# Cancel superseded runs for the same ref so rapid pushes don't pile up.
concurrency:
group: ${{ github.workflow }}-${{ github.ref }}
cancel-in-progress: true
jobs:
ci:
name: ci
runs-on: ubuntu-latest
steps:
- name: Check out repository
uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
- name: Set up Go
uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
with:
go-version: '1.26'
# TinyGo is needed only for the Wasm Worker build (pnpm run build).
# install-binaryen (default true) provides wasm-opt, which TinyGo invokes
# for the -target wasm build. 0.41.1's vendored net/http js overlay is
# patched just before the build (see "Patch TinyGo net/http" below).
- name: Set up TinyGo
uses: acifani/setup-tinygo@dd8a7075d951a7595b2ef2123ed0ab1af0c13e56 # v3.0.0
with:
tinygo-version: '0.41.1'
- name: Set up pnpm
uses: pnpm/action-setup@0ebf47130e4866e96fce0953f49152a61190b271 # v6.0.9
with:
version: '10'
# setup-node's pnpm cache needs pnpm already on PATH (hence after
# action-setup); it caches the pnpm store keyed on pnpm-lock.yaml.
- name: Set up Node
uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
with:
node-version: '22'
cache: pnpm
- name: Install Node dependencies
run: pnpm install --frozen-lockfile
- name: Vet Go
run: go vet ./...
- name: Test Go
run: go test ./...
# Robust to future modules: ticket #2 will add an infra/ Go module. Guarded
# with a dir check so this is a no-op until infra/go.mod exists.
- name: Vet and test infra module (if present)
run: |
if [ -f infra/go.mod ]; then
echo "infra/go.mod present; running go vet and go test in infra/"
( cd infra && go vet ./... && go test ./... )
else
echo "infra/go.mod not present; skipping (no-op until ticket #2)"
fi
# TEMPORARY (tracking #26; tinygo-org/tinygo#5467): TinyGo 0.41.1 and
# earlier vendor tinygo-org/net@e54965e, whose net/http js/wasm overlay
# (roundtrip_js.go) calls the private t.roundTrip fallback that no longer
# exists in Go 1.25+/1.26 net/http, so the wasm build fails to compile.
# Apply the exact upstream fix (tinygo-org/net@1026408a) to the installed
# TinyGo source. git apply exits non-zero (failing the job loudly) if the
# source has drifted, so we notice when TinyGo changes upstream.
# TODO: delete this step and .ci/tinygo-net-roundtrip.patch once a TinyGo
# release later than 0.41.1 ships the fix (already on TinyGo's dev branch).
- name: Patch TinyGo net/http (temporary)
run: |
patch_file="$PWD/.ci/tinygo-net-roundtrip.patch"
tinygoroot="$(tinygo env TINYGOROOT)"
echo "Applying $patch_file to $tinygoroot/src/net/http/roundtrip_js.go"
git -C "$tinygoroot" apply --verbose "$patch_file" || {
echo "::error::TinyGo net/http patch did not apply cleanly; TinyGo source may have changed. Update or remove .ci/tinygo-net-roundtrip.patch (see #26)."
exit 1
}
# Confirms the Wasm Worker builds end to end: workers-assets-gen emits the
# JS shim and TinyGo compiles ./worker into build/app.wasm.
- name: Build Wasm Worker
run: pnpm run build