build: add cross-platform release target, tea publish, and Gitea Actions release
release / release (push) Successful in 3m33s

- Makefile `release`: cross-compiles CGO-free static binaries for linux/amd64,
  linux/arm64, darwin/amd64, darwin/arm64, windows/amd64 into dist/, named
  emcli_<version>_<os>_<arch>[.exe] (matching skills/emcli/scripts/install.sh),
  plus a sha256 checksums.txt. VERSION is injected into internal/version.String.
- Makefile `publish`: creates the Gitea release and uploads all dist/ assets via tea.
- .gitea/workflows/release.yml: on a v* tag, build + publish via the Gitea API.
- RELEASING.md: the local (make) and CI flows.

Verified end-to-end: `make release VERSION=v0.4.0` builds all five assets with the
version baked in; serving them locally, skills/emcli/scripts/install.sh downloads,
passes checksum verification, and the installed binary reports v0.4.0.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-06-22 20:32:22 +01:00
parent 7ad4f1adc2
commit 5e3101647d
3 changed files with 152 additions and 4 deletions
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# Builds cross-platform binaries and publishes a Gitea release when a version tag
# (e.g. v0.4.0) is pushed. Produces the same assets as `make release` and uploads
# them — so the skill installer (skills/emcli/scripts/install.sh) can fetch them.
#
# Requires: Gitea Actions enabled with a runner that has Go, make, curl, and jq
# (the actions/checkout + actions/setup-go steps need the instance's Actions proxy).
# This workflow has not been exercised against this repo's runners yet; if a step
# is unavailable on your runner, the same result comes from `make release && make
# publish` locally (see RELEASING.md).
name: release
on:
push:
tags:
- 'v*'
jobs:
release:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- uses: actions/setup-go@v5
with:
go-version-file: go.mod
- name: Build release artifacts
run: make release VERSION="${GITHUB_REF_NAME}"
- name: Create release and upload assets
env:
TOKEN: ${{ github.token }}
SERVER: ${{ github.server_url }}
REPO: ${{ github.repository }}
TAG: ${{ github.ref_name }}
run: |
set -euo pipefail
# Create the release for the pushed tag.
id=$(curl -fsSL -X POST \
-H "Authorization: token ${TOKEN}" \
-H "Content-Type: application/json" \
"${SERVER}/api/v1/repos/${REPO}/releases" \
-d "{\"tag_name\":\"${TAG}\",\"name\":\"${TAG}\"}" | jq -r '.id')
echo "release id: ${id}"
# Upload every built asset (binaries + checksums.txt).
for f in dist/*; do
name=$(basename "$f")
echo "uploading ${name}"
curl -fsSL -X POST \
-H "Authorization: token ${TOKEN}" \
-F "attachment=@${f}" \
"${SERVER}/api/v1/repos/${REPO}/releases/${id}/assets?name=${name}" >/dev/null
done
echo "published ${TAG}"
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BINARY := emcli
LDFLAGS := -s -w
BINARY := emcli
DIST := dist
VERPKG := git.dcglab.co.uk/steve/emcli/internal/version
# VERSION defaults to the current git tag/description; override for a release:
# make release VERSION=v0.4.0
VERSION ?= $(shell git describe --tags --always --dirty 2>/dev/null || echo v0.0.0-dev)
VER_NO_V := $(patsubst v%,%,$(VERSION))
LDFLAGS := -s -w -X $(VERPKG).String=$(VERSION)
# Platforms to cross-compile for a release. Must match skills/emcli/scripts/install.sh.
PLATFORMS := linux/amd64 linux/arm64 darwin/amd64 darwin/arm64 windows/amd64
.PHONY: build test vet release clean-dist publish
.PHONY: build test vet
build:
CGO_ENABLED=0 go build -ldflags "$(LDFLAGS)" -o $(BINARY) ./cmd/emcli
CGO_ENABLED=0 go build -trimpath -ldflags "$(LDFLAGS)" -o $(BINARY) ./cmd/emcli
test:
go test ./...
vet:
go vet ./...
# release cross-compiles a static binary per platform into dist/, named
# emcli_<version>_<os>_<arch>[.exe], plus a checksums.txt of all assets.
release: clean-dist
@mkdir -p $(DIST)
@for p in $(PLATFORMS); do \
os=$${p%/*}; arch=$${p#*/}; ext=; \
[ "$$os" = windows ] && ext=.exe; \
out=$(DIST)/$(BINARY)_$(VER_NO_V)_$${os}_$${arch}$${ext}; \
echo " building $$out"; \
CGO_ENABLED=0 GOOS=$$os GOARCH=$$arch \
go build -trimpath -ldflags "$(LDFLAGS)" -o $$out ./cmd/emcli || exit 1; \
done
@cd $(DIST) && { command -v sha256sum >/dev/null 2>&1 \
&& sha256sum $(BINARY)_* > checksums.txt \
|| shasum -a 256 $(BINARY)_* > checksums.txt; }
@echo "release $(VERSION) artifacts in $(DIST)/:"
@ls -1 $(DIST)
clean-dist:
@rm -rf $(DIST)
# publish creates the Gitea release for $(VERSION) and uploads every dist asset.
# Run `make release VERSION=vX.Y.Z` first. Requires the `tea` CLI to be logged in.
publish:
@test -d $(DIST) || { echo "no $(DIST)/ — run 'make release VERSION=$(VERSION)' first"; exit 1; }
tea releases create --repo steve/emcli --tag $(VERSION) --title $(VERSION) \
$(foreach a,$(wildcard $(DIST)/*),--asset $(a))
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# Releasing emcli
A release publishes one static binary per platform plus a `checksums.txt`, named so the agent skill
installer (`skills/emcli/scripts/install.sh`) can fetch them:
```
emcli_<version>_<os>_<arch>[.exe] e.g. emcli_0.4.0_linux_amd64
checksums.txt sha256, one "<sum> <asset>" line per asset
```
Platforms: `linux/amd64`, `linux/arm64`, `darwin/amd64`, `darwin/arm64`, `windows/amd64`. The binary
is CGO-free, so cross-compilation needs only the Go toolchain.
## Option A — local (Makefile + tea)
```bash
# 1. Build the artifacts into dist/ (version is injected into `emcli version`)
make release VERSION=v0.4.0
# 2. Create the Gitea release for the tag and upload every dist/ asset
make publish VERSION=v0.4.0
```
`make publish` uses the `tea` CLI (already configured for this repo). It runs:
```
tea releases create --repo steve/emcli --tag v0.4.0 --title v0.4.0 --asset dist/<each-file>
```
Inspect `dist/` and `dist/checksums.txt` before publishing if you want to double-check.
## Option B — CI (Gitea Actions)
Push a version tag and let `.gitea/workflows/release.yml` build and publish:
```bash
git tag v0.4.0
git push origin v0.4.0 # (push via the tokenized HTTPS URL this repo uses)
```
The workflow runs `make release` and uploads the assets to the release via the Gitea API. It needs
Gitea Actions enabled with a runner that provides Go, make, curl, and jq. It hasn't been exercised
against this repo's runners yet — if it doesn't fit your runner setup, fall back to Option A.
## After a release
The skill installer defaults to `EMCLI_VERSION=v0.4.0`. When you cut a different version, either
publish under that tag or update the default in `skills/emcli/scripts/install.sh` (and the note in
`skills/emcli/references/install.md`).
## Versioning
`VERSION` is injected at build time into `internal/version.String` via `-ldflags -X`, so
`emcli version` prints the released tag. Without an explicit `VERSION`, the Makefile derives one from
`git describe`.