go-ci

Go CI: unit tests, race-enabled checks, and cmd/internal structure #5

	name: go-ci

	on:
	pull_request:
	branches: ["main"]
	paths:
	- "collector/**"
	- "proxy/**"
	- ".github/workflows/go-ci.yaml"

	permissions:
	contents: read

	jobs:
	go-checks:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	module: [collector, proxy]

	defaults:
	run:
	shell: bash

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Setup Go
	uses: actions/setup-go@v5
	with:
	go-version-file: ${{ matrix.module }}/go.mod
	cache: true
	cache-dependency-path: \|
	${{ matrix.module }}/go.sum

	- name: gofmt (check)
	working-directory: ${{ matrix.module }}
	run: \|
	set -euo pipefail
	unformatted="$(gofmt -l .)"
	if [ -n "$unformatted" ]; then
	echo "gofmt required in:"
	echo "$unformatted"
	exit 1
	fi

	- name: go mod tidy (check)
	working-directory: ${{ matrix.module }}
	run: \|
	set -euo pipefail
	go mod tidy
	git diff --exit-code -- go.mod go.sum

	- name: go mod verify
	working-directory: ${{ matrix.module }}
	run: \|
	set -euo pipefail
	go mod verify

	- name: go vet
	working-directory: ${{ matrix.module }}
	run: \|
	set -euo pipefail
	go vet ./...

	- name: go test (race)
	working-directory: ${{ matrix.module }}
	run: \|
	set -euo pipefail
	go test -race ./...

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