ci: add GitHub Actions workflow with golangci-lint - #1
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Adds CI that runs on push to main and on pull requests: - test job: build, vet, and `go test -race` on Go 1.21 (go.mod minimum) and 1.26 (latest). CGO_ENABLED is pinned to 1 since the libdeflate C sources are compiled at build time and need a C toolchain (present on ubuntu-latest). - lint job: golangci-lint v2.12.2 via golangci-lint-action@v9, on Go 1.26. The .golangci.yml (v2 schema) uses the standard linter set (errcheck, govet, ineffassign, staticcheck, unused) plus misspell, unconvert, revive, bodyclose and nilerr, with gofmt/goimports as formatters. Verified with `golangci-lint config verify` and green against the current tree.
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What
Adds continuous integration for the module. There was no CI before this PR.
Two jobs, triggered on push to
mainand on every pull request:testgo build,go vet, andgo test -race -count=1go.modminimum) and 1.26 (latest)CGO_ENABLED=1is set explicitly — this is a cgo package (the bundled libdeflate C sources are compiled at build time), so every step needs a C toolchain.ubuntu-latestships gcc.lintgolangci-lintv2.12.2 viagolangci/golangci-lint-action@v9, on Go 1.26.Lint config (
.golangci.yml, v2 schema)Uses the
standardlinter set (errcheck,govet,ineffassign,staticcheck,unused) plusmisspell,unconvert,revive,bodyclose,nilerr, withgofmt/goimportsas formatters.Validated locally with golangci-lint v2.12.2 —
config verifypasses andrunreports 0 issues against the current tree, so CI is green from the first run. The vendoredlibdeflate/C directory contains no Go and is excluded defensively.Notes