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ReleaseKit/docs/consumers/publish.md

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# Source tag publication
Use `releasekit.Publish` to validate a committed candidate and push its exact
annotated source tag:
```go
result, err := releasekit.Publish(ctx, releasekit.ReleaseRequest{
RepositoryDir: "/work/project",
Product: "Example",
Version: "v1.2.3",
Validation: releasekit.ValidationSpec{
Go: releasekit.GoValidationSpec{Race: true, FullVet: true},
},
AdditionalChecks: func(ctx context.Context, candidate releasekit.Candidate) error {
return runProjectChecks(ctx, candidate.RepositoryDir)
},
})
if err != nil {
return err
}
fmt.Println(result.Version, result.CandidateCommit, result.TagObject)
```
Publication captures a clean candidate on `main`, validates its committed
release note, and checks the selected remote before running candidate checks.
It runs one `go test -mod=readonly -count=1 ./...` suite with the available
compatible local Go toolchain. Set `Validation.Go.Race` to run that suite with
`-race`. Set `Validation.Go.FullVet` to run `go vet -mod=readonly ./...` after
successful tests, with test-time vet disabled for that suite. The zero values
keep ordinary test-time vet behavior. It then calls `AdditionalChecks` once
when supplied. The standard suite cannot be replaced;
move product-specific behavior into `AdditionalChecks` and remove repeated
standard-suite commands from custom checks. A failed suite or additional check
prevents tag creation, and wrapped errors preserve their causes.
If race prerequisites are unavailable, the selected suite fails as `go-test`
instead of silently running without the race detector. Full-vet failures are
reported as `go-vet` and stop publication before tag creation.
Set `Validation.Go.CompileTargets` to compile packages for each complete target
pair after tests and vet. This uses `CGO_ENABLED=0`, produces no artifact, and
does not execute target binaries. A failure is reported as `package-compile`
with the selected target and prevents tag creation.
If `Build` selects targets, ReleaseKit verifies them after the standard suite
and additional checks, before creating the tag. The operation then rechecks the
candidate and remote guards, creates an annotated tag for the captured commit,
and pushes only that tag object.
A successful result means Git confirmed the push or an exact authoritative tag
query confirmed it after a push error. The local tag is retained after a failed
push. `PublicationState` distinguishes a known failure, conflict, confirmed
publication, and unresolved outcome. Resolve an unknown result against the
captured endpoint before retrying; see the [maintainer procedure](../release.md)
for the recovery steps. The [CLI contract](../cli.md) documents command output
and exit statuses.