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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",
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 always runs `go test -mod=readonly -count=1 ./...` with the available
compatible local Go toolchain. 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 `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.