Rebuilds a branch the Root no longer signs, once across callers and processes.
Asks again inside the build queue and the cluster claim, so a branch another build already made current is adopted rather than rebuilt.
a realm id or PROCESS_SCOPE
PROCESS_SCOPE
the build options, as buildScope() takes them
buildScope()
a promise of { ok: true, existing: true } when the branch was already current, otherwise the build's answer
{ ok: true, existing: true }
Rebuilds a branch the Root no longer signs, once across callers and processes.
Asks again inside the build queue and the cluster claim, so a branch another build already made current is adopted rather than rebuilt.