Nothing appears to benefit from this being non-static, and it was missing from the public API headers as well. ok stsp@

ok op@

Don't make -C imply -c (a break statement was missing). Detect -an and -cn conflicts. Simplify by removing unneeded check for conflicting -aC (since -C requires -c, we can rely on the -ac conflict being detected). Update the man page to say -cC is allowed.

ok stsp@

now that got_get_repo_commits() doesn't look at `action' we can stop fetching the commits during the rendering and bubble up the call. This yields better error messages and better replies codes on failure.

ok stsp

before: gotadmin: lockfile timeout after: gotadmin: gc.pid.lock: lockfile timeout