$ git clone -n https://src.fedoraproject.org/rpms/ghc-recaptcha.git /var/lib/mock/f40-build-744058-111535/root/chroot_tmpdir/scmroot/ghc-recaptcha
Cloning into '/var/lib/mock/f40-build-744058-111535/root/chroot_tmpdir/scmroot/ghc-recaptcha'...
$ git fetch origin 070571789557e98466670b8850b4f6a4f6f10d79:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-recaptcha
 * [new ref]         070571789557e98466670b8850b4f6a4f6f10d79 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0705717 bump release