$ git clone -n https://src.fedoraproject.org/rpms/golang-github-nats-io-nkeys.git /var/lib/mock/f45-build-20224-569/root/chroot_tmpdir/scmroot/golang-github-nats-io-nkeys
Cloning into '/var/lib/mock/f45-build-20224-569/root/chroot_tmpdir/scmroot/golang-github-nats-io-nkeys'...
$ git fetch origin f67cd7facb7303e42df3577f0de8bddc68422133:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-nats-io-nkeys
 * [new ref]         f67cd7facb7303e42df3577f0de8bddc68422133 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f67cd7f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild