$ git clone -n https://src.fedoraproject.org/rpms/python-hgapi.git /var/lib/mock/f45-build-30935-648/root/chroot_tmpdir/scmroot/python-hgapi
Cloning into '/var/lib/mock/f45-build-30935-648/root/chroot_tmpdir/scmroot/python-hgapi'...
$ git fetch origin e8d35d43a5496e61fc32cc6367d55ce8ad7492f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-hgapi
 * [new ref]         e8d35d43a5496e61fc32cc6367d55ce8ad7492f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8d35d4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild