$ git clone -n https://src.fedoraproject.org/rpms/python-ana.git /var/lib/mock/f45-build-29340-637/root/chroot_tmpdir/scmroot/python-ana
Cloning into '/var/lib/mock/f45-build-29340-637/root/chroot_tmpdir/scmroot/python-ana'...
$ git fetch origin bfb4a7f342933b2a9ee1bfc3bfadc45747f4474e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-ana
 * [new ref]         bfb4a7f342933b2a9ee1bfc3bfadc45747f4474e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bfb4a7f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild