$ git clone -n https://src.fedoraproject.org/rpms/zita-at1.git /var/lib/mock/f45-build-39362-734/root/chroot_tmpdir/scmroot/zita-at1
Cloning into '/var/lib/mock/f45-build-39362-734/root/chroot_tmpdir/scmroot/zita-at1'...
$ git fetch origin 0bd905d4bb1050979fc84f53f03d0860a2a2d33d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zita-at1
 * [new ref]         0bd905d4bb1050979fc84f53f03d0860a2a2d33d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0bd905d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild