$ git clone -n https://src.fedoraproject.org/rpms/zaz.git /var/lib/mock/f45-build-39324-733/root/chroot_tmpdir/scmroot/zaz
Cloning into '/var/lib/mock/f45-build-39324-733/root/chroot_tmpdir/scmroot/zaz'...
$ git fetch origin 1f3d02693f06a12030e5c7d9a0971139a473f4bc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zaz
 * [new ref]         1f3d02693f06a12030e5c7d9a0971139a473f4bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f3d026 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild