$ git clone -n https://src.fedoraproject.org/rpms/tse3.git /var/lib/mock/f41-build-725872-13123/root/chroot_tmpdir/scmroot/tse3
Cloning into '/var/lib/mock/f41-build-725872-13123/root/chroot_tmpdir/scmroot/tse3'...
$ git fetch origin 7433bca2c97a7ba31673f091f1d4815fbefb9e7e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tse3
 * [new ref]         7433bca2c97a7ba31673f091f1d4815fbefb9e7e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7433bca Eliminate use of obsolete %patchN syntax (#2283636)