$ git clone -n https://src.fedoraproject.org/rpms/dxpc.git /var/lib/mock/f41-build-1020571-18013/root/chroot_tmpdir/scmroot/dxpc
Cloning into '/var/lib/mock/f41-build-1020571-18013/root/chroot_tmpdir/scmroot/dxpc'...
$ git fetch origin d75800f6428229389119af340590bc69dcbd5db1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dxpc
 * [new ref]         d75800f6428229389119af340590bc69dcbd5db1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d75800f Eliminate use of obsolete %patchN syntax (#2283636)