$ git clone -n https://src.fedoraproject.org/rpms/cvs2cl.git /var/lib/mock/f41-build-1034591-18640/root/chroot_tmpdir/scmroot/cvs2cl
Cloning into '/var/lib/mock/f41-build-1034591-18640/root/chroot_tmpdir/scmroot/cvs2cl'...
$ git fetch origin 5d555ab28048e6fceb7111864c1c483552f6602b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cvs2cl
 * [new ref]         5d555ab28048e6fceb7111864c1c483552f6602b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d555ab Eliminate use of obsolete %patchN syntax (#2283636)