$ git clone -n https://src.fedoraproject.org/rpms/tcputils.git /var/lib/mock/f41-build-1041917-18994/root/chroot_tmpdir/scmroot/tcputils
Cloning into '/var/lib/mock/f41-build-1041917-18994/root/chroot_tmpdir/scmroot/tcputils'...
$ git fetch origin ce6d4bde3d3c618d42916a3f4858074a9a4911bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tcputils
 * [new ref]         ce6d4bde3d3c618d42916a3f4858074a9a4911bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce6d4bd Eliminate use of obsolete %patchN syntax (#2283636)