$ git clone -n https://src.fedoraproject.org/rpms/tcmu-runner.git /var/lib/mock/f41-build-1041901-18994/root/chroot_tmpdir/scmroot/tcmu-runner
Cloning into '/var/lib/mock/f41-build-1041901-18994/root/chroot_tmpdir/scmroot/tcmu-runner'...
$ git fetch origin 3b7060af8675cc8c26c0ee053cd0be82d58e68bd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tcmu-runner
 * [new ref]         3b7060af8675cc8c26c0ee053cd0be82d58e68bd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b7060a Eliminate use of obsolete %patchN syntax (#2283636)