$ git clone -n https://src.fedoraproject.org/rpms/OpenMesh.git /var/lib/mock/f41-build-1111432-20153/root/chroot_tmpdir/scmroot/OpenMesh
Cloning into '/var/lib/mock/f41-build-1111432-20153/root/chroot_tmpdir/scmroot/OpenMesh'...
$ git fetch origin 6d64c3bad06256ace6920419c30686b6c558400c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/OpenMesh
 * [new ref]         6d64c3bad06256ace6920419c30686b6c558400c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d64c3b Eliminate use of obsolete %patchN syntax (#2283636)