$ git clone -n https://src.fedoraproject.org/rpms/sheepdog.git /var/lib/mock/f33-build-175429-44475/root/chroot_tmpdir/scmroot/sheepdog
Cloning into '/var/lib/mock/f33-build-175429-44475/root/chroot_tmpdir/scmroot/sheepdog'...
$ git reset --hard ff3a31b7604f15816a24ad9a0276da2d16af8d3a
HEAD is now at ff3a31b New patch sha1-extern.patch to fix FTBFS