$ git clone -n https://src.fedoraproject.org/rpms/yubico-piv-tool.git /var/lib/mock/f33-build-138089-42133/root/chroot_tmpdir/scmroot/yubico-piv-tool
Cloning into '/var/lib/mock/f33-build-138089-42133/root/chroot_tmpdir/scmroot/yubico-piv-tool'...
$ git reset --hard d141d8b44dc833aa06ce8a13321d21657b40f569
HEAD is now at d141d8b Set -std=gnu99 for EL7