$ git clone -n https://src.fedoraproject.org/rpms/yaml-cpp.git /var/lib/mock/f31-build-61204-28834/root/chroot_tmpdir/scmroot/yaml-cpp
Cloning into '/var/lib/mock/f31-build-61204-28834/root/chroot_tmpdir/scmroot/yaml-cpp'...
$ git reset --hard f39db6ecf42e4661922023c81e997eee8d108b00
HEAD is now at f39db6e Remove unused boost dependency