$ git clone -n https://src.fedoraproject.org/rpms/qpid-proton.git /var/lib/mock/f31-build-48385-27103/root/chroot_tmpdir/scmroot/qpid-proton
Cloning into '/var/lib/mock/f31-build-48385-27103/root/chroot_tmpdir/scmroot/qpid-proton'...
$ git reset --hard b3e09e0e22fa87e8f09c42e3f47b2921e11c23b2
HEAD is now at b3e09e0 Rebuild (jsoncpp)