$ git clone -n https://src.fedoraproject.org/rpms/rust.git /var/lib/mock/f33-build-150228-43263/root/chroot_tmpdir/scmroot/rust
Cloning into '/var/lib/mock/f33-build-150228-43263/root/chroot_tmpdir/scmroot/rust'...
$ git reset --hard a4c430044f977fcf79dd3ee63f1e69a6ba1f5489
HEAD is now at a4c4300 Update to 1.42.0.