$ git clone -n https://src.fedoraproject.org/rpms/rust-base100.git /var/lib/mock/f33-build-164031-43473/root/chroot_tmpdir/scmroot/rust-base100
Cloning into '/var/lib/mock/f33-build-164031-43473/root/chroot_tmpdir/scmroot/rust-base100'...
$ git reset --hard e4ba2ab0951182facfac9640b73fdb0e6eb30fe8
HEAD is now at e4ba2ab Regenerate