$ git clone -n https://src.fedoraproject.org/rpms/rust-pythonize.git /var/lib/mock/f45-build-44181-811/root/chroot_tmpdir/scmroot/rust-pythonize
Cloning into '/var/lib/mock/f45-build-44181-811/root/chroot_tmpdir/scmroot/rust-pythonize'...
$ git fetch origin fbe535264d56b2e0531df2bb554cf8c3f76cb399:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pythonize
 * [new ref]         fbe535264d56b2e0531df2bb554cf8c3f76cb399 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fbe5352 Update to version 0.29.0; Fixes RHBZ#2392118