$ git clone -n https://src.fedoraproject.org/rpms/rust-pythonize.git /var/lib/mock/f40-build-2083387-49918/root/chroot_tmpdir/scmroot/rust-pythonize
Cloning into '/var/lib/mock/f40-build-2083387-49918/root/chroot_tmpdir/scmroot/rust-pythonize'...
$ git fetch origin 2c050de8a06cc2c87abd6f7c52ea90f3973d3ab6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pythonize
 * [new ref]         2c050de8a06cc2c87abd6f7c52ea90f3973d3ab6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c050de Update to v0.20.0