$ git clone -n https://src.fedoraproject.org/rpms/rust-pyo3-ffi0.17.git /var/lib/mock/f38-build-side-43-rust-devel-1413559-31444/root/chroot_tmpdir/scmroot/rust-pyo3-ffi0.17
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1413559-31444/root/chroot_tmpdir/scmroot/rust-pyo3-ffi0.17'...
$ git fetch origin 701007986077d29ee5fb7c21f2f62ccce1d3af2a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pyo3-ffi0.17
 * [new ref]         701007986077d29ee5fb7c21f2f62ccce1d3af2a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7010079 Initial import (pyo3-ffi 0.17 compat package)