$ git clone -n https://src.fedoraproject.org/rpms/rust-pythonize.git /var/lib/mock/f40-build-1072775-19731/root/chroot_tmpdir/scmroot/rust-pythonize
Cloning into '/var/lib/mock/f40-build-1072775-19731/root/chroot_tmpdir/scmroot/rust-pythonize'...
$ git fetch origin 01223e7b6ef6bc52ae4e729935c2b4394ccfcaab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pythonize
 * [new ref]         01223e7b6ef6bc52ae4e729935c2b4394ccfcaab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 01223e7 Update to v0.21.1