$ git clone -n https://src.fedoraproject.org/rpms/rust-pyo3-macros-backend0.18.git /var/lib/mock/f38-build-side-43-rust-devel-1411575-31436/root/chroot_tmpdir/scmroot/rust-pyo3-macros-backend0.18
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1411575-31436/root/chroot_tmpdir/scmroot/rust-pyo3-macros-backend0.18'...
$ git fetch origin 603c4ed7ab2bad98ecdec45ad2ebb0f713a7667c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pyo3-macros-backend0.18
 * [new ref]         603c4ed7ab2bad98ecdec45ad2ebb0f713a7667c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 603c4ed Use correct Name for compat package