$ git clone -n https://src.fedoraproject.org/rpms/rust-pyo3_0.19.git /var/lib/mock/f40-build-1924374-25102/root/chroot_tmpdir/scmroot/rust-pyo3_0.19
Cloning into '/var/lib/mock/f40-build-1924374-25102/root/chroot_tmpdir/scmroot/rust-pyo3_0.19'...
$ git fetch origin 696086d41634af4afc9e512df9d2d9215c742e7e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pyo3_0.19
 * [new ref]         696086d41634af4afc9e512df9d2d9215c742e7e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 696086d Backport support for Python 3.13