$ git clone -n https://src.fedoraproject.org/rpms/rust-pyo3-log.git /var/lib/mock/f45-build-44120-810/root/chroot_tmpdir/scmroot/rust-pyo3-log
Cloning into '/var/lib/mock/f45-build-44120-810/root/chroot_tmpdir/scmroot/rust-pyo3-log'...
$ git fetch origin 05da146939e161d9d35f0d7485b94b7af5b13dff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pyo3-log
 * [new ref]         05da146939e161d9d35f0d7485b94b7af5b13dff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05da146 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild