$ git clone -n https://src.fedoraproject.org/rpms/rust-test-case.git /var/lib/mock/f41-build-side-1-2760862-31727/root/chroot_tmpdir/scmroot/rust-test-case
Cloning into '/var/lib/mock/f41-build-side-1-2760862-31727/root/chroot_tmpdir/scmroot/rust-test-case'...
$ git fetch origin 3fda5b2cc63b51647ff0651cb0f1c5d202fcc41e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-test-case
 * [new ref]         3fda5b2cc63b51647ff0651cb0f1c5d202fcc41e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3fda5b2 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild