$ git clone -n https://src.fedoraproject.org/rpms/rust-test-case.git /var/lib/mock/f40-build-2649490-66844/root/chroot_tmpdir/scmroot/rust-test-case
Cloning into '/var/lib/mock/f40-build-2649490-66844/root/chroot_tmpdir/scmroot/rust-test-case'...
$ git fetch origin 6f59f53e8967b04721cff07e6fb77ac3fa3575b2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-test-case
 * [new ref]         6f59f53e8967b04721cff07e6fb77ac3fa3575b2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f59f53 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild