$ git clone -n https://src.fedoraproject.org/rpms/rust-num0.3.git /var/lib/mock/f40-build-2682064-67963/root/chroot_tmpdir/scmroot/rust-num0.3
Cloning into '/var/lib/mock/f40-build-2682064-67963/root/chroot_tmpdir/scmroot/rust-num0.3'...
$ git fetch origin 5ea05453d1ea12bc255d63531af63d7405ea6db2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-num0.3
 * [new ref]         5ea05453d1ea12bc255d63531af63d7405ea6db2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ea0545 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild