$ git clone -n https://src.fedoraproject.org/rpms/rust-portpicker.git /var/lib/mock/f40-build-2326690-58842/root/chroot_tmpdir/scmroot/rust-portpicker
Cloning into '/var/lib/mock/f40-build-2326690-58842/root/chroot_tmpdir/scmroot/rust-portpicker'...
$ git fetch origin 8b4a2e6a98d6d8ecdc9837d5bf135d02ff46f812:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-portpicker
 * [new ref]         8b4a2e6a98d6d8ecdc9837d5bf135d02ff46f812 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b4a2e6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild