$ git clone -n https://src.fedoraproject.org/rpms/rust-opener.git /var/lib/mock/f40-build-2325672-58813/root/chroot_tmpdir/scmroot/rust-opener
Cloning into '/var/lib/mock/f40-build-2325672-58813/root/chroot_tmpdir/scmroot/rust-opener'...
$ git fetch origin e408b9fd09bf50ee76a8b961555cdbbc596c7b4c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-opener
 * [new ref]         e408b9fd09bf50ee76a8b961555cdbbc596c7b4c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e408b9f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild