$ git clone -n https://src.fedoraproject.org/rpms/rust-sync_wrapper.git /var/lib/mock/f40-build-2716991-72713/root/chroot_tmpdir/scmroot/rust-sync_wrapper
Cloning into '/var/lib/mock/f40-build-2716991-72713/root/chroot_tmpdir/scmroot/rust-sync_wrapper'...
$ git fetch origin 6d8d8b6e1b969ecb6ab611fb117af5ef459f3e3b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sync_wrapper
 * [new ref]         6d8d8b6e1b969ecb6ab611fb117af5ef459f3e3b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d8d8b6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild