$ git clone -n https://src.fedoraproject.org/rpms/dub.git /var/lib/mock/f40-build-790364-136510/root/chroot_tmpdir/scmroot/dub
Cloning into '/var/lib/mock/f40-build-790364-136510/root/chroot_tmpdir/scmroot/dub'...
$ git fetch origin 642ba70f7b59ebc8c79d2967275f9f7618c682c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dub
 * [new ref]         642ba70f7b59ebc8c79d2967275f9f7618c682c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 642ba70 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild