$ git clone -n https://src.fedoraproject.org/rpms/deja-dup.git /var/lib/mock/f40-build-797931-141640/root/chroot_tmpdir/scmroot/deja-dup
Cloning into '/var/lib/mock/f40-build-797931-141640/root/chroot_tmpdir/scmroot/deja-dup'...
$ git fetch origin e0549dbb814b535806e89b69c4d4f46ec75fd7ca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/deja-dup
 * [new ref]         e0549dbb814b535806e89b69c4d4f46ec75fd7ca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0549db Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild