$ git clone -n https://src.fedoraproject.org/rpms/deepin-desktop-base.git /var/lib/mock/f40-build-2686532-68064/root/chroot_tmpdir/scmroot/deepin-desktop-base
Cloning into '/var/lib/mock/f40-build-2686532-68064/root/chroot_tmpdir/scmroot/deepin-desktop-base'...
$ git fetch origin 4b002b1efa3c095e594223a27533e5285c4e79f7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/deepin-desktop-base
 * [new ref]         4b002b1efa3c095e594223a27533e5285c4e79f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b002b1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild