$ git clone -n https://src.fedoraproject.org/rpms/deepin-dock.git /var/lib/mock/f40-build-796689-140843/root/chroot_tmpdir/scmroot/deepin-dock
Cloning into '/var/lib/mock/f40-build-796689-140843/root/chroot_tmpdir/scmroot/deepin-dock'...
$ git fetch origin c2fda572ff5d32b7b92e77b08a3db4eeef227a8f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/deepin-dock
 * [new ref]         c2fda572ff5d32b7b92e77b08a3db4eeef227a8f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c2fda57 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild