$ git clone -n https://src.fedoraproject.org/rpms/deepin-image-viewer.git /var/lib/mock/f40-build-797202-141191/root/chroot_tmpdir/scmroot/deepin-image-viewer
Cloning into '/var/lib/mock/f40-build-797202-141191/root/chroot_tmpdir/scmroot/deepin-image-viewer'...
$ git fetch origin bfeb5aa449bd8f2714129ccabf9dfad93b2261e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/deepin-image-viewer
 * [new ref]         bfeb5aa449bd8f2714129ccabf9dfad93b2261e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bfeb5aa Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild