$ git clone -n https://gitee.com/mgb01105731/libavif_1.git /var/lib/mock/dist-an23.3-build-456469-73650/root/chroot_tmpdir/scmroot/libavif_1
Cloning into '/var/lib/mock/dist-an23.3-build-456469-73650/root/chroot_tmpdir/scmroot/libavif_1'...
$ git fetch origin a23.3:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libavif_1
 * [new branch]      a23.3      -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ff4a9c Rebuild with dav1d 1.4.0