$ git clone -n https://gitee.com/opencloudos-stream/libavif.git /var/lib/mock/dist-oc9-epol-build-124025-73635/root/chroot_tmpdir/scmroot/libavif
Cloning into '/var/lib/mock/dist-oc9-epol-build-124025-73635/root/chroot_tmpdir/scmroot/libavif'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libavif
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e40473f !1 rebuild for rav1e Merge pull request !1 from Fanjun Kong/master