$ git clone -n https://gitee.com/src-opencloudos-rpms/gdk-pixbuf2.git /var/lib/mock/dist-oc9-build-122872-72461/root/chroot_tmpdir/scmroot/gdk-pixbuf2
Cloning into '/var/lib/mock/dist-oc9-build-122872-72461/root/chroot_tmpdir/scmroot/gdk-pixbuf2'...
$ git fetch origin b959d497fe09c5c2147d6a23051812b50241013a:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gdk-pixbuf2
 * [new ref]         b959d497fe09c5c2147d6a23051812b50241013a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b959d49 import gdk-pixbuf2-2.42.10-7.tl4