$ git clone -n https://gitee.com/src-opencloudos-rpms/gdk-pixbuf2.git /var/lib/mock/dist-oc9-la64-build-133345-78829/root/chroot_tmpdir/scmroot/gdk-pixbuf2
Cloning into '/var/lib/mock/dist-oc9-la64-build-133345-78829/root/chroot_tmpdir/scmroot/gdk-pixbuf2'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gdk-pixbuf2
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b959d49 import gdk-pixbuf2-2.42.10-7.tl4