$ git clone -n https://gitee.com/src-opencloudos-rpms/gdk-pixbuf2.git /var/lib/mock/dist-oc9-build-81126-54720/root/chroot_tmpdir/scmroot/gdk-pixbuf2
Cloning into '/var/lib/mock/dist-oc9-build-81126-54720/root/chroot_tmpdir/scmroot/gdk-pixbuf2'...
$ git fetch origin 9bd9918cbe775588f1ce32b1b0ab2cd596362fc0:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gdk-pixbuf2
 * [new ref]         9bd9918cbe775588f1ce32b1b0ab2cd596362fc0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9bd9918 import gdk-pixbuf2-2.42.10-4.tl4