$ git clone -n https://gitee.com/src-opencloudos-rpms/gtk3.git /var/lib/mock/dist-oc9-build-122949-72582/root/chroot_tmpdir/scmroot/gtk3
Cloning into '/var/lib/mock/dist-oc9-build-122949-72582/root/chroot_tmpdir/scmroot/gtk3'...
$ git fetch origin f0312dbf45540d419acadfef75a40ed2526d71a7:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gtk3
 * [new ref]         f0312dbf45540d419acadfef75a40ed2526d71a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0312db import gtk3-3.24.38-7.tl4