$ git clone -n https://gitee.com/src-opencloudos-rpms/gtk3.git /var/lib/mock/dist-oc9-build-109736-67107/root/chroot_tmpdir/scmroot/gtk3
Cloning into '/var/lib/mock/dist-oc9-build-109736-67107/root/chroot_tmpdir/scmroot/gtk3'...
$ git fetch origin 3fd737f6e8a111d6cadf4624d7d502480005e53d:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gtk3
 * [new ref]         3fd737f6e8a111d6cadf4624d7d502480005e53d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3fd737f import gtk3-3.24.38-5.tl4