$ git clone -n https://gitee.com/src-opencloudos-rpms/gdm.git /var/lib/mock/dist-oc9-build-137213-79524/root/chroot_tmpdir/scmroot/gdm
Cloning into '/var/lib/mock/dist-oc9-build-137213-79524/root/chroot_tmpdir/scmroot/gdm'...
$ git fetch origin 19fd9bc2c8a1b96a0941856956205d270bb4ac04:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gdm
 * [new ref]         19fd9bc2c8a1b96a0941856956205d270bb4ac04 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19fd9bc import gdm-41.3-10.tl4.ap.1