$ git clone -n https://gitee.com/pang-qing/deepin-desktop-base_2.git /var/lib/mock/dist-an23-dde-build-490701-74519/root/chroot_tmpdir/scmroot/deepin-desktop-base_2
Cloning into '/var/lib/mock/dist-an23-dde-build-490701-74519/root/chroot_tmpdir/scmroot/deepin-desktop-base_2'...
$ git fetch origin 31638f59cbe144c4a394ef1f8e68b1237c73f9d4:KOJI_FETCH_HEAD
From https://gitee.com/pang-qing/deepin-desktop-base_2
 * [new ref]         31638f59cbe144c4a394ef1f8e68b1237c73f9d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31638f5 change desktop logo