$ git clone -n https://gitee.com/pang-qing/deepin-desktop-base_2.git /var/lib/mock/dist-an23-dde-build-490352-74489/root/chroot_tmpdir/scmroot/deepin-desktop-base_2
Cloning into '/var/lib/mock/dist-an23-dde-build-490352-74489/root/chroot_tmpdir/scmroot/deepin-desktop-base_2'...
$ git fetch origin baf7eba38392e48e5274cae6bff81c7f3845307e:KOJI_FETCH_HEAD
From https://gitee.com/pang-qing/deepin-desktop-base_2
 * [new ref]         baf7eba38392e48e5274cae6bff81c7f3845307e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at baf7eba change desktop logo