$ git clone -n https://gitee.com/yangcheng1203/deepin-reader.git /var/lib/mock/dist-an23-dde-build-442939-73211/root/chroot_tmpdir/scmroot/deepin-reader
Cloning into '/var/lib/mock/dist-an23-dde-build-442939-73211/root/chroot_tmpdir/scmroot/deepin-reader'...
$ git fetch origin 2fa834b64a09c450b7ca5a528196d10de3eaa49a:KOJI_FETCH_HEAD
From https://gitee.com/yangcheng1203/deepin-reader
 * [new ref]         2fa834b64a09c450b7ca5a528196d10de3eaa49a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2fa834b update to 6.0.7