$ git clone -n https://gitee.com/zhoujiajia111/dpkg_1.git /var/lib/mock/dist-an23-build-463399-73836/root/chroot_tmpdir/scmroot/dpkg_1
Cloning into '/var/lib/mock/dist-an23-build-463399-73836/root/chroot_tmpdir/scmroot/dpkg_1'...
$ git fetch origin 180237d6f49140a0203330a6dddeb9f32b7b635f:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/dpkg_1
 * [new ref]         180237d6f49140a0203330a6dddeb9f32b7b635f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 180237d fix source0