$ git clone -n https://gitee.com/fundawang/perl.git /var/lib/mock/dist-an23-build-285341-64769/root/chroot_tmpdir/scmroot/perl
Cloning into '/var/lib/mock/dist-an23-build-285341-64769/root/chroot_tmpdir/scmroot/perl'...
$ git fetch origin 701f294ca0dea4ca8acf3eac9fa28d303d24db4d:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/perl
 * [new ref]         701f294ca0dea4ca8acf3eac9fa28d303d24db4d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 701f294 drop