$ git clone -n https://gitee.com/fundawang/perl.git /var/lib/mock/dist-an23-build-285356-64769/root/chroot_tmpdir/scmroot/perl
Cloning into '/var/lib/mock/dist-an23-build-285356-64769/root/chroot_tmpdir/scmroot/perl'...
$ git fetch origin fca20d164b899eee500417accdb7d31e00a8da20:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/perl
 * [new ref]         fca20d164b899eee500417accdb7d31e00a8da20 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fca20d1 update flags