$ git clone -n https://gitee.com/opencloudos-stream/perl-HTML-Tree.git /var/lib/mock/dist-oc9-epol-build-93745-59475/root/chroot_tmpdir/scmroot/perl-HTML-Tree
Cloning into '/var/lib/mock/dist-oc9-epol-build-93745-59475/root/chroot_tmpdir/scmroot/perl-HTML-Tree'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-HTML-Tree
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a4bc1f2 update