$ git clone -n https://gitee.com/opencloudos-stream/perl-JSON-MaybeXS.git /var/lib/mock/dist-oc9-epol-build-243948-83189/root/chroot_tmpdir/scmroot/perl-JSON-MaybeXS
Cloning into '/var/lib/mock/dist-oc9-epol-build-243948-83189/root/chroot_tmpdir/scmroot/perl-JSON-MaybeXS'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-JSON-MaybeXS
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb8f52e !2 update to Version 1.004008, add BuildRequires perl(experimental) Merge pull request !2 from ocs-bot/master