$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-CPAN-Meta-Requirements.git /var/lib/mock/dist-oc9-build-129597-77896/root/chroot_tmpdir/scmroot/perl-CPAN-Meta-Requirements
Cloning into '/var/lib/mock/dist-oc9-build-129597-77896/root/chroot_tmpdir/scmroot/perl-CPAN-Meta-Requirements'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-CPAN-Meta-Requirements
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 111c429 import perl-CPAN-Meta-Requirements-2.143-4.tl4