$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Test-CPAN-Meta.git /var/lib/mock/dist-oc9-webui-build-56501-14837/root/chroot_tmpdir/scmroot/perl-Test-CPAN-Meta
Cloning into '/var/lib/mock/dist-oc9-webui-build-56501-14837/root/chroot_tmpdir/scmroot/perl-Test-CPAN-Meta'...
$ git fetch origin oc9-webui:KOJI_FETCH_HEAD
fatal: couldn't find remote ref oc9-webui
$ git reset --hard origin/oc9-webui
fatal: ambiguous argument 'origin/oc9-webui': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'