$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Params-ValidationCompiler.git /var/lib/mock/dist-oc9-build-59149-16463/root/chroot_tmpdir/scmroot/perl-Params-ValidationCompiler
Cloning into '/var/lib/mock/dist-oc9-build-59149-16463/root/chroot_tmpdir/scmroot/perl-Params-ValidationCompiler'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Params-ValidationCompiler
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at caac364 import perl-Params-ValidationCompiler-0.30-6.tl4