$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Sys-CPU.git /var/lib/mock/dist-oc9-build-62757-16463/root/chroot_tmpdir/scmroot/perl-Sys-CPU
Cloning into '/var/lib/mock/dist-oc9-build-62757-16463/root/chroot_tmpdir/scmroot/perl-Sys-CPU'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Sys-CPU
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a309936 import perl-Sys-CPU-0.61-5.tl4