$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-IPC-Run3.git /var/lib/mock/dist-oc9-build-71219-47532/root/chroot_tmpdir/scmroot/perl-IPC-Run3
Cloning into '/var/lib/mock/dist-oc9-build-71219-47532/root/chroot_tmpdir/scmroot/perl-IPC-Run3'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-IPC-Run3
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1da5c35 import perl-IPC-Run3-0.048-5.tl4