$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Sub-Identify.git /var/lib/mock/dist-oc9-build-71346-47546/root/chroot_tmpdir/scmroot/perl-Sub-Identify
Cloning into '/var/lib/mock/dist-oc9-build-71346-47546/root/chroot_tmpdir/scmroot/perl-Sub-Identify'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Sub-Identify
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9bc8086 import perl-Sub-Identify-0.14-5.tl4