$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Test-Requires.git /var/lib/mock/dist-oc9-build-47588-14592/root/chroot_tmpdir/scmroot/perl-Test-Requires
Cloning into '/var/lib/mock/dist-oc9-build-47588-14592/root/chroot_tmpdir/scmroot/perl-Test-Requires'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Test-Requires
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f473c96 import perl-Test-Requires-0.11-3.tl4