$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Module-Build.git /var/lib/mock/dist-oc9-build-62495-16463/root/chroot_tmpdir/scmroot/perl-Module-Build
Cloning into '/var/lib/mock/dist-oc9-build-62495-16463/root/chroot_tmpdir/scmroot/perl-Module-Build'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Module-Build
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f275f5f import perl-Module-Build-0.42.34-2.tl4