$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-CPAN-Changes.git /var/lib/mock/dist-oc8-build-26281-7238/root/chroot_tmpdir/scmroot/perl-CPAN-Changes
Cloning into '/var/lib/mock/dist-oc8-build-26281-7238/root/chroot_tmpdir/scmroot/perl-CPAN-Changes'...
$ git reset --hard origin/oc8
HEAD is now at d16ddff import perl-CPAN-Changes-0.400002-7.oc8