$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-PadWalker.git /var/lib/mock/dist-oc9-build-61679-16463/root/chroot_tmpdir/scmroot/perl-PadWalker
Cloning into '/var/lib/mock/dist-oc9-build-61679-16463/root/chroot_tmpdir/scmroot/perl-PadWalker'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-PadWalker
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9be68a import perl-PadWalker-2.5-5.tl4