$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-File-Listing.git /var/lib/mock/dist-oc9-build-43614-14591/root/chroot_tmpdir/scmroot/perl-File-Listing
Cloning into '/var/lib/mock/dist-oc9-build-43614-14591/root/chroot_tmpdir/scmroot/perl-File-Listing'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-File-Listing
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 20e4d9a import perl-File-Listing-6.15-3.tl4