$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Net-LibIDN2.git /var/lib/mock/dist-oc9-build-58746-16463/root/chroot_tmpdir/scmroot/perl-Net-LibIDN2
Cloning into '/var/lib/mock/dist-oc9-build-58746-16463/root/chroot_tmpdir/scmroot/perl-Net-LibIDN2'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Net-LibIDN2
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 04a75c2 import perl-Net-LibIDN2-1.01-5.tl4