$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-IO-All.git /var/lib/mock/dist-oc9-build-47536-14592/root/chroot_tmpdir/scmroot/perl-IO-All
Cloning into '/var/lib/mock/dist-oc9-build-47536-14592/root/chroot_tmpdir/scmroot/perl-IO-All'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-IO-All
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0111c3 import perl-IO-All-0.87-4.tl4