$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Pod-Perldoc.git /var/lib/mock/dist-oc9-build-60289-16463/root/chroot_tmpdir/scmroot/perl-Pod-Perldoc
Cloning into '/var/lib/mock/dist-oc9-build-60289-16463/root/chroot_tmpdir/scmroot/perl-Pod-Perldoc'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Pod-Perldoc
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac4b770 import perl-Pod-Perldoc-3.28.01-5.tl4