$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-perlfaq.git /var/lib/mock/dist-oc9-build-44003-14591/root/chroot_tmpdir/scmroot/perl-perlfaq
Cloning into '/var/lib/mock/dist-oc9-build-44003-14591/root/chroot_tmpdir/scmroot/perl-perlfaq'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-perlfaq
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5888b90 import perl-perlfaq-5.20210520-3.tl4