$ git clone -n https://gitee.com/opencloudos-stream/rubygem-metaclass.git /var/lib/mock/dist-oc9-epol-build-157884-79742/root/chroot_tmpdir/scmroot/rubygem-metaclass
Cloning into '/var/lib/mock/dist-oc9-epol-build-157884-79742/root/chroot_tmpdir/scmroot/rubygem-metaclass'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rubygem-metaclass
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9ac411 !1 Rebuilt for loongarch64 Merge pull request !1 from jiaxinyyang/master