$ git clone -n https://gitee.com/src-opencloudos-rpms/rubygem-pg /var/lib/mock/module-ruby-3.3-8100020250704024702-2a16b704-build-175116-79881/root/chroot_tmpdir/scmroot/rubygem-pg
Cloning into '/var/lib/mock/module-ruby-3.3-8100020250704024702-2a16b704-build-175116-79881/root/chroot_tmpdir/scmroot/rubygem-pg'...
$ git fetch origin 63bfa19cf5ff047fd84b78a5fec55aaf86733871:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rubygem-pg
 * [new ref]         63bfa19cf5ff047fd84b78a5fec55aaf86733871 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 63bfa19 update SPECS/rubygem-pg.spec.