$ git clone -n https://gitee.com/opencloudos-stream/perl-generators.git /var/lib/mock/dist-ocs23-build-12150-715/root/chroot_tmpdir/scmroot/perl-generators
Cloning into '/var/lib/mock/dist-ocs23-build-12150-715/root/chroot_tmpdir/scmroot/perl-generators'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-generators
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0b66b2 !1  Upgrade to upstream version 1.15 Merge pull request !1 from jackxjchen/master