$ git clone -n https://gitee.com/wenyuzifang/perl-YAML.git /var/lib/mock/dist-an23-build-448571-73412/root/chroot_tmpdir/scmroot/perl-YAML
Cloning into '/var/lib/mock/dist-an23-build-448571-73412/root/chroot_tmpdir/scmroot/perl-YAML'...
$ git fetch origin 449d19b18d6d410574d035b02bc603af3b2f2bc7:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/perl-YAML
 * [new ref]         449d19b18d6d410574d035b02bc603af3b2f2bc7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 449d19b Update code from upstream