$ git clone -n https://gitee.com/opencloudos-stream/perl-YAML.git /var/lib/mock/dist-ocs23-base-build-320617-33799/root/chroot_tmpdir/scmroot/perl-YAML
Cloning into '/var/lib/mock/dist-ocs23-base-build-320617-33799/root/chroot_tmpdir/scmroot/perl-YAML'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-YAML
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21e0d20 !2 move perl-YAML to Appstream Merge pull request !2 from cunshunxia/master