func PushDiff(internalAPIClient pfs.InternalAPIClient, repoName string, commitID string, shard uint64, reader io.Reader) error {
value, err := ioutil.ReadAll(reader)
if err != nil {
return err
}
_, err = internalAPIClient.PushDiff(
context.Background(),
&pfs.PushDiffRequest{
Commit: &pfs.Commit{
Repo: &pfs.Repo{
Name: repoName,
},
Id: commitID,
},
Shard: shard,
Value: value,
},
)
return err
}