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object get: Fixed protobuf marshaling

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This commit is contained in:
Matt Bell
2014-11-13 23:52:43 -08:00
committed by Juan Batiz-Benet
parent 4eaf38c6ba
commit 537f94a318
1 changed files with 26 additions and 7 deletions
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33
core/commands2/object.go
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@ -7,6 +7,8 @@ import (
"io"
"io/ioutil"
mh "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multihash"
cmds "github.com/jbenet/go-ipfs/commands"
core "github.com/jbenet/go-ipfs/core"
dag "github.com/jbenet/go-ipfs/merkledag"
@ -108,23 +110,23 @@ var objectGetCmd = &cmds.Command{
Tagline: "Get and serialize the DAG node named by <key>",
ShortDescription: `
'ipfs object get' is a plumbing command for retreiving DAG nodes.
It serializes the DAG node to the format specified by the "--encoding" flag.
It outputs to stdout, and <key> is a base58 encoded multihash.
It serializes the DAG node to the format specified by the "--encoding"
flag. It outputs to stdout, and <key> is a base58 encoded multihash.
`,
LongDescription: `
'ipfs object get' is a plumbing command for retreiving DAG nodes.
It serializes the DAG node to the format specified by the "--encoding" flag.
It outputs to stdout, and <key> is a base58 encoded multihash.
It serializes the DAG node to the format specified by the "--encoding"
flag. It outputs to stdout, and <key> is a base58 encoded multihash.
This command outputs data in the following encodings:
* "protobuf"
* "json"
* "xml"
(Specified by the "--encoding" or "-enc" flags)`,
(Specified by the "--encoding" or "-enc" flag)`,
},
Arguments: []cmds.Argument{
cmds.StringArg("key", true, false, "Key of the object to retrieve\n(in base58-encoded multihash format)"),
cmds.StringArg("key", true, false, "Key of the object to retrieve (in base58-encoded multihash format)"),
},
Run: func(req cmds.Request) (interface{}, error) {
n, err := req.Context().GetNode()
@ -160,7 +162,24 @@ This command outputs data in the following encodings:
Type: &Node{},
Marshalers: cmds.MarshalerMap{
cmds.EncodingType("protobuf"): func(res cmds.Response) ([]byte, error) {
object := res.Output().(*dag.Node)
node := res.Output().(*Node)
// convert the Node object into a real dag.Node
object := new(dag.Node)
object.Data = node.Data
object.Links = make([]*dag.Link, len(node.Links))
for i, link := range node.Links {
hash, err := mh.FromB58String(link.Hash)
if err != nil {
return nil, err
}
object.Links[i] = &dag.Link{
Name: link.Name,
Size: link.Size,
Hash: hash,
}
}
return object.Marshal()
},
},