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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| package dagcmd | ||
|
|
||
| import ( | ||
| "fmt" | ||
| cmds "github.com/ipfs/go-ipfs-cmds" | ||
| "github.com/ipfs/go-ipfs/core/commands/cmdenv" | ||
| "io/ioutil" | ||
| "github.com/mattbaird/jsonpatch" | ||
| ) | ||
|
|
||
| func dagDiff(req *cmds.Request, res cmds.ResponseEmitter, env cmds.Environment) error { | ||
| if len(req.Arguments) < 2 { | ||
| return fmt.Errorf("less than 2 arguments provided for node comparison") | ||
| } | ||
| if len(req.Arguments) > 2 { | ||
| return fmt.Errorf("more than 2 arguments provided for node comparison") | ||
| } | ||
| //nodeBefore := path.New(req.Arguments[0]) | ||
| //nodeAfter := path.New(req.Arguments[1]) | ||
|
|
||
| api, err := cmdenv.GetApi(env, req) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| getArgNodeAsJson := func(argNumber int) (string, error) { | ||
| r, err := getNodeWithCodec(req.Context, req.Arguments[argNumber], "dag-json", api) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| jsonOutput, err := ioutil.ReadAll(r) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| return string(jsonOutput), nil | ||
| } | ||
|
|
||
| nodeBefore, err := getArgNodeAsJson(0) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| nodeAfter, err := getArgNodeAsJson(1) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| fmt.Printf("BEFORE\n%s\n\n", string(nodeBefore)) | ||
| fmt.Printf("AFTER\n%s\n\n", string(nodeAfter)) | ||
|
|
||
| patch, err := jsonpatch.CreatePatch([]byte(nodeBefore), []byte(nodeAfter)) // FIXME: Remove string conversion above | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| fmt.Printf("======PATCH:======\n") | ||
|
|
||
| for _, operation := range patch { | ||
| fmt.Printf("DIFF:%s\n", operation.Json()) | ||
| } | ||
|
|
||
| return nil | ||
| } |
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