Parse Unhashed and Contents of Change

andybalholm

Mar 29, 2023, 10:31 PM

6GDPWAD2BSPC6EDH43HDTFRJ2QCDBPE3OK4KXFVYK23BLCAWWB3QC

Dependencies

• [2] EVHNGDT7 parse FileAdd hunk
• [3] 4JWXOJIP Parse dependencies
• [4] 7VEHGTEY Switch from reading text format to reading binary format.
• [*] PHRWK7NK Parse change headers

Change contents

• edit in change_test.go at line 82
  [2.6367]

  [6.1094]
  + Unhashed: map[string]any{

  + "signature": "4cKLG1A2wd3pp6hBMaceFCGo8ADhUaDNz31MJeZxNFYnBf8yPepXfgor9o78y88ComC3b1YzDccucDbPbez9Ppxe",

  + },

  + Contents: []byte{

  + 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x01,

  + 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0x54, 0x46, 0x2d, 0x38, 0x00, 0x00, 0x68,

  + 0x65, 0x6c, 0x6c, 0x6f, 0x2c, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x0a, 0x00,

  + },
• edit in change.go at line 7
  [3.793]

  [3.793]
  + "encoding/json"
• edit in change.go at line 26
  [2.6408]

  [3.1181]
  + Unhashed any

  + Contents []byte
• replacement in change.go at line 90
  [3.1816]→[3.1816:1848](∅→∅)
  − // TODO: unhashed and contents
  [3.1816]

  [3.1848]
  + if off.ContentsOffset > off.UnhashedOffset {

  + zr.Reset(bytes.NewReader(data[off.UnhashedOffset:off.ContentsOffset]))

  + unhashed, err := io.ReadAll(zr)

  + if err != nil {

  + return Change{}, fmt.Errorf("error getting the 'unhashed' data chunk from the change: %w", err)

  + }

  + err = json.Unmarshal(unhashed, &c.Unhashed)

  + if err != nil {

  + return Change{}, err

  + }

  + }

  +

  + if int(off.ContentsOffset) < len(data) {

  + zr.Reset(bytes.NewReader(data[off.ContentsOffset:]))

  + c.Contents, err = io.ReadAll(zr)

  + if err != nil {

  + return Change{}, fmt.Errorf("error getting the 'contents' data chunk from the change: %w", err)

  + }

  + }

  +