Start on data structures to represent fast-export stream

andybalholm

Mar 11, 2023, 10:05 PM

5ETDKF5FO7AE7G6ZGP5WAMMY6VQZT2KQ75UZ3OD2WM24Q2JZPAOQC

Dependencies

• [2] KZ4XMKSP Make a temporary clone of the repository
• [3] RFMRCLJX Remove empty parentheses after author name
• [4] RTQQLOCO Use real metadata, but no content yet
• [*] Y7VFVY6E Initial dummy version
• [*] YANQZYFX

Change contents

• edit in main.go at line 74
  [3.974]→[3.974:1000](∅→∅)
  −

  − previousCommitMark := 0
• replacement in main.go at line 82
  [3.1217]→[3.1217:1244](∅→∅)
  − commitMark := nextMark()
  [3.1217]

  [3.1244]
  + var commit Commit

  + commit.Mark = nextMark()
• edit in main.go at line 85
  [3.1245]→[3.1245:1326](∅→∅),[3.1326]→[3.12:13](∅→∅)
  − fmt.Println("commit refs/heads/master")

  − fmt.Printf("mark :%d\n", commitMark)

  −
• replacement in main.go at line 90
  [2.1166]→[3.89:149](∅→∅),[3.89]→[3.89:149](∅→∅)
  − fmt.Println("committer", author, formatTime(c.Timestamp))
  [2.1166]

  [3.1392]
  + commit.Committer = author

  + commit.Timestamp = c.Timestamp
• replacement in main.go at line 97
  [3.1484]→[3.1484:1622](∅→∅)
  − fmt.Println("data", len(message))

  − fmt.Println(message)

  − if previousCommitMark != 0 {

  − fmt.Printf("from :%d\n", previousCommitMark)
  [3.1484]

  [3.1622]
  + commit.Message = message

  +

  + if err := commit.WriteTo(os.Stdout); err != nil {

  + printErrorAndExit("Error writing commit:", err)
• edit in main.go at line 102
  [3.1626]→[3.1626:1677](∅→∅)
  − fmt.Println()

  −

  − previousCommitMark = commitMark
• file addition: fast-export.go (----------)
  [7.1]
  + package main

  +

  + import (

  + "fmt"

  + "io"

  + "time"

  + )

  +

  + type Commit struct {

  + Mark int

  + Committer string

  + Timestamp time.Time

  + Message string

  + }

  +

  + func (c Commit) WriteTo(w io.Writer) error {

  + if _, err := fmt.Fprintln(w, "commit refs/heads/master"); err != nil {

  + return err

  + }

  + if c.Mark != 0 {

  + if _, err := fmt.Fprintf(w, "mark :%d\n", c.Mark); err != nil {

  + return err

  + }

  + }

  + if _, err := fmt.Fprintln(w, "committer", c.Committer, formatTime(c.Timestamp)); err != nil {

  + return err

  + }

  + if _, err := fmt.Fprintln(w, "data", len(c.Message)); err != nil {

  + return err

  + }

  + if _, err := fmt.Fprintln(w, c.Message); err != nil {

  + return err

  + }

  + if _, err := fmt.Fprintln(w); err != nil {

  + return err

  + }

  + return nil

  + }