[main] update core src

Author: KevinZonda

fastgit.go

@@ -0,0 +1,97 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+	"os/exec"
+	"path"
+	"strings"
+)
+
+func convertToFastGit() bool {
+	return convertHelper("https://github.com", "https://hub.fastgit.org")
+}
+
+func convertToGitHub() bool {
+	return convertHelper("https://hub.fastgit.org", "https://github.com")
+}
+
+func convertHelper(oldPrefixValue, newPrefixValue string) bool {
+	fi, err := os.Open(path.Join(".git", "config"))
+	checkErr(err, "This is not a git path! Cannot push!", 1)
+	defer fi.Close()
+
+	fileStat, err := fi.Stat()
+	checkErr(err, "Cannot get file state!", 2)
+
+	fileByte, err := fi.Read(make([]byte, fileStat.Size()))
+	checkErr(err, "Cannot read .git file!", 3)
+
+	gitConfig := string(fileByte)
+
+	isReplaceDo := false
+	sb := new(bytes.Buffer)
+	iniArray := strings.Split(gitConfig, "\n")
+	for i := range iniArray {
+		if strings.HasPrefix(strings.Replace(iniArray[i], " ", "", -1), "url=") {
+			iniArray[i] = strings.Replace(iniArray[i], oldPrefixValue, newPrefixValue, 1)
+			isReplaceDo = true
+		}
+		sb.WriteString(iniArray[i] + "\n")
+	}
+	fi.Write(sb.Bytes())
+	return isReplaceDo
+}
+
+func checkErr(err error, msg string, exitCode int) {
+	if err != nil {
+		fmt.Print(msg)
+		os.Exit(exitCode)
+	}
+}
+
+func main() {
+	if len(os.Args) == 1 {
+		fmt.Print("" +
+			"FastGit Command Tool\n" +
+			"====================\n" +
+			"We will convert GitHub to FastGit automatically\n" +
+			"Do everything like git\n" +
+			"Build by KevinZonda with GoLang")
+		os.Exit(0)
+	}
+
+	isConvertToFastGit := false
+	isPush := false
+	for i := range os.Args {
+		if os.Args[i] == "push" {
+			isPush = true
+			break
+		}
+	}
+
+	if isPush {
+		isConvertToFastGit = convertToFastGit()
+	}
+
+	cmd := exec.Command("git")
+
+	// Combine to new command
+	for i := range os.Args {
+		if i != 0 {
+			cmd.Args = append(cmd.Args, strings.Replace(os.Args[i], "https://github.com", "https://hub.fastgit.org", -1))
+		}
+	}
+
+	cmd.Stderr = os.Stderr
+	cmd.Stdout = os.Stdout
+
+	err := cmd.Start()
+	checkErr(err, "Command Start Failed!", 4)
+
+	cmd.Wait()
+	if isConvertToFastGit {
+		convertToGitHub()
+	}
+}