init

hdiff-any-game/main.go

@@ -0,0 +1,112 @@
+package main
+
+import (
+	"bufio"
+	"embed"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+//go:embed bin/hdiffz.exe
+//go:embed bin/7za.exe
+var embeddedFiles embed.FS
+
+func ensureBinaries() (map[string]string, error) {
+	binDir := "bin"
+	if _, err := os.Stat(binDir); os.IsNotExist(err) {
+		if err := os.MkdirAll(binDir, 0755); err != nil {
+			return nil, err
+		}
+	}
+
+	files := []string{"hdiffz.exe", "7za.exe"}
+	paths := make(map[string]string)
+
+	for _, f := range files {
+		destPath := filepath.Join(binDir, f)
+		paths[f] = destPath
+
+		if _, err := os.Stat(destPath); os.IsNotExist(err) {
+			data, err := embeddedFiles.ReadFile("bin/" + f)
+			if err != nil {
+				return nil, err
+			}
+			if err := os.WriteFile(destPath, data, 0755); err != nil {
+				return nil, err
+			}
+		}
+	}
+
+	return paths, nil
+}
+
+func main() {
+	paths, err := ensureBinaries()
+	if err != nil {
+		fmt.Println("Error:", err)
+		return
+	}
+
+	for _, path := range paths {
+		fmt.Println("Binary ready at:", path)
+	}
+	reader := bufio.NewReader(os.Stdin)
+
+	fmt.Print("Enter OLD game path: ")
+	oldPath, _ := reader.ReadString('\n')
+	oldPath = strings.TrimSpace(oldPath)
+	if oldPath == "" {
+		fmt.Fprintln(os.Stderr, "no old path provided")
+		os.Exit(1)
+	}
+
+	fmt.Print("Enter NEW game path: ")
+	newPath, _ := reader.ReadString('\n')
+	newPath = strings.TrimSpace(newPath)
+	if newPath == "" {
+		fmt.Fprintln(os.Stderr, "no new path provided")
+		os.Exit(1)
+	}
+
+	fmt.Print("Enter zip hdiff output name: ")
+	hdiffName, _ := reader.ReadString('\n')
+	hdiffName = strings.TrimSpace(hdiffName)
+	if hdiffName == "" {
+		fmt.Fprintln(os.Stderr, "no hdiff output provided")
+		os.Exit(1)
+	}
+
+	if !strings.HasSuffix(strings.ToLower(hdiffName), ".zip") {
+		hdiffName += ".zip"
+	}
+
+	result, err := DiffFolders(oldPath, newPath)
+	if err != nil {
+		fmt.Println("Error:", err)
+		return
+	}
+	hdiffFolderPath := filepath.Join(".", "hdiff")
+	os.MkdirAll(hdiffFolderPath, 0755)
+	if err := CopyNewFiles(newPath, result); err != nil {
+		fmt.Println("Error writing diff:", err)
+		return
+	}
+	if err := MakeHdiffFile(oldPath, newPath, result.Changed); err != nil {
+		fmt.Println("Error writing diff:", err)
+		return
+	}
+
+	if err := ZipWith7za(hdiffFolderPath, hdiffName); err != nil {
+		fmt.Println("Error writing diff:", err)
+		return
+	}
+
+	if err := RemoveFolderWithProgress(hdiffFolderPath); err != nil {
+		fmt.Fprintln(os.Stderr, "error removing temp dir:", err)
+		os.Exit(1)
+	}
+
+	fmt.Println("Done")
+}