installation system soft implemented

pkg/install/main.go

@@ -0,0 +1,98 @@
+package install
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+type BasicFileStatus struct {
+	Filepath string
+	PermMode os.FileMode
+	IsDir    bool
+}
+
+func GetPackageFiles(packetDir string) ([]BasicFileStatus, error) {
+	return walkAll(packetDir)
+}
+
+func walkAll(dirToWalk string) ([]BasicFileStatus, error) {
+	var filesSlice []BasicFileStatus
+	files, err := os.ReadDir(dirToWalk)
+	if err != nil {
+		return []BasicFileStatus{}, err
+	}
+
+	for _, v := range files {
+		basicStat := &BasicFileStatus{
+			Filepath: filepath.Join(dirToWalk, v.Name()),
+			PermMode: v.Type().Perm(),
+			IsDir:    v.IsDir(),
+		}
+		filesSlice = append(filesSlice, *basicStat)
+		if v.IsDir() {
+			filesSlice, err = walkAll(filepath.Join(dirToWalk, v.Name()))
+			if err != nil {
+				return []BasicFileStatus{}, err
+			}
+		}
+	}
+
+	return filesSlice, nil
+}
+
+func InstallFiles(files []BasicFileStatus, packetDir string) error {
+	for i, v := range files {
+		sysPath, _ := strings.CutPrefix(v.Filepath, packetDir)
+		fmt.Printf("[%d] Installing file %s\n", i, v.Filepath)
+		fmt.Printf("[%d] NEED tro track file %s\n", i, sysPath)
+		if err := copyFile(v.Filepath, sysPath); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func copyFile(source string, destination string) error {
+	src, err := os.Open(source)
+	if err != nil {
+		return err
+	}
+	defer src.Close()
+
+	status, err := src.Stat()
+	if err != nil {
+		return err
+	}
+
+	err = os.MkdirAll(filepath.Dir(destination), 0o755)
+	if err != nil {
+		return err
+	}
+
+	dst, err := os.Create(destination)
+	if err != nil {
+		if !os.IsExist(err) {
+			dst, err = os.Open(destination)
+			if err != nil {
+				return err
+			}
+		} else {
+			return err
+		}
+	}
+
+	defer dst.Close()
+	if err := dst.Chmod(status.Mode()); err != nil {
+		return err
+	}
+
+	_, err = io.Copy(dst, src)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}