feat: Enhance Script Details and Add MacOS Compatibility with Documentation Updates (#1794)

* feat: fix a portion of get path

* feat: optimize mac deployment scripts

pkg/util/genutil/genutil.go

@@ -0,0 +1,27 @@
+package genutil
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+// OutDir creates the absolute path name from path and checks path exists.
+// Returns absolute path including trailing '/' or error if path does not exist.
+func OutDir(path string) (string, error) {
+	outDir, err := filepath.Abs(path)
+	if err != nil {
+		return "", err
+	}
+
+	stat, err := os.Stat(outDir)
+	if err != nil {
+		return "", err
+	}
+
+	if !stat.IsDir() {
+		return "", fmt.Errorf("output directory %s is not a directory", outDir)
+	}
+	outDir += "/"
+	return outDir, nil
+}

pkg/util/genutil/genutil_test.go

@@ -0,0 +1,26 @@
+package genutil
+
+import (
+	"testing"
+)
+
+func TestValidDir(t *testing.T) {
+	_, err := OutDir("./")
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestInvalidDir(t *testing.T) {
+	_, err := OutDir("./nondir")
+	if err == nil {
+		t.Fatal("expected an error")
+	}
+}
+
+func TestNotDir(t *testing.T) {
+	_, err := OutDir("./genutils_test.go")
+	if err == nil {
+		t.Fatal("expected an error")
+	}
+}