feature: unix directory permission improvements

pkg/io/files/file_perm/auto_file_perm.go

@@ -0,0 +1,19 @@
+package file_perm
+
+import (
+	"os"
+
+	"git.tswf.io/incredible-go/incredible-go-core/pkg/io/files"
+)
+
+func GetPermForDir(dirLocation string) os.FileMode {
+	userHome, err := os.UserHomeDir()
+
+	if err == nil {
+		if files.IsFileLocatedIn(dirLocation, userHome) {
+			return DirUserPermitted
+		}
+	}
+
+	return DirAllPermitted
+}

pkg/io/files/file_perm/file_perm.go

@@ -0,0 +1,8 @@
+package file_perm
+
+import "os"
+
+const (
+	DirUserPermitted os.FileMode = 0755
+	DirAllPermitted              = os.ModePerm
+)