Clean file path names on file creation (#624)

internal/git/file.go

@@ -0,0 +1,19 @@
+package git
+
+import (
+	"path/filepath"
+	"strings"
+)
+
+func CleanTreePathName(s string) string {
+	name := filepath.Base(s)
+
+	if name == "." || name == ".." {
+		return ""
+	}
+
+	name = strings.ReplaceAll(name, "/", "")
+	name = strings.ReplaceAll(name, "\\", "")
+
+	return name
+}