track which namespaces we control

src/config/name.rs

@@ -1,11 +1,25 @@
 use serde::de::{Error, Unexpected, Visitor};
 use serde::{Deserialize, Deserializer};
+use std::ffi::OsString;
 use std::fmt::{Display, Formatter};
 use std::path::Path;
 
 #[derive(Debug, Clone, Eq, PartialEq, Hash)]
 pub struct NamespaceName(String);
 
+impl TryFrom<OsString> for NamespaceName {
+    type Error = ();
+
+    fn try_from(value: OsString) -> Result<Self, Self::Error> {
+        let str = value.into_string().map_err(|_| ())?;
+        if validate_name(&str) {
+            Ok(NamespaceName(str))
+        } else {
+            Err(())
+        }
+    }
+}
+
 impl Display for NamespaceName {
     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
         self.0.fmt(f)
@@ -80,7 +94,7 @@ fn validate_name(name: &str) -> bool {
 
 #[test]
 fn test_de() {
-    use serde_test::{assert_de_tokens, assert_de_tokens_error, Token};
+    use serde_test::{Token, assert_de_tokens, assert_de_tokens_error};
 
     assert_de_tokens(&NamespaceName("foo".into()), &[Token::String("foo")]);