private mycelium needs both key and name

1 files changed, 6 insertions, 2 deletions

diff --git a/src/config/mod.rs b/src/config/mod.rs
index b8a2ba0..4222212 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -227,14 +227,14 @@ pub(crate) const OPTIONS: &[OptionSpec] = &[
         Kind::Text,
         "PATH",
         None,
-        "Key of a private Mycelium network for the supervised daemon.",
+        "Key of a private Mycelium network for the supervised daemon (with mycelium-network-name).",
     ),
     option(
         "mycelium-network-name",
         Kind::Text,
         "NAME",
         None,
-        "Name of that private Mycelium network.",
+        "Name of that private Mycelium network (with mycelium-network-key-file).",
     ),
     option(
         "mycelium-tcp-listen-port",
@@ -378,6 +378,10 @@ impl Settings {
                 );
             }
         }
+        // A private network has both; one alone would be ignored or invented.
+        if self.mycelium_network_key_file.is_some() != self.mycelium_network_name.is_some() {
+            bail!("mycelium-network-key-file and mycelium-network-name go together");
+        }
         crate::force::Force::parse(self.force.iter().map(String::as_str), FORCE)
             .map_err(|reason| anyhow!("force: {reason}"))?;
         // Contradictions, not overrides: an error wherever the options come from.