raise error early if no candidates found

1 files changed, 5 insertions, 1 deletions

diff --git a/src/crates/candelabra/src/candidates.rs b/src/crates/candelabra/src/candidates.rs
index 0d76862..e8693e0 100644
--- a/src/crates/candelabra/src/candidates.rs
+++ b/src/crates/candelabra/src/candidates.rs
@@ -2,7 +2,7 @@
 
 use std::{collections::HashMap, fs::metadata, time::SystemTime};
 
-use anyhow::{Context, Result};
+use anyhow::{bail, Context, Result};
 use camino::{Utf8Path, Utf8PathBuf};
 use log::{debug, warn};
 use primrose::ContainerSelector;
@@ -100,6 +100,10 @@ impl State {
             .map(|(k, v)| (k.to_string(), v))
             .collect();
 
+        if candidates.iter().any(|(_, impls)| impls.is_empty()) {
+            bail!("Could not find candidates for all container types");
+        }
+
         let mod_time = metadata(path)?.modified()?;
         if let Err(e) = self.candidates.store.put(
             path,