Ensure that content will fit.

1 files changed, 8 insertions, 1 deletions

diff --git a/src/commands/discocaml.rs b/src/commands/discocaml.rs
index 6defac0..e6b1a0b 100644
--- a/src/commands/discocaml.rs
+++ b/src/commands/discocaml.rs
@@ -182,8 +182,15 @@ async fn respond_with_error<E: std::error::Error, F: Future<Output = Result<(),
     err: &Error,
     send: impl FnOnce(CreateInteractionResponse) -> F,
 ) {
+    let mut content = format!(":no_entry_sign: {}", err);
+    if let Some((i, _)) = content.char_indices().nth(1997) {
+        content.truncate(i);
+        assert_eq!(content.chars().count(), 1997);
+        content.push_str("…");
+    }
+
     let msg = CreateInteractionResponseMessage::new()
-        .content(format!(":no_entry_sign: {}", err))
+        .content(content)
         .flags(InteractionResponseFlags::EPHEMERAL);
     if let Err(err) = send(CreateInteractionResponse::Message(msg)).await {
         log::error!(