From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 15 May 2021 19:57:10 +0000 (+0100)
Subject: otter: Further improve error printing
X-Git-Tag: otter-0.6.0~257
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=e87d3b50c9639a8d7fc2536a61d64ff8beba09cf;p=otter.git

otter: Further improve error printing

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/src/bin/otter.rs b/src/bin/otter.rs
index 45480347..ab853d15 100644
--- a/src/bin/otter.rs
+++ b/src/bin/otter.rs
@@ -98,13 +98,12 @@ struct Subcommand (
 );
 inventory::collect!(Subcommand);
 
-#[derive(Error,Debug,Clone)]
+#[derive(Error,Debug,Clone,Display)]
 struct ArgumentParseError(String);
-display_as_debug!(ArgumentParseError);
 
 impl From<&anyhow::Error> for ArgumentParseError {
   fn from(ae: &anyhow::Error) -> ArgumentParseError {
-    eprintln!("error during argument parsing/startup: {:?}\n", ae);
+    eprintln!("error during argument parsing/startup: {}\n", ae);
     exit(EXIT_USAGE);
   }
 }