From 57a6f20261fbfe96eac7c0245f1381136cc396bd Mon Sep 17 00:00:00 2001
From: Charlie Marsh <charlie.r.marsh@gmail.com>
Date: Tue, 19 Nov 2024 17:51:04 -0500
Subject: [PATCH] More logging

---
 crates/uv-client/src/base_client.rs   | 39 ++++++++++++++++-----------
 crates/uv-client/src/cached_client.rs |  4 +--
 2 files changed, 25 insertions(+), 18 deletions(-)

diff --git a/crates/uv-client/src/base_client.rs b/crates/uv-client/src/base_client.rs
index bc2752735f759..f4ade97879767 100644
--- a/crates/uv-client/src/base_client.rs
+++ b/crates/uv-client/src/base_client.rs
@@ -461,48 +461,55 @@ impl RetryableStrategy for UvRetryableStrategy {
 ///
 /// These cases should be safe to retry with [`Retryable::Transient`].
 pub(crate) fn is_extended_transient_error(err: &dyn Error) -> bool {
-    // First, look for `WrappedReqwestError`, which wraps `reqwest::Error` but doesn't always
-    // include it in the source.
+    trace!("Attempting to retry error: {err:?}");
+
     if let Some(err) = find_source::<WrappedReqwestError>(&err) {
+        // First, look for `WrappedReqwestError`, which wraps `reqwest::Error` but doesn't always
+        // include it in the source.
         if let Some(io) = find_source::<std::io::Error>(&err) {
             if io.kind() == std::io::ErrorKind::ConnectionReset
                 || io.kind() == std::io::ErrorKind::UnexpectedEof
             {
+                trace!(
+                    "Retrying error: `ConnectionReset` or `UnexpectedEof` (`WrappedReqwestError`)"
+                );
                 return true;
             }
+            trace!("Cannot retry error: not one of `ConnectionReset` or `UnexpectedEof` (`WrappedReqwestError`)");
+        } else {
+            trace!("Cannot retry error: not an IO error (`WrappedReqwestError`)");
         }
-    }
-
-    // Next, look for `reqwest_middleware::Error`, which wraps `reqwest::Error`, but also includes
-    // errors from the middleware stack.
-    if let Some(err) = find_source::<reqwest_middleware::Error>(&err) {
+    } else if let Some(err) = find_source::<reqwest_middleware::Error>(&err) {
+        // Next, look for `reqwest_middleware::Error`, which wraps `reqwest::Error`, but also
+        // includes errors from the middleware stack.
         if let Some(io) = find_source::<std::io::Error>(&err) {
             if io.kind() == std::io::ErrorKind::ConnectionReset
                 || io.kind() == std::io::ErrorKind::UnexpectedEof
             {
+                trace!("Retrying error: `ConnectionReset` or `UnexpectedEof` (`reqwest_middleware::Error`)");
                 return true;
             }
-            trace!("Cannot retry error: not one of connection reset or unexpected eof");
+            trace!("Cannot retry error: not one of `ConnectionReset` or `UnexpectedEof` (`reqwest_middleware::Error`)");
         } else {
-            trace!("Cannot retry error: not an IO error");
+            trace!("Cannot retry error: not an IO error (`reqwest_middleware::Error`)");
         }
-    }
-
-    // Finally, look for `reqwest::Error`, which is the most common error type.
-    if let Some(err) = find_source::<reqwest::Error>(&err) {
+    } else if let Some(err) = find_source::<reqwest::Error>(&err) {
+        // Finally, look for `reqwest::Error`, which is the most common error type.
         if let Some(io) = find_source::<std::io::Error>(&err) {
             if io.kind() == std::io::ErrorKind::ConnectionReset
                 || io.kind() == std::io::ErrorKind::UnexpectedEof
             {
+                trace!("Retrying error: `ConnectionReset` or `UnexpectedEof` (`reqwest::Error`)");
                 return true;
             }
-            trace!("Cannot retry error: not one of connection reset or unexpected eof");
+            trace!("Cannot retry error: not one of `ConnectionReset` or `UnexpectedEof` (`reqwest::Error`)");
         } else {
-            trace!("Cannot retry error: not an IO error");
+            trace!("Cannot retry error: not an IO error (`reqwest::Error`)");
         }
+    } else {
+        trace!("Cannot retry error: not a reqwest error");
     }
 
-    trace!("Cannot retry error: not a reqwest error");
     false
 }
 
diff --git a/crates/uv-client/src/cached_client.rs b/crates/uv-client/src/cached_client.rs
index 50942901442c0..c9e5bebab53c9 100644
--- a/crates/uv-client/src/cached_client.rs
+++ b/crates/uv-client/src/cached_client.rs
@@ -629,7 +629,7 @@ impl CachedClient {
                 let retry_decision = retry_policy.should_retry(start_time, n_past_retries);
                 if let reqwest_retry::RetryDecision::Retry { execute_after } = retry_decision {
                     debug!(
-                        "Transient failure while handling response from {}; retrying: {err}",
+                        "Transient failure while handling response from {}; retrying...",
                         req.url(),
                     );
                     let duration = execute_after
@@ -678,7 +678,7 @@ impl CachedClient {
                 let retry_decision = retry_policy.should_retry(start_time, n_past_retries);
                 if let reqwest_retry::RetryDecision::Retry { execute_after } = retry_decision {
                     debug!(
-                        "Transient failure while handling response from {}; retrying: {err}",
+                        "Transient failure while handling response from {}; retrying...",
                         req.url(),
                     );
                     let duration = execute_after