From aa602cde3c4ab7c71af34d24d8dc2bfdc20b07b2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9my=20Rakic?= <remy.rakic+github@gmail.com>
Date: Fri, 18 Jul 2025 11:55:18 +0000
Subject: [PATCH] improve duplicate table errors

---
 crates/rust-project-goals/src/goal.rs | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/crates/rust-project-goals/src/goal.rs b/crates/rust-project-goals/src/goal.rs
index ab5787a3..af52901b 100644
--- a/crates/rust-project-goals/src/goal.rs
+++ b/crates/rust-project-goals/src/goal.rs
@@ -537,10 +537,20 @@ fn goal_plan(
                 plan_items,
             }))
         }
-        _ => anyhow::bail!(
-            "multiple goal tables found in section `{}`",
-            section.title.render()
-        ),
+        thats_too_many => {
+            let mut table_error = Vec::new();
+            for (idx, table) in section.tables.iter().enumerate() {
+                let header: Vec<_> = table.header.iter().map(|h| h.to_string()).collect();
+                table_error.push(format!("{}: {:?}", idx + 1, header.join(", ")));
+            }
+
+            anyhow::bail!(
+                "markdown parsing unexpectedly encountered multiple ({}) goal tables in section `{}`:\n{}",
+                thats_too_many,
+                section.title.render(),
+                table_error.join("\n"),
+            )
+        }
     }
 }