From 04ba07bdc3c82aa17297e3e91fdc884983be7cad Mon Sep 17 00:00:00 2001
From: Ryan1729 <Ryan1729@gmail.com>
Date: Fri, 4 Sep 2020 19:26:35 -0600
Subject: [PATCH 1/3] add line_count and max_lines to too_many_lines lint
 message

---
 clippy_lints/src/functions.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/clippy_lints/src/functions.rs b/clippy_lints/src/functions.rs
index 89fde1d509d3..50b39cf4ea7c 100644
--- a/clippy_lints/src/functions.rs
+++ b/clippy_lints/src/functions.rs
@@ -374,7 +374,12 @@ impl<'tcx> Functions {
         }
 
         if line_count > self.max_lines {
-            span_lint(cx, TOO_MANY_LINES, span, "this function has a large number of lines")
+            span_lint(
+                cx,
+                TOO_MANY_LINES,
+                span,
+                &format!("this function has too many lines ({}/{})", line_count, self.max_lines),
+            )
         }
     }
 

From db16fa26cef82fff84751dcad7940fd9b819a169 Mon Sep 17 00:00:00 2001
From: Ryan1729 <Ryan1729@gmail.com>
Date: Fri, 4 Sep 2020 20:16:02 -0600
Subject: [PATCH 2/3] run tests/ui/update-all-references.sh

---
 tests/ui/functions_maxlines.stderr | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/ui/functions_maxlines.stderr b/tests/ui/functions_maxlines.stderr
index c640c82d6d7c..dc6c8ba2f154 100644
--- a/tests/ui/functions_maxlines.stderr
+++ b/tests/ui/functions_maxlines.stderr
@@ -1,4 +1,4 @@
-error: this function has a large number of lines
+error: this function has too many lines (102/100)
   --> $DIR/functions_maxlines.rs:58:1
    |
 LL | / fn bad_lines() {

From 9e7ce9d3851426f59ec98eabee7f113e4fd18198 Mon Sep 17 00:00:00 2001
From: Ryan1729 <Ryan1729@gmail.com>
Date: Fri, 4 Sep 2020 21:12:16 -0600
Subject: [PATCH 3/3] run the specific script suggested by the error message

```
./tests/ui-toml/update-references.sh './target/debug/test_build_base' 'functions_maxlines/test.rs'
```
---
 tests/ui-toml/functions_maxlines/test.stderr | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/ui-toml/functions_maxlines/test.stderr b/tests/ui-toml/functions_maxlines/test.stderr
index fb12257021a1..a27ce945ca58 100644
--- a/tests/ui-toml/functions_maxlines/test.stderr
+++ b/tests/ui-toml/functions_maxlines/test.stderr
@@ -1,4 +1,4 @@
-error: this function has a large number of lines
+error: this function has too many lines (2/1)
   --> $DIR/test.rs:18:1
    |
 LL | / fn too_many_lines() {
@@ -9,7 +9,7 @@ LL | | }
    |
    = note: `-D clippy::too-many-lines` implied by `-D warnings`
 
-error: this function has a large number of lines
+error: this function has too many lines (2/1)
   --> $DIR/test.rs:38:1
    |
 LL | / fn comment_before_code() {