From a3272c526c65188c6c62142839167d53048a3f7e Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Sun, 29 Jun 2025 14:48:05 +0200
Subject: [PATCH] GHA: make the spacecheck say line number for trailing space
 errors

As it can be quite confusing and frustrating without it.

Closes #17777
---
 .github/scripts/spacecheck.pl | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/.github/scripts/spacecheck.pl b/.github/scripts/spacecheck.pl
index 6e2488d28f..10bd2fc8ed 100755
--- a/.github/scripts/spacecheck.pl
+++ b/.github/scripts/spacecheck.pl
@@ -131,8 +131,14 @@ while(my $filename = <$git_ls_files>) {
     }
 
     if(!fn_match($filename, @space_at_eol) &&
-        $content =~ /[ \t]\n/) {
-        push @err, "content: has line-ending whitespace";
+       $content =~ /[ \t]\n/) {
+        my $line;
+        for my $l (split(/\n/, $content)) {
+            $line++;
+            if($l =~ /[ \t]$/) {
+                push @err, "line $line: trailing whitespace";
+            }
+        }
     }
 
     if($content ne "" &&