From bed34b3a52afde6d98fcef19e199d0af293577be Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Tue, 25 Jun 2024 11:50:03 +0900
Subject: Show the detail info in the first line

---
 error.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'error.c')

diff --git a/error.c b/error.c
index f1dca2d86d..dc720856c8 100644
--- a/error.c
+++ b/error.c
@@ -1176,14 +1176,16 @@ rb_assert_failure_detail(const char *file, int line, const char *name, const cha
     FILE *out = stderr;
     fprintf(out, "Assertion Failed: %s:%d:", file, line);
     if (name) fprintf(out, "%s:", name);
-    fprintf(out, "%s\n%s\n\n", expr, rb_dynamic_description);
+    fputs(expr, out);
 
     if (fmt && *fmt) {
         va_list args;
         va_start(args, fmt);
+        fputs(": ", out);
         vfprintf(out, fmt, args);
         va_end(args);
     }
+    fprintf(out, "\n%s\n\n", rb_dynamic_description);
 
     preface_dump(out);
     rb_vm_bugreport(NULL, out);
-- 
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