Added upstream patch with time_point fixes.

fmt-10.0.0-time_point-fix.patch

@@ -0,0 +1,63 @@
+From d7592ad8bfa41eda239497f672ae8dc7bda00a4b Mon Sep 17 00:00:00 2001
+From: Patrick Geltinger <patlkli@patlkli.org>
+Date: Fri, 12 May 2023 00:25:21 +0200
+Subject: [PATCH] Fix time_point formatting for durations with certain ratios
+ (#3430)
+
+* Fix time_point formatting
+
+* Add timestamps_ratios tests
+---
+ include/fmt/chrono.h |  3 ++-
+ test/chrono-test.cc  | 24 ++++++++++++++++++++++++
+ 2 files changed, 26 insertions(+), 1 deletion(-)
+
+diff --git a/include/fmt/chrono.h b/include/fmt/chrono.h
+index 1a2a12cf767..43daeeb4d39 100644
+--- a/include/fmt/chrono.h
++++ b/include/fmt/chrono.h
+@@ -2142,7 +2142,8 @@ struct formatter<std::chrono::time_point<std::chrono::system_clock, Duration>,
+           epoch - std::chrono::duration_cast<std::chrono::seconds>(epoch));
+ 
+       if (subsecs.count() < 0) {
+-        auto second = std::chrono::seconds(1);
++        auto second = std::chrono::duration_cast<Duration>(
++            std::chrono::seconds(1));
+         if (epoch.count() < ((Duration::min)() + second).count())
+           FMT_THROW(format_error("duration is too small"));
+         subsecs += second;
+diff --git a/test/chrono-test.cc b/test/chrono-test.cc
+index 8e2772fa0f6..33c0c2c6653 100644
+--- a/test/chrono-test.cc
++++ b/test/chrono-test.cc
+@@ -850,6 +850,30 @@ TEST(chrono_test, utc_clock) {
+ }
+ #endif
+ 
++TEST(chrono_test, timestamps_ratios) {
++  std::chrono::time_point<std::chrono::system_clock, std::chrono::milliseconds>
++      t1(std::chrono::milliseconds(67890));
++
++  EXPECT_EQ(fmt::format("{:%M:%S}", t1), "01:07.890");
++
++  std::chrono::time_point<std::chrono::system_clock, std::chrono::minutes>
++      t2(std::chrono::minutes(7));
++
++  EXPECT_EQ(fmt::format("{:%M:%S}", t2), "07:00");
++
++  std::chrono::time_point<std::chrono::system_clock, 
++                          std::chrono::duration<int, std::ratio<9>>>
++      t3(std::chrono::duration<int, std::ratio<9>>(7));
++
++  EXPECT_EQ(fmt::format("{:%M:%S}", t3), "01:03");
++
++  std::chrono::time_point<std::chrono::system_clock, 
++                          std::chrono::duration<int, std::ratio<63>>>
++      t4(std::chrono::duration<int, std::ratio<63>>(1));
++
++  EXPECT_EQ(fmt::format("{:%M:%S}", t4), "01:03");
++}
++
+ TEST(chrono_test, timestamps_sub_seconds) {
+   std::chrono::time_point<std::chrono::system_clock,
+                           std::chrono::duration<long long, std::ratio<1, 3>>>

fmt.spec

@@ -1,12 +1,15 @@
 Name:           fmt
 Version:        10.0.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 
 License:        MIT
 Summary:        Small, safe and fast formatting library for C++
 URL:            https://github.com/fmtlib/%{name}
 Source0:        %{url}/archive/%{version}.tar.gz
 
+# https://github.com/fmtlib/fmt/commit/d7592ad8bfa41eda239497f672ae8dc7bda00a4b
+Patch100:       %{name}-10.0.0-time_point-fix.patch
+
 BuildRequires:  cmake
 BuildRequires:  gcc
 BuildRequires:  gcc-c++
@@ -60,6 +63,9 @@ This package contains the header file for using %{name}.
 %{_libdir}/pkgconfig/%{name}.pc
 
 %changelog
+* Wed Jun 28 2023 Vitaly Zaitsev <vitaly@easycoding.org> - 10.0.0-2
+- Added upstream patch with time_point fixes.
+
 * Wed May 10 2023 Vitaly Zaitsev <vitaly@easycoding.org> - 10.0.0-1
 - Updated to version 10.0.0.