From aa3b5aba41b368e98acad4c75120bf252446d4b0 Mon Sep 17 00:00:00 2001
From: Victor Zverovich <victor.zverovich@gmail.com>
Date: Thu, 6 Dec 2018 16:12:10 -0800
Subject: [PATCH] Implement locale-specific minute formatting

---
 include/fmt/time.h | 8 ++++++--
 test/time-test.cc  | 3 +++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/include/fmt/time.h b/include/fmt/time.h
index 60da3e46..1a72ebf6 100644
--- a/include/fmt/time.h
+++ b/include/fmt/time.h
@@ -206,9 +206,13 @@ struct chrono_formatter {
     format_localized(time, 'I');
   }
 
-  void on_minute(numeric_system) {
+  void on_minute(numeric_system ns) {
     auto minute = to_int((s.count() / 60) % 60);
-    write(minute, 2);
+    if (ns == numeric_system::standard)
+      return write(minute, 2);
+    auto time = tm();
+    time.tm_minute = minute;
+    format_localized(time, 'M');
   }
 
   void on_second(numeric_system) {
diff --git a/test/time-test.cc b/test/time-test.cc
index 1caf32fb..940ae252 100644
--- a/test/time-test.cc
+++ b/test/time-test.cc
@@ -107,5 +107,8 @@ TEST(TimeTest, ChronoLocale) {
   EXPECT_EQ(str(), fmt::format(loc, "{:%OH}", std::chrono::hours(14)));
   os << std::put_time(&time, "%OI");
   EXPECT_EQ(str(), fmt::format(loc, "{:%OI}", std::chrono::hours(14)));
+  time.tm_minute = 42;
+  os << std::put_time(&time, "%OM");
+  EXPECT_EQ(str(), fmt::format(loc, "{:%OM}", std::chrono::minutes(42)));
 }
 #endif