From 78f06f06a6c97405950162077994b5174ec49208 Mon Sep 17 00:00:00 2001
From: Ken Matsui <26405363+ken-matsui@users.noreply.github.com>
Date: Fri, 28 Nov 2025 18:37:32 -0500
Subject: [PATCH 1/3] chore: replace fmt with std in semver

---
 include/Semver.hpp | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/include/Semver.hpp b/include/Semver.hpp
index bdd793f0d..c48107be2 100644
--- a/include/Semver.hpp
+++ b/include/Semver.hpp
@@ -11,7 +11,7 @@
 
 #include <cstddef>
 #include <cstdint>
-#include <fmt/ostream.h>
+#include <format>
 #include <ostream>
 #include <rs/result.hpp>
 #include <string>
@@ -86,8 +86,6 @@ bool operator<(const Version& lhs, const Version& rhs) noexcept;
 bool operator>(const Version& lhs, const Version& rhs) noexcept;
 bool operator<=(const Version& lhs, const Version& rhs) noexcept;
 bool operator>=(const Version& lhs, const Version& rhs) noexcept;
-template <>
-struct fmt::formatter<Version> : ostream_formatter {};
 
 struct VersionLexer {
   std::string_view s;
@@ -120,3 +118,17 @@ struct VersionParser {
   rs::Result<BuildMetadata> parseBuild() noexcept;
   rs::Result<VersionToken> parseIdent() noexcept;
 };
+
+namespace std {
+
+template <>
+struct formatter<Version> {
+  constexpr auto parse(format_parse_context& ctx) { return ctx.begin(); }
+
+  template <class FormatContext>
+  auto format(const Version& ver, FormatContext& ctx) const {
+    return formatter<std::string_view>{}.format(ver.toString(), ctx);
+  }
+};
+
+} // namespace std

From 396e3d2f79e4f16ce31e83225849b7956fe1a2df Mon Sep 17 00:00:00 2001
From: Ken Matsui <26405363+ken-matsui@users.noreply.github.com>
Date: Fri, 28 Nov 2025 19:13:49 -0500
Subject: [PATCH 2/3] fix: add fmt::formatter conditionally

---
 include/Semver.hpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/Semver.hpp b/include/Semver.hpp
index c48107be2..08b074935 100644
--- a/include/Semver.hpp
+++ b/include/Semver.hpp
@@ -132,3 +132,10 @@ struct formatter<Version> {
 };
 
 } // namespace std
+
+#if __has_include(<fmt/ostream.h>)
+#include <fmt/ostream.h>
+
+template <>
+struct fmt::formatter<Version> : ostream_formatter {};
+#endif

From 3f011b8c2a7baf4ea8a092430a0462eedf1d08c9 Mon Sep 17 00:00:00 2001
From: Ken Matsui <26405363+ken-matsui@users.noreply.github.com>
Date: Fri, 28 Nov 2025 22:23:53 -0500
Subject: [PATCH 3/3] fix: format

---
 include/Semver.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/Semver.hpp b/include/Semver.hpp
index 08b074935..e1dd09eff 100644
--- a/include/Semver.hpp
+++ b/include/Semver.hpp
@@ -134,7 +134,7 @@ struct formatter<Version> {
 } // namespace std
 
 #if __has_include(<fmt/ostream.h>)
-#include <fmt/ostream.h>
+#  include <fmt/ostream.h>
 
 template <>
 struct fmt::formatter<Version> : ostream_formatter {};