From d6c47108b6585b25edde41d9044168f2d4dc4e49 Mon Sep 17 00:00:00 2001
From: JP-Ellis <josh@jpellis.me>
Date: Wed, 5 Aug 2026 21:26:47 +1000
Subject: [PATCH] chore(ci): skip generic linux_ tags

Python has introduced generic `linux_` tags which are independent of the
libc implementation. We need to know whether we are building against
glibc or musl, so we have to skip these `linux_` tags.

Signed-off-by: JP-Ellis <josh@jpellis.me>
---
 pact-python-cli/hatch_build.py | 16 +++++++++++++++-
 pact-python-ffi/hatch_build.py | 16 +++++++++++++++-
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/pact-python-cli/hatch_build.py b/pact-python-cli/hatch_build.py
index eefc646ff..3128b17be 100644
--- a/pact-python-cli/hatch_build.py
+++ b/pact-python-cli/hatch_build.py
@@ -149,8 +149,22 @@ def _sys_tag_platform(self) -> str:
         Get the platform tag from the current system tags.
 
         This is used to determine the target platform for the Pact binaries.
+
+        On Linux, the generic `linux_{arch}` tag conveys no information about
+        the platform's C library, so the more specific `manylinux`/`musllinux`
+        tag is preferred when one is available.
+
+        Returns:
+            The most specific platform tag supported by the current system.
         """
-        return next(t.platform for t in sys_tags())
+        platforms = (t.platform for t in sys_tags())
+        preferred = next(platforms)
+        if preferred.startswith("linux_"):
+            return next(
+                (p for p in platforms if not p.startswith("linux_")),
+                preferred,
+            )
+        return preferred
 
     def _install_ruby_cli(self, version: str) -> Mapping[str, str]:
         """
diff --git a/pact-python-ffi/hatch_build.py b/pact-python-ffi/hatch_build.py
index 80d0e7bc6..cee63c269 100644
--- a/pact-python-ffi/hatch_build.py
+++ b/pact-python-ffi/hatch_build.py
@@ -135,8 +135,22 @@ def _sys_tag_platform(self) -> str:
         Get the platform tag from the current system tags.
 
         This is used to determine the target platform for the Pact library.
+
+        On Linux, the generic `linux_{arch}` tag conveys no information about
+        the platform's C library, so the more specific `manylinux`/`musllinux`
+        tag is preferred when one is available.
+
+        Returns:
+            The most specific platform tag supported by the current system.
         """
-        return next(t.platform for t in sys_tags())
+        platforms = (t.platform for t in sys_tags())
+        preferred = next(platforms)
+        if preferred.startswith("linux_"):
+            return next(
+                (p for p in platforms if not p.startswith("linux_")),
+                preferred,
+            )
+        return preferred
 
     def _install(self, version: str) -> Mapping[str, str]:
         """