File mesonpy-reproducible.patch of Package python-meson-python

Authors: code@bnavigator.de, bwiedemann@suse.com
Ref: https://github.com/openSUSE/python-rpm-macros/issues/182
Ref: https://github.com/mesonbuild/meson-python/issues/671

Reproducible builds require a deterministic build path.
Use the python-rpm-macros shuffled build directory.


Index: meson_python-0.16.0/mesonpy/__init__.py
===================================================================
--- meson_python-0.16.0.orig/mesonpy/__init__.py
+++ meson_python-0.16.0/mesonpy/__init__.py
@@ -943,7 +943,10 @@ def _project(config_settings: Optional[D
 
     with contextlib.ExitStack() as ctx:
         if build_dir is None:
-            build_dir = ctx.enter_context(tempfile.TemporaryDirectory(prefix='.mesonpy-', dir=source_dir))
+            if(os.environ.get('SOURCE_DATE_EPOCH')):
+                build_dir = pathlib.Path(source_dir) / 'build'
+            else:
+                build_dir = ctx.enter_context(tempfile.TemporaryDirectory(prefix='.mesonpy-', dir=source_dir))
         yield Project(source_dir, build_dir, meson_args, editable_verbose)