chore: Run uv lock with updated pyproject.toml in sdist

Author: effigies

pdm_build.py

@@ -0,0 +1,13 @@
+from pathlib import Path
+from shutil import copy
+from subprocess import run
+
+from pdm.backend.hooks import Context
+
+
+def pdm_build_update_files(context: Context, files: dict[str, Path]) -> None:
+    if context.target == "sdist":
+        context.ensure_build_dir()
+        copy(files["uv.lock"], context.build_dir / "uv.lock")
+        context.config.write_to(context.build_dir / "pyproject.toml")
+        run(["uv", "lock"], cwd=context.build_dir, check=True)

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["pdm-backend"]
+requires = ["pdm-backend", "uv"]
 build-backend = "pdm.backend"
 
 [project]