fix: don't install a local file if it doesn't change (#2966)

* fix: don't install a local file if it doesn't change Signed-off-by: Frost Ming <me@frostming.com> * add news Signed-off-by: Frost Ming <me@frostming.com>
pdm-project · Jun 23, 2024 · 8df55c4 · 8df55c4
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commit 8df55c4
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diff --git a/news/2966.bugfix.md b/news/2966.bugfix.md
@@ -0,0 +1 @@
+Don't update local files if they don't change.
diff --git a/src/pdm/installers/synchronizers.py b/src/pdm/installers/synchronizers.py
@@ -201,8 +201,8 @@ def _should_update(self, dist: Distribution, can: Candidate) -> bool:
             if not isinstance(dreq, FileRequirement):
                 return True
             url = dreq.get_full_url()
-            if url.startswith("file:"):
-                # We don't know whether local files are changed, always update
+            if dreq.is_local_dir:
+                # We don't know whether a local dir has been changed, always update
                 return True
             assert can.link is not None
             return url != backend.expand_line(can.link.url_without_fragment)