fix: FileNotFoundError with pdm run and process substitution

Fixes #3252 Signed-off-by: Frost Ming <[email protected]>
pdm-project · Nov 6, 2024 · 214012b · 214012b
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commit 214012b
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diff --git a/news/3252.bugfix.md b/news/3252.bugfix.md
@@ -0,0 +1 @@
+Inherit file descriptors instead of closing when running child processes in `pdm run`.
diff --git a/src/pdm/cli/commands/run.py b/src/pdm/cli/commands/run.py
@@ -292,11 +292,11 @@ def forward_signal(signum: int, frame: FrameType | None) -> None:
 
         handle_term = signal.signal(signal.SIGTERM, forward_signal)
         handle_int = signal.signal(signal.SIGINT, forward_signal)
-        process = subprocess.Popen(process_cmd, cwd=cwd, shell=shell, bufsize=0)
-        process.wait()
+        process = subprocess.Popen(process_cmd, cwd=cwd, shell=shell, bufsize=0, close_fds=False)
+        retcode = process.wait()
         signal.signal(signal.SIGTERM, handle_term)
         signal.signal(signal.SIGINT, handle_int)
-        return process.returncode
+        return retcode
 
     def run_task(
         self, task: Task, args: Sequence[str] = (), opts: TaskOptions | None = None, seen: set[str] | None = None