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fix(tools): suppress Windows AutoRun stderr in shell commands #1556

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Merged
xieyxclack merged 2 commits into from
Mar 16, 2026
+7 −2
Merged

fix(tools): suppress Windows AutoRun stderr in shell commands #1556

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34f65fa
fix(tools): suppress Windows AutoRun stderr in shell commands
mvanhorn Mar 16, 2026
4e91c8b
Update src/copaw/agents/tools/shell.py
xieyxclack Mar 16, 2026
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9 changes: 7 additions & 2 deletions src/copaw/agents/tools/shell.py
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Original file line number Diff line number Diff line change
Expand Up @@ -68,9 +68,14 @@ def _execute_subprocess_sync(
return code will be -1 and stderr will contain timeout information.
"""
try:
# Disable cmd.exe AutoRun (/D) to prevent spurious stderr
# from registry-configured startup scripts (e.g. "The system
# cannot find the path specified."). /S prevents quote stripping
# so the inner command is passed through unchanged.
wrapped = ["cmd", "/D", "/S", "/C", cmd]
with subprocess.Popen(
cmd,
shell=True,
wrapped,
shell=False,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
text=False,
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