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eb01f28b04
The current select-based code to consume subprocess output on the fly sometimes misses the end of the output. Rework it to consume mixed stdout+stderr until the end of output instead.
42 lines
1.0 KiB
Python
Executable File
42 lines
1.0 KiB
Python
Executable File
#! /usr/bin/env python
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"""
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Utility script to run a command, and propagate potential GNU style errors as
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GitHub workflow commands.
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"""
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import argparse
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from os import path as P
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import re
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import subprocess
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import sys
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parser = argparse.ArgumentParser(description=__doc__)
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_, extra_args = parser.parse_known_args()
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path = P.dirname(P.realpath(__file__))
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msg_re = re.compile(r"(.*?):(\d+):(?:(d+)\:)?(.*)?$")
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p = subprocess.Popen(
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extra_args, universal_newlines=True,
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stdin=subprocess.DEVNULL, stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
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)
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# If a line is a GNU style error message, emit a corresponding workflow
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# command and trigger an error status.
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exit_status = 0
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for line in p.stdout:
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m = msg_re.match(line.rstrip())
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if m:
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exit_status = 1
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file, line, _, msg = m.groups()
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if file.startswith("/"):
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file = P.relpath(file)
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print(f"::error file={file},line={line}::{msg}")
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sys.stdout.write(line)
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sys.stdout.flush()
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p.wait()
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sys.exit(p.returncode if exit_status == 0 else exit_status)
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