forked from osmocom/wireshark
66 lines
1.8 KiB
Python
Executable File
66 lines
1.8 KiB
Python
Executable File
#!/usr/bin/env python
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# Reduce msbuild output by folding unimportant messages.
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#
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# Copyright (C) 2019 Peter Wu <peter@lekensteyn.nl>
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# SPDX-License-Identifier: GPL-2.0-or-later
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import subprocess
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import sys
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def print_lines(f):
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# If an important message is present, print it with a newline.
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# Otherwise skip the newline but print the next line with a carriage return.
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# If the end of build is reached, just print the trailing messages (includes
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# elapsed time, warning/error counts, etc.).
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start_of_line = ''
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end_of_build = False
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for line in iter(f.readline, ''):
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line = line.rstrip('\r\n')
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if line.startswith('Build succeeded.'):
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end_of_build = True
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is_important = end_of_build or any([
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': error ' in line,
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': warning ' in line,
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'-- FAILED.' in line,
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])
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if is_important:
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eol = '\n'
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if start_of_line == '\r':
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start_of_line = '\n'
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else:
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eol = ''
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sys.stdout.write("%s%s%s" % (start_of_line, line, eol))
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sys.stdout.flush()
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if is_important:
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start_of_line = ''
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else:
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start_of_line = '\r'
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# If the last line was not important, its LF was omitted so print it.
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if not is_important:
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sys.stdout.write('\n')
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command = sys.argv[1:]
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if command:
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# Execute the given command and parse its output.
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proc = subprocess.Popen(command,
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bufsize=1,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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universal_newlines=True
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)
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try:
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print_lines(proc.stdout)
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finally:
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sys.exit(proc.wait())
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else:
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# Assume a file read from stdin.
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print_lines(sys.stdin)
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