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@@ -472,10 +472,18 @@ def markup_to_pager(stream):
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pager.wait()
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+def check_command_status(arguments):
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+ """Return True if command returns 0."""
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+ return subprocess.call(
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+ arguments, stdout=subprocess.PIPE, stderr=subprocess.PIPE) == 0
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+
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+
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def revision_control_diff(path):
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"""Return diff from revision control system."""
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- if subprocess.call(['git', 'rev-parse'], stderr=subprocess.PIPE) == 0:
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+ if check_command_status(['git', 'rev-parse']):
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return subprocess.Popen(['git', 'diff'], stdout=subprocess.PIPE).stdout
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+ elif check_command_status(['svn', 'info']):
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+ return subprocess.Popen(['svn', 'diff'], stdout=subprocess.PIPE).stdout
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def decode(line):
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