largefiles: fix an explicit largefile commit after a remove (issue4969) The change in b68797f244e4 to handle a normal -> largefile switch was too aggressive in preserving the original matcher names. If a largefile is explicitly provided by the user, but only the standin exists in dirstate, then only the standin can be committed. There's still maybe an issue when the largefile is deleted outside of Mercurial: $ rm large $ hg ci -m "oops" large large: The system cannot find the file specified nothing changed [1]

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import os

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if os.environ.get('COVERAGE_PROCESS_START'):

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    try:

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        import coverage

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        import random

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        # uuid is better, but not available in Python 2.4.

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        covpath = os.path.join(os.environ['COVERAGE_DIR'],

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                               'cov.%s' % random.randrange(0, 1000000000000))

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        cov = coverage.coverage(data_file=covpath, auto_data=True)

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        cov._warn_no_data = False

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        cov._warn_unimported_source = False

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        cov.start()

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    except ImportError:

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        pass