tests/autodiff.py
author Pierre-Yves David <pierre-yves.david@ens-lyon.org>
Thu, 03 Nov 2016 15:15:47 +0100
changeset 30299 bb2dfc0ea5b4
parent 27281 3b517f2a3989
child 32376 46ba2cdda476
permissions -rw-r--r--
color: sort output of 'debugcolor' The previous ordering were provided by the set. The new output is more stable and rational. In addition we have some logic to keep the '_background' version together to help readability.
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# Extension dedicated to test patch.diff() upgrade modes
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from __future__ import absolute_import
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from mercurial import (
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    cmdutil,
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    error,
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    patch,
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    scmutil,
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)
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cmdtable = {}
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command = cmdutil.command(cmdtable)
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@command('autodiff',
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    [('', 'git', '', 'git upgrade mode (yes/no/auto/warn/abort)')],
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    '[OPTION]... [FILE]...')
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def autodiff(ui, repo, *pats, **opts):
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    diffopts = patch.difffeatureopts(ui, opts)
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    git = opts.get('git', 'no')
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    brokenfiles = set()
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    losedatafn = None
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    if git in ('yes', 'no'):
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        diffopts.git = git == 'yes'
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        diffopts.upgrade = False
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    elif git == 'auto':
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        diffopts.git = False
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        diffopts.upgrade = True
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    elif git == 'warn':
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        diffopts.git = False
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        diffopts.upgrade = True
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        def losedatafn(fn=None, **kwargs):
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            brokenfiles.add(fn)
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            return True
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    elif git == 'abort':
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        diffopts.git = False
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        diffopts.upgrade = True
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        def losedatafn(fn=None, **kwargs):
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            raise error.Abort('losing data for %s' % fn)
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    else:
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        raise error.Abort('--git must be yes, no or auto')
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    node1, node2 = scmutil.revpair(repo, [])
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    m = scmutil.match(repo[node2], pats, opts)
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    it = patch.diff(repo, node1, node2, match=m, opts=diffopts,
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                    losedatafn=losedatafn)
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    for chunk in it:
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        ui.write(chunk)
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    for fn in sorted(brokenfiles):
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        ui.write(('data lost for: %s\n' % fn))