hgext/fix.py
author Martin von Zweigbergk <martinvonz@google.com>
Fri, 09 Nov 2018 09:35:05 -0800
changeset 40573 a777ad36b287
parent 40570 ad71c792a8d8
child 41126 d8f5c615e811
permissions -rw-r--r--
remotefilelog: remove unused configs for {data,history}pack version Differential Revision: https://phab.mercurial-scm.org/D5249
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# fix - rewrite file content in changesets and working copy
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#
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# Copyright 2018 Google LLC.
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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"""rewrite file content in changesets or working copy (EXPERIMENTAL)
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Provides a command that runs configured tools on the contents of modified files,
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writing back any fixes to the working copy or replacing changesets.
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Here is an example configuration that causes :hg:`fix` to apply automatic
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formatting fixes to modified lines in C++ code::
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  [fix]
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  clang-format:command=clang-format --assume-filename={rootpath}
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  clang-format:linerange=--lines={first}:{last}
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  clang-format:pattern=set:**.cpp or **.hpp
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The :command suboption forms the first part of the shell command that will be
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used to fix a file. The content of the file is passed on standard input, and the
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fixed file content is expected on standard output. Any output on standard error
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will be displayed as a warning. If the exit status is not zero, the file will
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not be affected. A placeholder warning is displayed if there is a non-zero exit
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status but no standard error output. Some values may be substituted into the
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command::
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  {rootpath}  The path of the file being fixed, relative to the repo root
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  {basename}  The name of the file being fixed, without the directory path
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If the :linerange suboption is set, the tool will only be run if there are
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changed lines in a file. The value of this suboption is appended to the shell
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command once for every range of changed lines in the file. Some values may be
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substituted into the command::
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  {first}   The 1-based line number of the first line in the modified range
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  {last}    The 1-based line number of the last line in the modified range
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The :pattern suboption determines which files will be passed through each
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configured tool. See :hg:`help patterns` for possible values. If there are file
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arguments to :hg:`fix`, the intersection of these patterns is used.
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There is also a configurable limit for the maximum size of file that will be
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processed by :hg:`fix`::
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  [fix]
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  maxfilesize = 2MB
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Normally, execution of configured tools will continue after a failure (indicated
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by a non-zero exit status). It can also be configured to abort after the first
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such failure, so that no files will be affected if any tool fails. This abort
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will also cause :hg:`fix` to exit with a non-zero status::
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  [fix]
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  failure = abort
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When multiple tools are configured to affect a file, they execute in an order
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defined by the :priority suboption. The priority suboption has a default value
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of zero for each tool. Tools are executed in order of descending priority. The
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execution order of tools with equal priority is unspecified. For example, you
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could use the 'sort' and 'head' utilities to keep only the 10 smallest numbers
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in a text file by ensuring that 'sort' runs before 'head'::
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  [fix]
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  sort:command = sort --numeric-sort
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  head:command = head --lines=10
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  sort:pattern = numbers.txt
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  head:pattern = numbers.txt
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  sort:priority = 2
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  head:priority = 1
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To account for changes made by each tool, the line numbers used for incremental
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formatting are recomputed before executing the next tool. So, each tool may see
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different values for the arguments added by the :linerange suboption.
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"""
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from __future__ import absolute_import
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import collections
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import itertools
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import os
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import re
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import subprocess
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from mercurial.i18n import _
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from mercurial.node import nullrev
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from mercurial.node import wdirrev
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from mercurial.utils import (
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    procutil,
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)
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from mercurial import (
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    cmdutil,
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    context,
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    copies,
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    error,
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    mdiff,
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    merge,
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    obsolete,
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    pycompat,
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    registrar,
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    scmutil,
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    util,
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    worker,
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)
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# Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for
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# extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
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# be specifying the version(s) of Mercurial they are tested with, or
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# leave the attribute unspecified.
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testedwith = 'ships-with-hg-core'
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cmdtable = {}
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command = registrar.command(cmdtable)
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configtable = {}
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configitem = registrar.configitem(configtable)
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# Register the suboptions allowed for each configured fixer.
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FIXER_ATTRS = {
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    'command': None,
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    'linerange': None,
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    'fileset': None,
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    'pattern': None,
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    'priority': 0,
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}
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for key, default in FIXER_ATTRS.items():
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    configitem('fix', '.*(:%s)?' % key, default=default, generic=True)
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# A good default size allows most source code files to be fixed, but avoids
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# letting fixer tools choke on huge inputs, which could be surprising to the
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# user.
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configitem('fix', 'maxfilesize', default='2MB')
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# Allow fix commands to exit non-zero if an executed fixer tool exits non-zero.
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# This helps users do shell scripts that stop when a fixer tool signals a
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# problem.
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configitem('fix', 'failure', default='continue')
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def checktoolfailureaction(ui, message, hint=None):
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    """Abort with 'message' if fix.failure=abort"""
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    action = ui.config('fix', 'failure')
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    if action not in ('continue', 'abort'):
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        raise error.Abort(_('unknown fix.failure action: %s') % (action,),
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                          hint=_('use "continue" or "abort"'))
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    if action == 'abort':
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        raise error.Abort(message, hint=hint)
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allopt = ('', 'all', False, _('fix all non-public non-obsolete revisions'))
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baseopt = ('', 'base', [], _('revisions to diff against (overrides automatic '
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                             'selection, and applies to every revision being '
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                             'fixed)'), _('REV'))
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revopt = ('r', 'rev', [], _('revisions to fix'), _('REV'))
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wdiropt = ('w', 'working-dir', False, _('fix the working directory'))
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wholeopt = ('', 'whole', False, _('always fix every line of a file'))
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usage = _('[OPTION]... [FILE]...')
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@command('fix', [allopt, baseopt, revopt, wdiropt, wholeopt], usage,
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        helpcategory=command.CATEGORY_FILE_CONTENTS)
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def fix(ui, repo, *pats, **opts):
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    """rewrite file content in changesets or working directory
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    Runs any configured tools to fix the content of files. Only affects files
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    with changes, unless file arguments are provided. Only affects changed lines
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    of files, unless the --whole flag is used. Some tools may always affect the
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    whole file regardless of --whole.
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    If revisions are specified with --rev, those revisions will be checked, and
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    they may be replaced with new revisions that have fixed file content.  It is
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    desirable to specify all descendants of each specified revision, so that the
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    fixes propagate to the descendants. If all descendants are fixed at the same
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    time, no merging, rebasing, or evolution will be required.
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    If --working-dir is used, files with uncommitted changes in the working copy
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    will be fixed. If the checked-out revision is also fixed, the working
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    directory will update to the replacement revision.
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    When determining what lines of each file to fix at each revision, the whole
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    set of revisions being fixed is considered, so that fixes to earlier
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    revisions are not forgotten in later ones. The --base flag can be used to
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    override this default behavior, though it is not usually desirable to do so.
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    """
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    opts = pycompat.byteskwargs(opts)
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    if opts['all']:
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        if opts['rev']:
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            raise error.Abort(_('cannot specify both "--rev" and "--all"'))
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        opts['rev'] = ['not public() and not obsolete()']
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        opts['working_dir'] = True
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    with repo.wlock(), repo.lock(), repo.transaction('fix'):
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        revstofix = getrevstofix(ui, repo, opts)
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        basectxs = getbasectxs(repo, opts, revstofix)
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        workqueue, numitems = getworkqueue(ui, repo, pats, opts, revstofix,
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                                           basectxs)
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        fixers = getfixers(ui)
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        # There are no data dependencies between the workers fixing each file
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        # revision, so we can use all available parallelism.
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        def getfixes(items):
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            for rev, path in items:
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                ctx = repo[rev]
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                olddata = ctx[path].data()
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                newdata = fixfile(ui, opts, fixers, ctx, path, basectxs[rev])
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                # Don't waste memory/time passing unchanged content back, but
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                # produce one result per item either way.
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                yield (rev, path, newdata if newdata != olddata else None)
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        results = worker.worker(ui, 1.0, getfixes, tuple(), workqueue,
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                                threadsafe=False)
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        # We have to hold on to the data for each successor revision in memory
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        # until all its parents are committed. We ensure this by committing and
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        # freeing memory for the revisions in some topological order. This
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        # leaves a little bit of memory efficiency on the table, but also makes
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        # the tests deterministic. It might also be considered a feature since
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        # it makes the results more easily reproducible.
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        filedata = collections.defaultdict(dict)
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        replacements = {}
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        wdirwritten = False
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        commitorder = sorted(revstofix, reverse=True)
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        with ui.makeprogress(topic=_('fixing'), unit=_('files'),
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                             total=sum(numitems.values())) as progress:
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            for rev, path, newdata in results:
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                progress.increment(item=path)
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                if newdata is not None:
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                    filedata[rev][path] = newdata
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                numitems[rev] -= 1
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                # Apply the fixes for this and any other revisions that are
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                # ready and sitting at the front of the queue. Using a loop here
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                # prevents the queue from being blocked by the first revision to
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                # be ready out of order.
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                while commitorder and not numitems[commitorder[-1]]:
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                    rev = commitorder.pop()
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                    ctx = repo[rev]
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                    if rev == wdirrev:
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                        writeworkingdir(repo, ctx, filedata[rev], replacements)
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                        wdirwritten = bool(filedata[rev])
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                    else:
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                        replacerev(ui, repo, ctx, filedata[rev], replacements)
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                    del filedata[rev]
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        cleanup(repo, replacements, wdirwritten)
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def cleanup(repo, replacements, wdirwritten):
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    """Calls scmutil.cleanupnodes() with the given replacements.
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    "replacements" is a dict from nodeid to nodeid, with one key and one value
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    for every revision that was affected by fixing. This is slightly different
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    from cleanupnodes().
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    "wdirwritten" is a bool which tells whether the working copy was affected by
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    fixing, since it has no entry in "replacements".
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    Useful as a hook point for extending "hg fix" with output summarizing the
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    effects of the command, though we choose not to output anything here.
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    """
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    replacements = {prec: [succ] for prec, succ in replacements.iteritems()}
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    scmutil.cleanupnodes(repo, replacements, 'fix', fixphase=True)
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def getworkqueue(ui, repo, pats, opts, revstofix, basectxs):
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    """"Constructs the list of files to be fixed at specific revisions
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    It is up to the caller how to consume the work items, and the only
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    dependence between them is that replacement revisions must be committed in
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    topological order. Each work item represents a file in the working copy or
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    in some revision that should be fixed and written back to the working copy
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    or into a replacement revision.
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    Work items for the same revision are grouped together, so that a worker
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    pool starting with the first N items in parallel is likely to finish the
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    first revision's work before other revisions. This can allow us to write
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    the result to disk and reduce memory footprint. At time of writing, the
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    partition strategy in worker.py seems favorable to this. We also sort the
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    items by ascending revision number to match the order in which we commit
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    the fixes later.
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    """
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    workqueue = []
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    numitems = collections.defaultdict(int)
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    maxfilesize = ui.configbytes('fix', 'maxfilesize')
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    for rev in sorted(revstofix):
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        fixctx = repo[rev]
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        match = scmutil.match(fixctx, pats, opts)
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        for path in pathstofix(ui, repo, pats, opts, match, basectxs[rev],
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                               fixctx):
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            if path not in fixctx:
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                continue
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            fctx = fixctx[path]
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            if fctx.islink():
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                continue
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            if fctx.size() > maxfilesize:
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                ui.warn(_('ignoring file larger than %s: %s\n') %
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                        (util.bytecount(maxfilesize), path))
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                continue
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            workqueue.append((rev, path))
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            numitems[rev] += 1
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    return workqueue, numitems
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def getrevstofix(ui, repo, opts):
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    """Returns the set of revision numbers that should be fixed"""
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    revs = set(scmutil.revrange(repo, opts['rev']))
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    for rev in revs:
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        checkfixablectx(ui, repo, repo[rev])
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    if revs:
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        cmdutil.checkunfinished(repo)
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        checknodescendants(repo, revs)
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    if opts.get('working_dir'):
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        revs.add(wdirrev)
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        if list(merge.mergestate.read(repo).unresolved()):
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            raise error.Abort('unresolved conflicts', hint="use 'hg resolve'")
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    if not revs:
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        raise error.Abort(
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            'no changesets specified', hint='use --rev or --working-dir')
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    return revs
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def checknodescendants(repo, revs):
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    if (not obsolete.isenabled(repo, obsolete.allowunstableopt) and
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        repo.revs('(%ld::) - (%ld)', revs, revs)):
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        raise error.Abort(_('can only fix a changeset together '
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                            'with all its descendants'))
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   320
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def checkfixablectx(ui, repo, ctx):
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    """Aborts if the revision shouldn't be replaced with a fixed one."""
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    if not ctx.mutable():
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        raise error.Abort('can\'t fix immutable changeset %s' %
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                          (scmutil.formatchangeid(ctx),))
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    if ctx.obsolete():
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        # It would be better to actually check if the revision has a successor.
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        allowdivergence = ui.configbool('experimental',
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                                        'evolution.allowdivergence')
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        if not allowdivergence:
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            raise error.Abort('fixing obsolete revision could cause divergence')
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   332
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def pathstofix(ui, repo, pats, opts, match, basectxs, fixctx):
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    """Returns the set of files that should be fixed in a context
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   335
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    The result depends on the base contexts; we include any file that has
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    changed relative to any of the base contexts. Base contexts should be
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   338
    ancestors of the context being fixed.
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   339
    """
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   340
    files = set()
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   341
    for basectx in basectxs:
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        stat = basectx.status(fixctx, match=match, listclean=bool(pats),
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   343
                              listunknown=bool(pats))
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        files.update(
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   345
            set(itertools.chain(stat.added, stat.modified, stat.clean,
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   346
                                stat.unknown)))
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   347
    return files
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   348
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def lineranges(opts, path, basectxs, fixctx, content2):
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    """Returns the set of line ranges that should be fixed in a file
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   351
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   352
    Of the form [(10, 20), (30, 40)].
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   353
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   354
    This depends on the given base contexts; we must consider lines that have
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   355
    changed versus any of the base contexts, and whether the file has been
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diff changeset
   356
    renamed versus any of them.
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diff changeset
   357
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   358
    Another way to understand this is that we exclude line ranges that are
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diff changeset
   359
    common to the file in all base contexts.
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diff changeset
   360
    """
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diff changeset
   361
    if opts.get('whole'):
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diff changeset
   362
        # Return a range containing all lines. Rely on the diff implementation's
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   363
        # idea of how many lines are in the file, instead of reimplementing it.
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   364
        return difflineranges('', content2)
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diff changeset
   365
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diff changeset
   366
    rangeslist = []
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diff changeset
   367
    for basectx in basectxs:
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diff changeset
   368
        basepath = copies.pathcopies(basectx, fixctx).get(path, path)
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diff changeset
   369
        if basepath in basectx:
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   370
            content1 = basectx[basepath].data()
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diff changeset
   371
        else:
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diff changeset
   372
            content1 = ''
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diff changeset
   373
        rangeslist.extend(difflineranges(content1, content2))
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diff changeset
   374
    return unionranges(rangeslist)
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diff changeset
   375
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   376
def unionranges(rangeslist):
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diff changeset
   377
    """Return the union of some closed intervals
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diff changeset
   378
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diff changeset
   379
    >>> unionranges([])
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diff changeset
   380
    []
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diff changeset
   381
    >>> unionranges([(1, 100)])
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diff changeset
   382
    [(1, 100)]
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diff changeset
   383
    >>> unionranges([(1, 100), (1, 100)])
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diff changeset
   384
    [(1, 100)]
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parents:
diff changeset
   385
    >>> unionranges([(1, 100), (2, 100)])
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parents:
diff changeset
   386
    [(1, 100)]
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parents:
diff changeset
   387
    >>> unionranges([(1, 99), (1, 100)])
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diff changeset
   388
    [(1, 100)]
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diff changeset
   389
    >>> unionranges([(1, 100), (40, 60)])
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parents:
diff changeset
   390
    [(1, 100)]
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diff changeset
   391
    >>> unionranges([(1, 49), (50, 100)])
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diff changeset
   392
    [(1, 100)]
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diff changeset
   393
    >>> unionranges([(1, 48), (50, 100)])
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diff changeset
   394
    [(1, 48), (50, 100)]
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diff changeset
   395
    >>> unionranges([(1, 2), (3, 4), (5, 6)])
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parents:
diff changeset
   396
    [(1, 6)]
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parents:
diff changeset
   397
    """
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diff changeset
   398
    rangeslist = sorted(set(rangeslist))
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parents:
diff changeset
   399
    unioned = []
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diff changeset
   400
    if rangeslist:
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parents:
diff changeset
   401
        unioned, rangeslist = [rangeslist[0]], rangeslist[1:]
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parents:
diff changeset
   402
    for a, b in rangeslist:
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parents:
diff changeset
   403
        c, d = unioned[-1]
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parents:
diff changeset
   404
        if a > d + 1:
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parents:
diff changeset
   405
            unioned.append((a, b))
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parents:
diff changeset
   406
        else:
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parents:
diff changeset
   407
            unioned[-1] = (c, max(b, d))
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parents:
diff changeset
   408
    return unioned
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parents:
diff changeset
   409
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parents:
diff changeset
   410
def difflineranges(content1, content2):
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parents:
diff changeset
   411
    """Return list of line number ranges in content2 that differ from content1.
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parents:
diff changeset
   412
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parents:
diff changeset
   413
    Line numbers are 1-based. The numbers are the first and last line contained
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parents:
diff changeset
   414
    in the range. Single-line ranges have the same line number for the first and
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   415
    last line. Excludes any empty ranges that result from lines that are only
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   416
    present in content1. Relies on mdiff's idea of where the line endings are in
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   417
    the string.
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   418
37213
893ff8c3bc57 py3: fix fix doctests to be bytes-safe
Yuya Nishihara <yuya@tcha.org>
parents: 37207
diff changeset
   419
    >>> from mercurial import pycompat
893ff8c3bc57 py3: fix fix doctests to be bytes-safe
Yuya Nishihara <yuya@tcha.org>
parents: 37207
diff changeset
   420
    >>> lines = lambda s: b'\\n'.join([c for c in pycompat.iterbytestr(s)])
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   421
    >>> difflineranges2 = lambda a, b: difflineranges(lines(a), lines(b))
37213
893ff8c3bc57 py3: fix fix doctests to be bytes-safe
Yuya Nishihara <yuya@tcha.org>
parents: 37207
diff changeset
   422
    >>> difflineranges2(b'', b'')
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   423
    []
37213
893ff8c3bc57 py3: fix fix doctests to be bytes-safe
Yuya Nishihara <yuya@tcha.org>
parents: 37207
diff changeset
   424
    >>> difflineranges2(b'a', b'')
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   425
    []
37213
893ff8c3bc57 py3: fix fix doctests to be bytes-safe
Yuya Nishihara <yuya@tcha.org>
parents: 37207
diff changeset
   426
    >>> difflineranges2(b'', b'A')
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   427
    [(1, 1)]
37213
893ff8c3bc57 py3: fix fix doctests to be bytes-safe
Yuya Nishihara <yuya@tcha.org>
parents: 37207
diff changeset
   428
    >>> difflineranges2(b'a', b'a')
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   429
    []
37213
893ff8c3bc57 py3: fix fix doctests to be bytes-safe
Yuya Nishihara <yuya@tcha.org>
parents: 37207
diff changeset
   430
    >>> difflineranges2(b'a', b'A')
893ff8c3bc57 py3: fix fix doctests to be bytes-safe
Yuya Nishihara <yuya@tcha.org>
parents: 37207
diff changeset
   431
    [(1, 1)]
893ff8c3bc57 py3: fix fix doctests to be bytes-safe
Yuya Nishihara <yuya@tcha.org>
parents: 37207
diff changeset
   432
    >>> difflineranges2(b'ab', b'')
893ff8c3bc57 py3: fix fix doctests to be bytes-safe
Yuya Nishihara <yuya@tcha.org>
parents: 37207
diff changeset
   433
    []
893ff8c3bc57 py3: fix fix doctests to be bytes-safe
Yuya Nishihara <yuya@tcha.org>
parents: 37207
diff changeset
   434
    >>> difflineranges2(b'', b'AB')
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   435
    [(1, 2)]
37213
893ff8c3bc57 py3: fix fix doctests to be bytes-safe
Yuya Nishihara <yuya@tcha.org>
parents: 37207
diff changeset
   436
    >>> difflineranges2(b'abc', b'ac')
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   437
    []
37213
893ff8c3bc57 py3: fix fix doctests to be bytes-safe
Yuya Nishihara <yuya@tcha.org>
parents: 37207
diff changeset
   438
    >>> difflineranges2(b'ab', b'aCb')
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   439
    [(2, 2)]
37213
893ff8c3bc57 py3: fix fix doctests to be bytes-safe
Yuya Nishihara <yuya@tcha.org>
parents: 37207
diff changeset
   440
    >>> difflineranges2(b'abc', b'aBc')
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   441
    [(2, 2)]
37213
893ff8c3bc57 py3: fix fix doctests to be bytes-safe
Yuya Nishihara <yuya@tcha.org>
parents: 37207
diff changeset
   442
    >>> difflineranges2(b'ab', b'AB')
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   443
    [(1, 2)]
37213
893ff8c3bc57 py3: fix fix doctests to be bytes-safe
Yuya Nishihara <yuya@tcha.org>
parents: 37207
diff changeset
   444
    >>> difflineranges2(b'abcde', b'aBcDe')
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   445
    [(2, 2), (4, 4)]
37213
893ff8c3bc57 py3: fix fix doctests to be bytes-safe
Yuya Nishihara <yuya@tcha.org>
parents: 37207
diff changeset
   446
    >>> difflineranges2(b'abcde', b'aBCDe')
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   447
    [(2, 4)]
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   448
    """
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   449
    ranges = []
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   450
    for lines, kind in mdiff.allblocks(content1, content2):
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   451
        firstline, lastline = lines[2:4]
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   452
        if kind == '!' and firstline != lastline:
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   453
            ranges.append((firstline + 1, lastline))
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   454
    return ranges
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   455
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   456
def getbasectxs(repo, opts, revstofix):
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   457
    """Returns a map of the base contexts for each revision
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   458
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   459
    The base contexts determine which lines are considered modified when we
38590
f068495a1c28 fix: add test case that shows why --whole with --base is useful
Danny Hooper <hooper@google.com>
parents: 38537
diff changeset
   460
    attempt to fix just the modified lines in a file. It also determines which
f068495a1c28 fix: add test case that shows why --whole with --base is useful
Danny Hooper <hooper@google.com>
parents: 38537
diff changeset
   461
    files we attempt to fix, so it is important to compute this even when
f068495a1c28 fix: add test case that shows why --whole with --base is useful
Danny Hooper <hooper@google.com>
parents: 38537
diff changeset
   462
    --whole is used.
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   463
    """
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   464
    # The --base flag overrides the usual logic, and we give every revision
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   465
    # exactly the set of baserevs that the user specified.
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   466
    if opts.get('base'):
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   467
        baserevs = set(scmutil.revrange(repo, opts.get('base')))
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   468
        if not baserevs:
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   469
            baserevs = {nullrev}
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   470
        basectxs = {repo[rev] for rev in baserevs}
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   471
        return {rev: basectxs for rev in revstofix}
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   472
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   473
    # Proceed in topological order so that we can easily determine each
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   474
    # revision's baserevs by looking at its parents and their baserevs.
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   475
    basectxs = collections.defaultdict(set)
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   476
    for rev in sorted(revstofix):
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   477
        ctx = repo[rev]
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   478
        for pctx in ctx.parents():
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   479
            if pctx.rev() in basectxs:
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   480
                basectxs[rev].update(basectxs[pctx.rev()])
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   481
            else:
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   482
                basectxs[rev].add(pctx)
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   483
    return basectxs
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   484
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   485
def fixfile(ui, opts, fixers, fixctx, path, basectxs):
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   486
    """Run any configured fixers that should affect the file in this context
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   487
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   488
    Returns the file content that results from applying the fixers in some order
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   489
    starting with the file's content in the fixctx. Fixers that support line
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   490
    ranges will affect lines that have changed relative to any of the basectxs
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   491
    (i.e. they will only avoid lines that are common to all basectxs).
38967
a009589cd32a fix: determine fixer tool failure by exit code instead of stderr
Danny Hooper <hooper@google.com>
parents: 38950
diff changeset
   492
a009589cd32a fix: determine fixer tool failure by exit code instead of stderr
Danny Hooper <hooper@google.com>
parents: 38950
diff changeset
   493
    A fixer tool's stdout will become the file's new content if and only if it
a009589cd32a fix: determine fixer tool failure by exit code instead of stderr
Danny Hooper <hooper@google.com>
parents: 38950
diff changeset
   494
    exits with code zero.
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   495
    """
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   496
    newdata = fixctx[path].data()
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   497
    for fixername, fixer in fixers.iteritems():
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   498
        if fixer.affects(opts, fixctx, path):
38860
257c9846b532 fix: compute changed lines lazily to make whole-file fixer tools faster
Danny Hooper <hooper@google.com>
parents: 38811
diff changeset
   499
            rangesfn = lambda: lineranges(opts, path, basectxs, fixctx, newdata)
257c9846b532 fix: compute changed lines lazily to make whole-file fixer tools faster
Danny Hooper <hooper@google.com>
parents: 38811
diff changeset
   500
            command = fixer.command(ui, path, rangesfn)
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   501
            if command is None:
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   502
                continue
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   503
            ui.debug('subprocess: %s\n' % (command,))
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   504
            proc = subprocess.Popen(
39836
f1d6021453c2 py3: remove a couple of superfluous calls to pycompat.rapply()
Matt Harbison <matt_harbison@yahoo.com>
parents: 39826
diff changeset
   505
                procutil.tonativestr(command),
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   506
                shell=True,
39826
c31ce080eb75 py3: convert arguments, cwd and env to native strings when spawning subprocess
Matt Harbison <matt_harbison@yahoo.com>
parents: 38967
diff changeset
   507
                cwd=procutil.tonativestr(b'/'),
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   508
                stdin=subprocess.PIPE,
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   509
                stdout=subprocess.PIPE,
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   510
                stderr=subprocess.PIPE)
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   511
            newerdata, stderr = proc.communicate(newdata)
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   512
            if stderr:
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   513
                showstderr(ui, fixctx.rev(), fixername, stderr)
38967
a009589cd32a fix: determine fixer tool failure by exit code instead of stderr
Danny Hooper <hooper@google.com>
parents: 38950
diff changeset
   514
            if proc.returncode == 0:
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   515
                newdata = newerdata
40532
93bab80993f4 fix: add a config to abort when a fixer tool fails
Danny Hooper <hooper@google.com>
parents: 40431
diff changeset
   516
            else:
93bab80993f4 fix: add a config to abort when a fixer tool fails
Danny Hooper <hooper@google.com>
parents: 40431
diff changeset
   517
                if not stderr:
93bab80993f4 fix: add a config to abort when a fixer tool fails
Danny Hooper <hooper@google.com>
parents: 40431
diff changeset
   518
                    message = _('exited with status %d\n') % (proc.returncode,)
93bab80993f4 fix: add a config to abort when a fixer tool fails
Danny Hooper <hooper@google.com>
parents: 40431
diff changeset
   519
                    showstderr(ui, fixctx.rev(), fixername, message)
93bab80993f4 fix: add a config to abort when a fixer tool fails
Danny Hooper <hooper@google.com>
parents: 40431
diff changeset
   520
                checktoolfailureaction(
93bab80993f4 fix: add a config to abort when a fixer tool fails
Danny Hooper <hooper@google.com>
parents: 40431
diff changeset
   521
                    ui, _('no fixes will be applied'),
93bab80993f4 fix: add a config to abort when a fixer tool fails
Danny Hooper <hooper@google.com>
parents: 40431
diff changeset
   522
                    hint=_('use --config fix.failure=continue to apply any '
93bab80993f4 fix: add a config to abort when a fixer tool fails
Danny Hooper <hooper@google.com>
parents: 40431
diff changeset
   523
                           'successful fixes anyway'))
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   524
    return newdata
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   525
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   526
def showstderr(ui, rev, fixername, stderr):
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   527
    """Writes the lines of the stderr string as warnings on the ui
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   528
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   529
    Uses the revision number and fixername to give more context to each line of
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   530
    the error message. Doesn't include file names, since those take up a lot of
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   531
    space and would tend to be included in the error message if they were
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   532
    relevant.
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   533
    """
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   534
    for line in re.split('[\r\n]+', stderr):
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   535
        if line:
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   536
            ui.warn(('['))
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   537
            if rev is None:
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   538
                ui.warn(_('wdir'), label='evolve.rev')
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   539
            else:
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   540
                ui.warn((str(rev)), label='evolve.rev')
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   541
            ui.warn(('] %s: %s\n') % (fixername, line))
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   542
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   543
def writeworkingdir(repo, ctx, filedata, replacements):
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   544
    """Write new content to the working copy and check out the new p1 if any
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   545
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   546
    We check out a new revision if and only if we fixed something in both the
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   547
    working directory and its parent revision. This avoids the need for a full
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   548
    update/merge, and means that the working directory simply isn't affected
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   549
    unless the --working-dir flag is given.
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   550
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   551
    Directly updates the dirstate for the affected files.
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   552
    """
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   553
    for path, data in filedata.iteritems():
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   554
        fctx = ctx[path]
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   555
        fctx.write(data, fctx.flags())
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   556
        if repo.dirstate[path] == 'n':
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   557
            repo.dirstate.normallookup(path)
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   558
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   559
    oldparentnodes = repo.dirstate.parents()
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   560
    newparentnodes = [replacements.get(n, n) for n in oldparentnodes]
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   561
    if newparentnodes != oldparentnodes:
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   562
        repo.setparents(*newparentnodes)
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   563
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   564
def replacerev(ui, repo, ctx, filedata, replacements):
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   565
    """Commit a new revision like the given one, but with file content changes
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   566
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   567
    "ctx" is the original revision to be replaced by a modified one.
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   568
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   569
    "filedata" is a dict that maps paths to their new file content. All other
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   570
    paths will be recreated from the original revision without changes.
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   571
    "filedata" may contain paths that didn't exist in the original revision;
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   572
    they will be added.
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   573
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   574
    "replacements" is a dict that maps a single node to a single node, and it is
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   575
    updated to indicate the original revision is replaced by the newly created
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   576
    one. No entry is added if the replacement's node already exists.
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   577
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   578
    The new revision has the same parents as the old one, unless those parents
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   579
    have already been replaced, in which case those replacements are the parents
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   580
    of this new revision. Thus, if revisions are replaced in topological order,
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   581
    there is no need to rebase them into the original topology later.
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   582
    """
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   583
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   584
    p1rev, p2rev = repo.changelog.parentrevs(ctx.rev())
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   585
    p1ctx, p2ctx = repo[p1rev], repo[p2rev]
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   586
    newp1node = replacements.get(p1ctx.node(), p1ctx.node())
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   587
    newp2node = replacements.get(p2ctx.node(), p2ctx.node())
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   588
40570
ad71c792a8d8 fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents: 40566
diff changeset
   589
    # We don't want to create a revision that has no changes from the original,
ad71c792a8d8 fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents: 40566
diff changeset
   590
    # but we should if the original revision's parent has been replaced.
ad71c792a8d8 fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents: 40566
diff changeset
   591
    # Otherwise, we would produce an orphan that needs no actual human
ad71c792a8d8 fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents: 40566
diff changeset
   592
    # intervention to evolve. We can't rely on commit() to avoid creating the
ad71c792a8d8 fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents: 40566
diff changeset
   593
    # un-needed revision because the extra field added below produces a new hash
ad71c792a8d8 fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents: 40566
diff changeset
   594
    # regardless of file content changes.
ad71c792a8d8 fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents: 40566
diff changeset
   595
    if (not filedata and
ad71c792a8d8 fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents: 40566
diff changeset
   596
        p1ctx.node() not in replacements and
ad71c792a8d8 fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents: 40566
diff changeset
   597
        p2ctx.node() not in replacements):
ad71c792a8d8 fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents: 40566
diff changeset
   598
        return
ad71c792a8d8 fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents: 40566
diff changeset
   599
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   600
    def filectxfn(repo, memctx, path):
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   601
        if path not in ctx:
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   602
            return None
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   603
        fctx = ctx[path]
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   604
        copied = fctx.renamed()
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   605
        if copied:
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   606
            copied = copied[0]
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   607
        return context.memfilectx(
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   608
            repo,
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   609
            memctx,
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   610
            path=fctx.path(),
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   611
            data=filedata.get(path, fctx.data()),
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   612
            islink=fctx.islink(),
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   613
            isexec=fctx.isexec(),
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   614
            copied=copied)
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   615
40570
ad71c792a8d8 fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents: 40566
diff changeset
   616
    extra = ctx.extra().copy()
ad71c792a8d8 fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents: 40566
diff changeset
   617
    extra['fix_source'] = ctx.hex()
ad71c792a8d8 fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents: 40566
diff changeset
   618
38423
32fba6fe893d scmutil: make cleanupnodes optionally also fix the phase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38420
diff changeset
   619
    memctx = context.memctx(
32fba6fe893d scmutil: make cleanupnodes optionally also fix the phase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38420
diff changeset
   620
        repo,
32fba6fe893d scmutil: make cleanupnodes optionally also fix the phase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38420
diff changeset
   621
        parents=(newp1node, newp2node),
32fba6fe893d scmutil: make cleanupnodes optionally also fix the phase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38420
diff changeset
   622
        text=ctx.description(),
32fba6fe893d scmutil: make cleanupnodes optionally also fix the phase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38420
diff changeset
   623
        files=set(ctx.files()) | set(filedata.keys()),
32fba6fe893d scmutil: make cleanupnodes optionally also fix the phase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38420
diff changeset
   624
        filectxfn=filectxfn,
32fba6fe893d scmutil: make cleanupnodes optionally also fix the phase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38420
diff changeset
   625
        user=ctx.user(),
32fba6fe893d scmutil: make cleanupnodes optionally also fix the phase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38420
diff changeset
   626
        date=ctx.date(),
40570
ad71c792a8d8 fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents: 40566
diff changeset
   627
        extra=extra,
38423
32fba6fe893d scmutil: make cleanupnodes optionally also fix the phase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38420
diff changeset
   628
        branch=ctx.branch(),
32fba6fe893d scmutil: make cleanupnodes optionally also fix the phase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38420
diff changeset
   629
        editor=None)
32fba6fe893d scmutil: make cleanupnodes optionally also fix the phase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38420
diff changeset
   630
    sucnode = memctx.commit()
32fba6fe893d scmutil: make cleanupnodes optionally also fix the phase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38420
diff changeset
   631
    prenode = ctx.node()
32fba6fe893d scmutil: make cleanupnodes optionally also fix the phase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38420
diff changeset
   632
    if prenode == sucnode:
32fba6fe893d scmutil: make cleanupnodes optionally also fix the phase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38420
diff changeset
   633
        ui.debug('node %s already existed\n' % (ctx.hex()))
32fba6fe893d scmutil: make cleanupnodes optionally also fix the phase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38420
diff changeset
   634
    else:
32fba6fe893d scmutil: make cleanupnodes optionally also fix the phase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38420
diff changeset
   635
        replacements[ctx.node()] = sucnode
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   636
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   637
def getfixers(ui):
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   638
    """Returns a map of configured fixer tools indexed by their names
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   639
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   640
    Each value is a Fixer object with methods that implement the behavior of the
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   641
    fixer's config suboptions. Does not validate the config values.
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   642
    """
40566
b9557567cc3f fix: add suboption for configuring execution order of tools
Danny Hooper <hooper@google.com>
parents: 40533
diff changeset
   643
    fixers = {}
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   644
    for name in fixernames(ui):
40566
b9557567cc3f fix: add suboption for configuring execution order of tools
Danny Hooper <hooper@google.com>
parents: 40533
diff changeset
   645
        fixers[name] = Fixer()
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   646
        attrs = ui.configsuboptions('fix', name)[1]
40533
2ecf5c24d0cd fix: rename :fileset subconfig to :pattern
Danny Hooper <hooper@google.com>
parents: 40532
diff changeset
   647
        if 'fileset' in attrs and 'pattern' not in attrs:
2ecf5c24d0cd fix: rename :fileset subconfig to :pattern
Danny Hooper <hooper@google.com>
parents: 40532
diff changeset
   648
            ui.warn(_('the fix.tool:fileset config name is deprecated; '
2ecf5c24d0cd fix: rename :fileset subconfig to :pattern
Danny Hooper <hooper@google.com>
parents: 40532
diff changeset
   649
                      'please rename it to fix.tool:pattern\n'))
2ecf5c24d0cd fix: rename :fileset subconfig to :pattern
Danny Hooper <hooper@google.com>
parents: 40532
diff changeset
   650
            attrs['pattern'] = attrs['fileset']
40566
b9557567cc3f fix: add suboption for configuring execution order of tools
Danny Hooper <hooper@google.com>
parents: 40533
diff changeset
   651
        for key, default in FIXER_ATTRS.items():
b9557567cc3f fix: add suboption for configuring execution order of tools
Danny Hooper <hooper@google.com>
parents: 40533
diff changeset
   652
            setattr(fixers[name], pycompat.sysstr('_' + key),
b9557567cc3f fix: add suboption for configuring execution order of tools
Danny Hooper <hooper@google.com>
parents: 40533
diff changeset
   653
                    attrs.get(key, default))
b9557567cc3f fix: add suboption for configuring execution order of tools
Danny Hooper <hooper@google.com>
parents: 40533
diff changeset
   654
        fixers[name]._priority = int(fixers[name]._priority)
b9557567cc3f fix: add suboption for configuring execution order of tools
Danny Hooper <hooper@google.com>
parents: 40533
diff changeset
   655
    return collections.OrderedDict(
b9557567cc3f fix: add suboption for configuring execution order of tools
Danny Hooper <hooper@google.com>
parents: 40533
diff changeset
   656
        sorted(fixers.items(), key=lambda item: item[1]._priority,
b9557567cc3f fix: add suboption for configuring execution order of tools
Danny Hooper <hooper@google.com>
parents: 40533
diff changeset
   657
               reverse=True))
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   658
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   659
def fixernames(ui):
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   660
    """Returns the names of [fix] config options that have suboptions"""
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   661
    names = set()
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   662
    for k, v in ui.configitems('fix'):
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   663
        if ':' in k:
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   664
            names.add(k.split(':', 1)[0])
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   665
    return names
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   666
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   667
class Fixer(object):
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   668
    """Wraps the raw config values for a fixer with methods"""
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   669
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   670
    def affects(self, opts, fixctx, path):
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   671
        """Should this fixer run on the file at the given path and context?"""
40533
2ecf5c24d0cd fix: rename :fileset subconfig to :pattern
Danny Hooper <hooper@google.com>
parents: 40532
diff changeset
   672
        return scmutil.match(fixctx, [self._pattern], opts)(path)
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   673
38860
257c9846b532 fix: compute changed lines lazily to make whole-file fixer tools faster
Danny Hooper <hooper@google.com>
parents: 38811
diff changeset
   674
    def command(self, ui, path, rangesfn):
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   675
        """A shell command to use to invoke this fixer on the given file/lines
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   676
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   677
        May return None if there is no appropriate command to run for the given
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   678
        parameters.
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   679
        """
37774
d6970628b95f fix: use templater to substitute values in command string
Yuya Nishihara <yuya@tcha.org>
parents: 37618
diff changeset
   680
        expand = cmdutil.rendercommandtemplate
d6970628b95f fix: use templater to substitute values in command string
Yuya Nishihara <yuya@tcha.org>
parents: 37618
diff changeset
   681
        parts = [expand(ui, self._command,
d6970628b95f fix: use templater to substitute values in command string
Yuya Nishihara <yuya@tcha.org>
parents: 37618
diff changeset
   682
                        {'rootpath': path, 'basename': os.path.basename(path)})]
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   683
        if self._linerange:
38860
257c9846b532 fix: compute changed lines lazily to make whole-file fixer tools faster
Danny Hooper <hooper@google.com>
parents: 38811
diff changeset
   684
            ranges = rangesfn()
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   685
            if not ranges:
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   686
                # No line ranges to fix, so don't run the fixer.
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   687
                return None
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   688
            for first, last in ranges:
37774
d6970628b95f fix: use templater to substitute values in command string
Yuya Nishihara <yuya@tcha.org>
parents: 37618
diff changeset
   689
                parts.append(expand(ui, self._linerange,
d6970628b95f fix: use templater to substitute values in command string
Yuya Nishihara <yuya@tcha.org>
parents: 37618
diff changeset
   690
                                    {'first': first, 'last': last}))
37183
ded5ea279a93 fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff changeset
   691
        return ' '.join(parts)