comparison mercurial/cmdutil.py @ 21998:739095270f48

log: allow patterns with -f

It's not uncommon for a user to want to run log with a pattern or directory name
on the history of their current commit.  Currently we prevent that, but
I can't think of any reason to continue blocking that.

This commit removes the restriction and allows 'hg log -f <dir/pat>'

21997:93c3b3f55d59

    match, pats = scmutil.matchandpats(pctx, pats, opts)
    slowpath = match.anypats() or (match.files() and opts.get('removed'))
    if not slowpath:
        for f in match.files():
            if follow and f not in pctx:
                raise util.Abort(_('cannot follow file not in parent '
                                   'revision: "%s"') % f)
            filelog = repo.file(f)
            if not filelog:
                # A zero count may be a directory or deleted file, so
                # try to find matching entries on the slow path.
                if follow:

                slowpath = False

    if slowpath:
        # See walkchangerevs() slow path.
        #
        if follow:
            raise util.Abort(_('can only follow copies/renames for explicit '
                               'filenames'))
        # pats/include/exclude cannot be represented as separate
        # revset expressions as their filtering logic applies at file
        # level. For instance "-I a -X a" matches a revision touching
        # "a" and "b" while "file(a) and not file(b)" does
        # not. Besides, filesets are evaluated against the working

        else:
            opts['_patslog'] = list(pats)

    filematcher = None
    if opts.get('patch') or opts.get('stat'):
        if follow and not match.always():
            # _makelogfilematcher expects its files argument to be relative to
            # the repo root, so use match.files(), not pats.
            filematcher = _makelogfilematcher(repo, match.files(), followfirst)
        else:
            filematcher = lambda rev: match

21998:739095270f48

    match, pats = scmutil.matchandpats(pctx, pats, opts)
    slowpath = match.anypats() or (match.files() and opts.get('removed'))
    if not slowpath:
        for f in match.files():
            if follow and f not in pctx:
                # If the file exists, it may be a directory, so let it
                # take the slow path.
                if os.path.exists(repo.wjoin(f)):
                    slowpath = True
                    continue
                else:
                    raise util.Abort(_('cannot follow file not in parent '
                                       'revision: "%s"') % f)
            filelog = repo.file(f)
            if not filelog:
                # A zero count may be a directory or deleted file, so
                # try to find matching entries on the slow path.
                if follow:

                slowpath = False

    if slowpath:
        # See walkchangerevs() slow path.
        #
        # pats/include/exclude cannot be represented as separate
        # revset expressions as their filtering logic applies at file
        # level. For instance "-I a -X a" matches a revision touching
        # "a" and "b" while "file(a) and not file(b)" does
        # not. Besides, filesets are evaluated against the working

        else:
            opts['_patslog'] = list(pats)

    filematcher = None
    if opts.get('patch') or opts.get('stat'):
        # When following files, track renames via a special matcher.
        # If we're forced to take the slowpath it means we're following
        # at least one pattern/directory, so don't bother with rename tracking.
        if follow and not match.always() and not slowpath:
            # _makelogfilematcher expects its files argument to be relative to
            # the repo root, so use match.files(), not pats.
            filematcher = _makelogfilematcher(repo, match.files(), followfirst)
        else:
            filematcher = lambda rev: match