comparison hgext/extdiff.py @ 29721:479076db51be

extdiff: refactor closure of saved diff command as a top-level class

This allows us to collect __doc__ for translation.

29720:041fecbb588a

    if not program:
        program = 'diff'
        option = option or ['-Npru']
    cmdline = ' '.join(map(util.shellquote, [program] + option))
    return dodiff(ui, repo, cmdline, pats, opts)

def uisetup(ui):
    for cmd, path in ui.configitems('extdiff'):
        path = util.expandpath(path)
        if cmd.startswith('cmd.'):

        if not diffopts:
            args = ui.config('diff-tools', cmd+'.diffargs') or \
                   ui.config('merge-tools', cmd+'.diffargs')
            if args:
                cmdline += ' ' + args
        def save(cmdline):
            '''use closure to save diff command to use'''
            def mydiff(ui, repo, *pats, **opts):
                options = ' '.join(map(util.shellquote, opts['option']))
                if options:
                    options = ' ' + options
                return dodiff(ui, repo, cmdline + options, pats, opts)
            # We can't pass non-ASCII through docstrings (and path is
            # in an unknown encoding anyway)
            docpath = path.encode("string-escape")
            mydiff.__doc__ = '''\
use %(path)s to diff repository (or selected files)

    Show differences between revisions for the specified files, using
    the %(path)s program.

    When two revision arguments are given, then changes are shown
    between those revisions. If only one revision is specified then
    that revision is compared to the working directory, and, when no
    revisions are specified, the working directory files are compared
    to its parent.\
''' % {'path': util.uirepr(docpath)}
            return mydiff
        command(cmd, extdiffopts[:], _('hg %s [OPTION]... [FILE]...') % cmd,
                inferrepo=True)(save(cmdline))

29721:479076db51be

    if not program:
        program = 'diff'
        option = option or ['-Npru']
    cmdline = ' '.join(map(util.shellquote, [program] + option))
    return dodiff(ui, repo, cmdline, pats, opts)

class savedcmd(object):
    """use %(path)s to diff repository (or selected files)

    Show differences between revisions for the specified files, using
    the %(path)s program.

    When two revision arguments are given, then changes are shown
    between those revisions. If only one revision is specified then
    that revision is compared to the working directory, and, when no
    revisions are specified, the working directory files are compared
    to its parent.
    """

    def __init__(self, path, cmdline):
        # We can't pass non-ASCII through docstrings (and path is
        # in an unknown encoding anyway)
        docpath = path.encode("string-escape")
        self.__doc__ = self.__doc__ % {'path': util.uirepr(docpath)}
        self._cmdline = cmdline

    def __call__(self, ui, repo, *pats, **opts):
        options = ' '.join(map(util.shellquote, opts['option']))
        if options:
            options = ' ' + options
        return dodiff(ui, repo, self._cmdline + options, pats, opts)

def uisetup(ui):
    for cmd, path in ui.configitems('extdiff'):
        path = util.expandpath(path)
        if cmd.startswith('cmd.'):

        if not diffopts:
            args = ui.config('diff-tools', cmd+'.diffargs') or \
                   ui.config('merge-tools', cmd+'.diffargs')
            if args:
                cmdline += ' ' + args
        command(cmd, extdiffopts[:], _('hg %s [OPTION]... [FILE]...') % cmd,
                inferrepo=True)(savedcmd(path, cmdline))