view hgext3rd/topic/compat.py @ 6887:45cbf0af48e7 stable

tests: update old changeset hashes in test-tutorial.t

They actually should've been updated in 32ed5b6fadd3, but better late than
never.

Unfortunately, these messages are not tied directly to any command output, so
the issue with using nonexistent hashes was not immediately obvious after
running this test.

# Copyright 2017 FUJIWARA Katsunori <[e-mail]>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
"""
Compatibility module
"""
from __future__ import absolute_import

from mercurial.i18n import _
from mercurial import (
    cmdutil,
    error,
    extensions,
    pycompat,
    util,
)

if pycompat.ispy3:
    def branchmapitems(branchmap):
        return branchmap.items()
else:
    # py3-transform: off
    def branchmapitems(branchmap):
        return branchmap.iteritems()
    # py3-transform: on

def bcentries(branchcache):
    if util.safehasattr(branchcache, '_entries'):
        return branchcache._entries
    else:
        # hg <= 4.9 (624d6683c705+b137a6793c51)
        return branchcache

# nodemap.get and index.[has_node|rev|get_rev]
# hg <= 5.2 (02802fa87b74)
def getgetrev(cl):
    """Returns index.get_rev or nodemap.get (for pre-5.3 Mercurial)."""
    if util.safehasattr(cl.index, 'get_rev'):
        return cl.index.get_rev
    return cl.nodemap.get

# hg <= 5.4 (e2d17974a869)
def nonpublicphaseroots(repo):
    if util.safehasattr(repo._phasecache, 'nonpublicphaseroots'):
        return repo._phasecache.nonpublicphaseroots(repo)
    return set().union(
        *[roots for roots in repo._phasecache.phaseroots[1:] if roots]
    )

def overridecommitstatus(overridefn):
    code = cmdutil.commitstatus.__code__
    if r'opts' in code.co_varnames[code.co_argcount:]:
        # commitstatus(..., **opts)
        extensions.wrapfunction(cmdutil, 'commitstatus', overridefn)
    elif r'tip' in code.co_varnames:
        # hg <= 6.5 (489268c8ee7e)
        def _override(orig, repo, node, branch, bheads=None, tip=None, opts=None):
            def _orig(repo, node, branch, bheads=None, tip=None, **opts):
                opts = pycompat.byteskwargs(opts)
                return orig(repo, node, branch, bheads=bheads, tip=tip, opts=opts)
            if opts is None:
                opts = {}
            opts = pycompat.strkwargs(opts)
            return overridefn(_orig, repo, node, branch, bheads=bheads, tip=tip, **opts)
        extensions.wrapfunction(cmdutil, 'commitstatus', _override)
    else:
        # hg <= 5.6 (976b26bdd0d8)
        def _override(orig, repo, node, branch, bheads=None, opts=None):
            def _orig(repo, node, branch, bheads=None, **opts):
                opts = pycompat.byteskwargs(opts)
                return orig(repo, node, branch, bheads=bheads, opts=opts)
            if opts is None:
                opts = {}
            opts = pycompat.strkwargs(opts)
            return overridefn(_orig, repo, node, branch, bheads=bheads, **opts)
        extensions.wrapfunction(cmdutil, 'commitstatus', _override)

if util.safehasattr(error, 'InputError'):
    InputError = error.InputError
else:
    # hg <= 5.6 (8d72e29ad1e0)
    InputError = error.Abort

if util.safehasattr(error, 'StateError'):
    StateError = error.StateError
else:
    # hg <= 5.6 (527ce85c2e60)
    StateError = error.Abort

if util.safehasattr(error, 'CanceledError'):
    CanceledError = error.CanceledError
else:
    # hg <= 5.6 (ac362d5a7893)
    CanceledError = error.Abort

if util.safehasattr(cmdutil, 'check_at_most_one_arg'):
    def check_at_most_one_arg(opts, *args):
        return cmdutil.check_at_most_one_arg(opts, *args)
else:
    # hg <= 5.2 (d587937600be)
    def check_at_most_one_arg(opts, *args):
        def to_display(name):
            return pycompat.sysbytes(name).replace(b'_', b'-')

        previous = None
        for x in args:
            if opts.get(x):
                if previous:
                    raise InputError(_(b'cannot specify both --%s and --%s')
                                     % (to_display(previous), to_display(x)))
                previous = x
        return previous

if util.safehasattr(cmdutil, 'check_incompatible_arguments'):
    code = cmdutil.check_incompatible_arguments.__code__
    if r'others' in code.co_varnames[:code.co_argcount]:
        def check_incompatible_arguments(opts, first, others):
            return cmdutil.check_incompatible_arguments(opts, first, others)
    else:
        # hg <= 5.3 (d4c1501225c4)
        def check_incompatible_arguments(opts, first, others):
            return cmdutil.check_incompatible_arguments(opts, first, *others)
else:
    # hg <= 5.2 (023ad45e2fd2)
    def check_incompatible_arguments(opts, first, others):
        for other in others:
            check_at_most_one_arg(opts, first, other)