comparison mercurial/filemerge.py @ 48431:6b1049d71c3e

filemerge: make `_filemerge()` do both premerge and merge

This patch removes the `premerge` argument from `_filemerge()` and
makes it do both the "premerge" and "merge" steps without the caller
having to call it twice.

Differential Revision: https://phab.mercurial-scm.org/D11859

48430:921853391276

            # shouldn't delete.
            if d and uselocalpath:
                util.unlink(d)


def _filemerge(premerge, repo, wctx, mynode, orig, fcd, fco, fca, labels=None):
    """perform a 3-way merge in the working directory

    premerge = whether this is a premerge
    mynode = parent node before merge
    orig = original local filename before merge

    if mergetype == nomerge:
        r, deleted = func(repo, mynode, orig, fcd, fco, fca, toolconf, labels)
        return True, r, deleted

    if premerge:
        if orig != fco.path():
            ui.status(
                _(b"merging %s and %s to %s\n")
                % (uipathfn(orig), uipathfn(fco.path()), fduipath)
            )
        else:
            ui.status(_(b"merging %s\n") % fduipath)

    ui.debug(b"my %s other %s ancestor %s\n" % (fcd, fco, fca))

    if precheck and not precheck(repo, mynode, orig, fcd, fco, fca, toolconf):
        if onfailure:

                    b'in-memory merge does not support merge conflicts'
                )
            ui.warn(onfailure % fduipath)
        return True, 1, False

    back = _makebackup(repo, ui, wctx, fcd, premerge)
    files = (None, None, None, back)
    r = 1
    try:
        internalmarkerstyle = ui.config(b'ui', b'mergemarkers')
        if isexternal:

        if markerstyle != b'basic':
            formattedlabels = _formatlabels(
                repo, fcd, fco, fca, labels, tool=tool
            )

        if premerge and mergetype == fullmerge:
            # conflict markers generated by premerge will use 'detailed'
            # settings if either ui.mergemarkers or the tool's mergemarkers
            # setting is 'detailed'. This way tools can have basic labels in
            # space-constrained areas of the UI, but still get full information
            # in conflict markers if premerge is 'keep' or 'keep-merge3'.

                )

            r = _premerge(
                repo, fcd, fco, fca, toolconf, files, labels=premergelabels
            )
            # complete if premerge successful (r is 0)
            return not r, r, False

        needcheck, r, deleted = func(
            repo,
            mynode,
            orig,

def _workingpath(repo, ctx):
    return repo.wjoin(ctx.path())


def filemerge(repo, wctx, mynode, orig, fcd, fco, fca, labels=None):
    complete, merge_ret, deleted = _filemerge(
        True, repo, wctx, mynode, orig, fcd, fco, fca, labels=labels
    )
    if not complete:
        complete, merge_ret, deleted = _filemerge(
            False, repo, wctx, mynode, orig, fcd, fco, fca, labels=labels
        )
    return complete, merge_ret, deleted


def loadinternalmerge(ui, extname, registrarobj):
    """Load internal merge tool from specified registrarobj"""
    for name, func in pycompat.iteritems(registrarobj._table):

48431:6b1049d71c3e

            # shouldn't delete.
            if d and uselocalpath:
                util.unlink(d)


def _filemerge(repo, wctx, mynode, orig, fcd, fco, fca, labels=None):
    """perform a 3-way merge in the working directory

    premerge = whether this is a premerge
    mynode = parent node before merge
    orig = original local filename before merge

    if mergetype == nomerge:
        r, deleted = func(repo, mynode, orig, fcd, fco, fca, toolconf, labels)
        return True, r, deleted

    if orig != fco.path():
        ui.status(
            _(b"merging %s and %s to %s\n")
            % (uipathfn(orig), uipathfn(fco.path()), fduipath)
        )
    else:
        ui.status(_(b"merging %s\n") % fduipath)

    ui.debug(b"my %s other %s ancestor %s\n" % (fcd, fco, fca))

    if precheck and not precheck(repo, mynode, orig, fcd, fco, fca, toolconf):
        if onfailure:

                    b'in-memory merge does not support merge conflicts'
                )
            ui.warn(onfailure % fduipath)
        return True, 1, False

    back = _makebackup(repo, ui, wctx, fcd, True)
    files = (None, None, None, back)
    r = 1
    try:
        internalmarkerstyle = ui.config(b'ui', b'mergemarkers')
        if isexternal:

        if markerstyle != b'basic':
            formattedlabels = _formatlabels(
                repo, fcd, fco, fca, labels, tool=tool
            )

        if mergetype == fullmerge:
            # conflict markers generated by premerge will use 'detailed'
            # settings if either ui.mergemarkers or the tool's mergemarkers
            # setting is 'detailed'. This way tools can have basic labels in
            # space-constrained areas of the UI, but still get full information
            # in conflict markers if premerge is 'keep' or 'keep-merge3'.

                )

            r = _premerge(
                repo, fcd, fco, fca, toolconf, files, labels=premergelabels
            )
            # we're done if premerge was successful (r is 0)
            if not r:
                return not r, r, False

        needcheck, r, deleted = func(
            repo,
            mynode,
            orig,

def _workingpath(repo, ctx):
    return repo.wjoin(ctx.path())


def filemerge(repo, wctx, mynode, orig, fcd, fco, fca, labels=None):
    return _filemerge(repo, wctx, mynode, orig, fcd, fco, fca, labels=labels)


def loadinternalmerge(ui, extname, registrarobj):
    """Load internal merge tool from specified registrarobj"""
    for name, func in pycompat.iteritems(registrarobj._table):