comparison mercurial/merge.py @ 20897:0b50788c160c

merge: use ancestor filename from planning phase instead of filectx ancestor

test-merge-types.t changes a bit in flag merging. It relied on the
implementation detail that 100% identical revlog entries are reused. The revlog
reuse did that fctx.ancestor() saw an ancestor where there really not was one.

20896:9fae01831dea

        f2, fd, flags = args
        if f:
            pmmf.discard(f)
        pmmf.add(fd)
    def mergeop(f, args):
        f2, fd, move = args
        if move:
            pmmf.discard(f)
        pmmf.add(fd)

    opmap = {

            elif nol and n2 == a: # remote only changed 'x'
                actions.append((f, "e", (fl2,), "update permissions"))
            elif nol and n1 == a: # local only changed 'x'
                actions.append((f, "g", (fl1,), "remote is newer"))
            else: # both changed something
                actions.append((f, "m", (f, f, False), "versions differ"))
        elif f in copied: # files we'll deal with on m2 side
            pass
        elif n1 and f in movewithdir: # directory rename
            f2 = movewithdir[f]
            actions.append((f, "d", (None, f2, fl1),
                            "remote renamed directory to " + f2))
        elif n1 and f in copy:
            f2 = copy[f]
            actions.append((f, "m", (f2, f, False),
                            "local copied/moved to " + f2))
        elif n1 and f in ma: # clean, a different, no remote
            if n1 != ma[f]:
                if acceptremote:
                    actions.append((f, "r", None, "remote delete"))

            actions.append((None, "d", (f, f2, fl2),
                            "local renamed directory to " + f2))
        elif n2 and f in copy:
            f2 = copy[f]
            if f2 in m2:
                actions.append((f2, "m", (f, f, False),
                                "remote copied to " + f))
            else:
                actions.append((f2, "m", (f, f, True),
                                "remote moved to " + f))
        elif n2 and f not in ma:
            # local unknown, remote created: the logic is described by the
            # following table:
            #

            if force and not branchmerge:
                actions.append((f, "g", (fl2,), "remote created"))
            else:
                different = _checkunknownfile(repo, wctx, p2, f)
                if force and branchmerge and different:
                    actions.append((f, "m", (f, f, False),
                                    "remote differs from untracked local"))
                elif not force and different:
                    aborts.append((f, "ud"))
                else:
                    actions.append((f, "g", (fl2,), "remote created"))

    # prescan for merges
    for a in actions:
        f, m, args, msg = a
        repo.ui.debug(" %s: %s -> %s\n" % (f, msg, m))
        if m == "m": # merge
            f2, fd, move = args
            if fd == '.hgsubstate': # merged internally
                continue
            repo.ui.debug("  preserving %s for resolve of %s\n" % (f, fd))
            fcl = wctx[f]
            fco = mctx[f2]
            if mctx == actx: # backwards, use working dir parent as ancestor
                if fcl.parents():
                    fca = fcl.p1()
                else:
                    fca = repo.filectx(f, fileid=nullrev)
            else:
                fca = fcl.ancestor(fco, actx)
            if not fca:
                fca = repo.filectx(f, fileid=nullrev)
            ms.add(fcl, fco, fca, fd)
            if f != fd and move:
                moves.append(f)

    for i, a in enumerate(actions):
        f, m, args, msg = a
        progress(_updating, z + i + 1, item=f, total=numupdates, unit=_files)
        if m == "m": # merge
            f2, fd, move = args
            if fd == '.hgsubstate': # subrepo states need updating
                subrepo.submerge(repo, wctx, mctx, wctx.ancestor(mctx),
                                 overwrite)
                continue
            audit(fd)

            if branchmerge:
                repo.dirstate.otherparent(f)
            else:
                repo.dirstate.normal(f)
        elif m == "m": # merge
            f2, fd, move = args
            if branchmerge:
                # We've done a branch merge, mark this file as merged
                # so that we properly record the merger later
                repo.dirstate.merge(fd)
                if f != f2: # copy/rename

20897:0b50788c160c

        f2, fd, flags = args
        if f:
            pmmf.discard(f)
        pmmf.add(fd)
    def mergeop(f, args):
        f2, fa, fd, move = args
        if move:
            pmmf.discard(f)
        pmmf.add(fd)

    opmap = {

            elif nol and n2 == a: # remote only changed 'x'
                actions.append((f, "e", (fl2,), "update permissions"))
            elif nol and n1 == a: # local only changed 'x'
                actions.append((f, "g", (fl1,), "remote is newer"))
            else: # both changed something
                actions.append((f, "m", (f, fa, f, False), "versions differ"))
        elif f in copied: # files we'll deal with on m2 side
            pass
        elif n1 and f in movewithdir: # directory rename
            f2 = movewithdir[f]
            actions.append((f, "d", (None, f2, fl1),
                            "remote renamed directory to " + f2))
        elif n1 and f in copy:
            f2 = copy[f]
            actions.append((f, "m", (f2, f2, f, False),
                            "local copied/moved to " + f2))
        elif n1 and f in ma: # clean, a different, no remote
            if n1 != ma[f]:
                if acceptremote:
                    actions.append((f, "r", None, "remote delete"))

            actions.append((None, "d", (f, f2, fl2),
                            "local renamed directory to " + f2))
        elif n2 and f in copy:
            f2 = copy[f]
            if f2 in m2:
                actions.append((f2, "m", (f, f2, f, False),
                                "remote copied to " + f))
            else:
                actions.append((f2, "m", (f, f2, f, True),
                                "remote moved to " + f))
        elif n2 and f not in ma:
            # local unknown, remote created: the logic is described by the
            # following table:
            #

            if force and not branchmerge:
                actions.append((f, "g", (fl2,), "remote created"))
            else:
                different = _checkunknownfile(repo, wctx, p2, f)
                if force and branchmerge and different:
                    # FIXME: This is wrong - f is not in ma ...
                    actions.append((f, "m", (f, f, f, False),
                                    "remote differs from untracked local"))
                elif not force and different:
                    aborts.append((f, "ud"))
                else:
                    actions.append((f, "g", (fl2,), "remote created"))

    # prescan for merges
    for a in actions:
        f, m, args, msg = a
        repo.ui.debug(" %s: %s -> %s\n" % (f, msg, m))
        if m == "m": # merge
            f2, fa, fd, move = args
            if fd == '.hgsubstate': # merged internally
                continue
            repo.ui.debug("  preserving %s for resolve of %s\n" % (f, fd))
            fcl = wctx[f]
            fco = mctx[f2]
            if mctx == actx: # backwards, use working dir parent as ancestor
                if fcl.parents():
                    fca = fcl.p1()
                else:
                    fca = repo.filectx(f, fileid=nullrev)
            elif fa in actx:
                fca = actx[fa]
            else:
                fca = repo.filectx(f, fileid=nullrev)
            ms.add(fcl, fco, fca, fd)
            if f != fd and move:
                moves.append(f)

    for i, a in enumerate(actions):
        f, m, args, msg = a
        progress(_updating, z + i + 1, item=f, total=numupdates, unit=_files)
        if m == "m": # merge
            f2, fa, fd, move = args
            if fd == '.hgsubstate': # subrepo states need updating
                subrepo.submerge(repo, wctx, mctx, wctx.ancestor(mctx),
                                 overwrite)
                continue
            audit(fd)

            if branchmerge:
                repo.dirstate.otherparent(f)
            else:
                repo.dirstate.normal(f)
        elif m == "m": # merge
            f2, fa, fd, move = args
            if branchmerge:
                # We've done a branch merge, mark this file as merged
                # so that we properly record the merger later
                repo.dirstate.merge(fd)
                if f != f2: # copy/rename