mercurial/context.py

27063:37e1fdcb271c

    def p1(self):
        return self._parents[0]

    def p2(self):
        if len(self._parents) == 2:
            return self._parents[1]
        return changectx(self._repo, -1)

    def _fileinfo(self, path):
        if '_manifest' in self.__dict__:
            try:
                return self._manifest[path], self._manifest.flags(path)

    def _buildflagfunc(self):
        # Create a fallback function for getting file flags when the
        # filesystem doesn't support them

        copiesget = self._repo.dirstate.copies().get

        if len(self._parents) < 2:
            # when we have one parent, it's easy: copy from parent
            man = self._parents[0].manifest()
            def func(f):
                f = copiesget(f, f)
                return man.flags(f)
        else:
            # merges are tricky: we try to reconstruct the unstored
            # result from the merge (issue1802)
            p1, p2 = self._parents
            pa = p1.ancestor(p2)
            m1, m2, ma = p1.manifest(), p2.manifest(), pa.manifest()

            def func(f):
                f = copiesget(f, f) # may be wrong for merges with copies

        This reuse the file nodeid from parent, but we append an extra letter
        when modified. Modified files get an extra 'm' while added files get
        an extra 'a'. This is used by manifests merge to see that files
        are different and by update logic to avoid deleting newly added files.
        """

        man1 = self._parents[0].manifest()
        man = man1.copy()
        if len(self._parents) > 1:
            man2 = self.p2().manifest()
            def getman(f):
                if f in man1:
                    return man1
                return man2

27064:a29db426c5ba

    def p1(self):
        return self._parents[0]

    def p2(self):
        parents = self._parents
        if len(parents) == 2:
            return parents[1]
        return changectx(self._repo, nullrev)

    def _fileinfo(self, path):
        if '_manifest' in self.__dict__:
            try:
                return self._manifest[path], self._manifest.flags(path)

    def _buildflagfunc(self):
        # Create a fallback function for getting file flags when the
        # filesystem doesn't support them

        copiesget = self._repo.dirstate.copies().get
        parents = self.parents()
        if len(parents) < 2:
            # when we have one parent, it's easy: copy from parent
            man = parents[0].manifest()
            def func(f):
                f = copiesget(f, f)
                return man.flags(f)
        else:
            # merges are tricky: we try to reconstruct the unstored
            # result from the merge (issue1802)
            p1, p2 = parents
            pa = p1.ancestor(p2)
            m1, m2, ma = p1.manifest(), p2.manifest(), pa.manifest()

            def func(f):
                f = copiesget(f, f) # may be wrong for merges with copies

        This reuse the file nodeid from parent, but we append an extra letter
        when modified. Modified files get an extra 'm' while added files get
        an extra 'a'. This is used by manifests merge to see that files
        are different and by update logic to avoid deleting newly added files.
        """
        parents = self.parents()

        man1 = parents[0].manifest()
        man = man1.copy()
        if len(parents) > 1:
            man2 = self.p2().manifest()
            def getman(f):
                if f in man1:
                    return man1
                return man2