comparison mercurial/metadata.py @ 45623:d31483377673

changing-files: cache the various property

We are going to start using them more having some basic caching would be good.
The focus is not about performance yet, however avoid some easy N² trap seems
reasonable.

Differential Revision: https://phab.mercurial-scm.org/D9112

45622:42bb6c4f8106

            and self.touched == other.touched
            and self.copied_from_p1 == other.copied_from_p1
            and self.copied_from_p2 == other.copied_from_p2
        )

    @property
    def added(self):
        """files actively added in the changeset

        Any file present in that revision that was absent in all the changeset's
        parents.

        added by an ancestor)
        """
        return frozenset(self._added)

    def mark_added(self, filename):
        self._added.add(filename)
        self.mark_touched(filename)

    def update_added(self, filenames):
        for f in filenames:
            self.mark_added(f)

    @property
    def merged(self):
        """files actively merged during a merge

        Any modified files which had modification on both size that needed merging.

        In this case a new filenode was created and it has two parents.
        """
        return frozenset(self._merged)

    def mark_merged(self, filename):
        self._merged.add(filename)
        self.mark_touched(filename)

    def update_merged(self, filenames):
        for f in filenames:
            self.mark_merged(f)

    @property
    def removed(self):
        """files actively removed by the changeset

        In case of merge this will only contain the set of files removing "new"
        content. For any file absent in the current changeset:

         (d) |       one         |  new filenode ||   yes
        """
        return frozenset(self._removed)

    def mark_removed(self, filename):
        self._removed.add(filename)
        self.mark_touched(filename)

    def update_removed(self, filenames):
        for f in filenames:
            self.mark_removed(f)

    @property
    def touched(self):
        """files either actively modified, added or removed"""
        return frozenset(self._touched)

    def mark_touched(self, filename):
        self._touched.add(filename)

    def update_touched(self, filenames):
        for f in filenames:
            self.mark_touched(f)

    @property
    def copied_from_p1(self):
        return self._p1_copies.copy()

    def mark_copied_from_p1(self, source, dest):
        self._p1_copies[dest] = source

    def update_copies_from_p1(self, copies):
        for dest, source in copies.items():
            self.mark_copied_from_p1(source, dest)

    @property
    def copied_from_p2(self):
        return self._p2_copies.copy()

    def mark_copied_from_p2(self, source, dest):
        self._p2_copies[dest] = source

    def update_copies_from_p2(self, copies):
        for dest, source in copies.items():
            self.mark_copied_from_p2(source, dest)

45623:d31483377673

            and self.touched == other.touched
            and self.copied_from_p1 == other.copied_from_p1
            and self.copied_from_p2 == other.copied_from_p2
        )

    @util.propertycache
    def added(self):
        """files actively added in the changeset

        Any file present in that revision that was absent in all the changeset's
        parents.

        added by an ancestor)
        """
        return frozenset(self._added)

    def mark_added(self, filename):
        if 'added' in vars(self):
            del self.added
        self._added.add(filename)
        self.mark_touched(filename)

    def update_added(self, filenames):
        for f in filenames:
            self.mark_added(f)

    @util.propertycache
    def merged(self):
        """files actively merged during a merge

        Any modified files which had modification on both size that needed merging.

        In this case a new filenode was created and it has two parents.
        """
        return frozenset(self._merged)

    def mark_merged(self, filename):
        if 'merged' in vars(self):
            del self.merged
        self._merged.add(filename)
        self.mark_touched(filename)

    def update_merged(self, filenames):
        for f in filenames:
            self.mark_merged(f)

    @util.propertycache
    def removed(self):
        """files actively removed by the changeset

        In case of merge this will only contain the set of files removing "new"
        content. For any file absent in the current changeset:

         (d) |       one         |  new filenode ||   yes
        """
        return frozenset(self._removed)

    def mark_removed(self, filename):
        if 'removed' in vars(self):
            del self.removed
        self._removed.add(filename)
        self.mark_touched(filename)

    def update_removed(self, filenames):
        for f in filenames:
            self.mark_removed(f)

    @util.propertycache
    def touched(self):
        """files either actively modified, added or removed"""
        return frozenset(self._touched)

    def mark_touched(self, filename):
        if 'touched' in vars(self):
            del self.touched
        self._touched.add(filename)

    def update_touched(self, filenames):
        for f in filenames:
            self.mark_touched(f)

    @util.propertycache
    def copied_from_p1(self):
        return self._p1_copies.copy()

    def mark_copied_from_p1(self, source, dest):
        if 'copied_from_p1' in vars(self):
            del self.copied_from_p1
        self._p1_copies[dest] = source

    def update_copies_from_p1(self, copies):
        for dest, source in copies.items():
            self.mark_copied_from_p1(source, dest)

    @util.propertycache
    def copied_from_p2(self):
        return self._p2_copies.copy()

    def mark_copied_from_p2(self, source, dest):
        if 'copied_from_p2' in vars(self):
            del self.copied_from_p2
        self._p2_copies[dest] = source

    def update_copies_from_p2(self, copies):
        for dest, source in copies.items():
            self.mark_copied_from_p2(source, dest)