comparison mercurial/hgweb/webutil.py @ 19094:fc1b77db123f stable

hgweb: handle filtered "0" rev in navigation

Before this changeset, navigation generation crashed if revision "0" was
filtered. We introduce a `_first` methods on revision navigation that return the
lowest unfiltered element and use it in two place were the "0" changeset was
explicitly referenced.

Test case are introduced.

19093:6f27efc7db23

        # used for hex generation
        self._revlog = repo.changelog

    def __nonzero__(self):
        """return True if any revision to navigate over"""
        return bool(len(self._revlog))

    def hex(self, rev):
        return hex(self._revlog.node(rev))

    def gen(self, pos, pagelen, limit):

                break
            targets.append(pos + f)
            targets.append(pos - f)
        targets.sort()

        navbefore = [("(0)", self.hex(0))]
        navafter = []
        for rev in targets:
            if rev not in self._revlog:
                continue
            if pos < rev < limit:

19094:fc1b77db123f

        # used for hex generation
        self._revlog = repo.changelog

    def __nonzero__(self):
        """return True if any revision to navigate over"""
        return self._first() is not None

    def _first(self):
        """return the minimum non-filtered changeset or None"""
        try:
            return iter(self._revlog).next()
        except StopIteration:
            return None

    def hex(self, rev):
        return hex(self._revlog.node(rev))

    def gen(self, pos, pagelen, limit):

                break
            targets.append(pos + f)
            targets.append(pos - f)
        targets.sort()

        first = self._first()
        navbefore = [("(%i)" % first, self.hex(first))]
        navafter = []
        for rev in targets:
            if rev not in self._revlog:
                continue
            if pos < rev < limit: