mercurial/branchmap.py

24158:d414c28db84d

    branch and the last bit indicate that it is a branch close commit.
    The usage pattern for rbc-revs is thus somewhat similar to 00changelog.i
    and will grow with it but be 1/8th of its size.
    """

    def __init__(self, repo):
        assert repo.filtername is None
        self._names = [] # branch names in local encoding with static index
        self._rbcrevs = array('c') # structs of type _rbcrecfmt
        self._rbcsnameslen = 0
        try:

            self._rbcsnameslen = len(bndata) # for verification before writing
            self._names = [encoding.tolocal(bn) for bn in bndata.split('\0')]
        except (IOError, OSError), inst:
            repo.ui.debug("couldn't read revision branch cache names: %s\n" %
                          inst)
        if self._names:
            try:
                data = repo.vfs.read(_rbcrevs)
                self._rbcrevs.fromstring(data)
            except (IOError, OSError), inst:

24159:5b4ed033390b

    branch and the last bit indicate that it is a branch close commit.
    The usage pattern for rbc-revs is thus somewhat similar to 00changelog.i
    and will grow with it but be 1/8th of its size.
    """

    def __init__(self, repo, readonly=True):
        assert repo.filtername is None
        self._names = [] # branch names in local encoding with static index
        self._rbcrevs = array('c') # structs of type _rbcrecfmt
        self._rbcsnameslen = 0
        try:

            self._rbcsnameslen = len(bndata) # for verification before writing
            self._names = [encoding.tolocal(bn) for bn in bndata.split('\0')]
        except (IOError, OSError), inst:
            repo.ui.debug("couldn't read revision branch cache names: %s\n" %
                          inst)
            if readonly:
                # don't try to use cache - fall back to the slow path
                self.branchinfo = self._branchinfo

        if self._names:
            try:
                data = repo.vfs.read(_rbcrevs)
                self._rbcrevs.fromstring(data)
            except (IOError, OSError), inst: