comparison mercurial/manifest.py @ 29940:fa145a205a7f

manifest: move revlog specific options from manifest to manifestrevlog

The manifestv2 and treeondisk options are specific to how we serialize the
manifest into revlogs, so let's move them onto the manifestrevlog class. This
will allow us to add a manifestlog.add() function in a future diff that will
rely on manifestrevlog to make decisions about how to serialize the given
manifest to disk.

We have to move a little bit of extra logic about the 'dir' as well, since it is
used in conjunction with the treeondisk option to decide the revlog file name.
It's probably good to move this down to the manifestrevlog class anyway, since
it's specific to the revlog.

29939:80be4436e4cc

class manifestrevlog(revlog.revlog):
    '''A revlog that stores manifest texts. This is responsible for caching the
    full-text manifest contents.
    '''
    def __init__(self, opener, indexfile):
        super(manifestrevlog, self).__init__(opener, indexfile)

        # During normal operations, we expect to deal with not more than four
        # revs at a time (such as during commit --amend). When rebasing large
        # stacks of commits, the number can go up, hence the config knob below.
        cachesize = 4
        opts = getattr(opener, 'options', None)
        if opts is not None:
            cachesize = opts.get('manifestcachesize', cachesize)
        self._fulltextcache = util.lrucachedict(cachesize)

    @property
    def fulltextcache(self):
        return self._fulltextcache

        # During normal operations, we expect to deal with not more than four
        # revs at a time (such as during commit --amend). When rebasing large
        # stacks of commits, the number can go up, hence the config knob below.
        cachesize = 4
        usetreemanifest = False
        usemanifestv2 = False
        opts = getattr(opener, 'options', None)
        if opts is not None:
            cachesize = opts.get('manifestcachesize', cachesize)
            usetreemanifest = opts.get('treemanifest', usetreemanifest)
            usemanifestv2 = opts.get('manifestv2', usemanifestv2)
        self._mancache = util.lrucachedict(cachesize)
        self._treeinmem = usetreemanifest
        self._treeondisk = usetreemanifest
        self._usemanifestv2 = usemanifestv2
        indexfile = "00manifest.i"
        if dir:
            assert self._treeondisk, 'opts is %r' % opts
            if not dir.endswith('/'):
                dir = dir + '/'
            indexfile = "meta/" + dir + "00manifest.i"
        super(manifest, self).__init__(opener, indexfile)
        self._dir = dir
        # The dirlogcache is kept on the root manifest log
        if dir:
            self._dirlogcache = dirlogcache
        else:
            self._dirlogcache = {'': self}

29940:fa145a205a7f

class manifestrevlog(revlog.revlog):
    '''A revlog that stores manifest texts. This is responsible for caching the
    full-text manifest contents.
    '''
    def __init__(self, opener, dir=''):
        # During normal operations, we expect to deal with not more than four
        # revs at a time (such as during commit --amend). When rebasing large
        # stacks of commits, the number can go up, hence the config knob below.
        cachesize = 4
        usetreemanifest = False
        usemanifestv2 = False
        opts = getattr(opener, 'options', None)
        if opts is not None:
            cachesize = opts.get('manifestcachesize', cachesize)
            usetreemanifest = opts.get('treemanifest', usetreemanifest)
            usemanifestv2 = opts.get('manifestv2', usemanifestv2)

        self._treeondisk = usetreemanifest
        self._usemanifestv2 = usemanifestv2

        self._fulltextcache = util.lrucachedict(cachesize)

        indexfile = "00manifest.i"
        if dir:
            assert self._treeondisk, 'opts is %r' % opts
            if not dir.endswith('/'):
                dir = dir + '/'
            indexfile = "meta/" + dir + "00manifest.i"
        self._dir = dir

        super(manifestrevlog, self).__init__(opener, indexfile)

    @property
    def fulltextcache(self):
        return self._fulltextcache

        # During normal operations, we expect to deal with not more than four
        # revs at a time (such as during commit --amend). When rebasing large
        # stacks of commits, the number can go up, hence the config knob below.
        cachesize = 4
        usetreemanifest = False
        opts = getattr(opener, 'options', None)
        if opts is not None:
            cachesize = opts.get('manifestcachesize', cachesize)
            usetreemanifest = opts.get('treemanifest', usetreemanifest)
        self._mancache = util.lrucachedict(cachesize)
        self._treeinmem = usetreemanifest
        super(manifest, self).__init__(opener, dir=dir)
        # The dirlogcache is kept on the root manifest log
        if dir:
            self._dirlogcache = dirlogcache
        else:
            self._dirlogcache = {'': self}