comparison mercurial/templatekw.py @ 37074:2891079fb0c0

templater: factor out function to create mapping dict for nested evaluation

overlaymap() is the hook point to drop mapping items conflicting with the
default keywords which have to be re-evaluated with new 'ctx' resource.

37073:44757e6dad93

    return getlatesttags(context, mapping)[1]

@templatekeyword('changessincelatesttag', requires={'repo', 'ctx', 'cache'})
def showchangessincelatesttag(context, mapping):
    """Integer. All ancestors not in the latest tag."""
    mapping = mapping.copy()
    mapping['tag'] = getlatesttags(context, mapping)[2][0]
    return _showchangessincetag(context, mapping)

def _showchangessincetag(context, mapping):
    repo = context.resource(mapping, 'repo')
    ctx = context.resource(mapping, 'ctx')

    if mnode is None:
        # just avoid crash, we might want to use the 'ff...' hash in future
        return
    mrev = repo.manifestlog._revlog.rev(mnode)
    mhex = hex(mnode)
    mapping = mapping.copy()
    mapping.update({'rev': mrev, 'node': mhex})
    f = context.process('manifest', mapping)
    # TODO: perhaps 'ctx' should be dropped from mapping because manifest
    # rev and node are completely different from changeset's.
    return _mappable(f, None, f, lambda x: {'rev': mrev, 'node': mhex})

37074:2891079fb0c0

    return getlatesttags(context, mapping)[1]

@templatekeyword('changessincelatesttag', requires={'repo', 'ctx', 'cache'})
def showchangessincelatesttag(context, mapping):
    """Integer. All ancestors not in the latest tag."""
    tag = getlatesttags(context, mapping)[2][0]
    mapping = context.overlaymap(mapping, {'tag': tag})
    return _showchangessincetag(context, mapping)

def _showchangessincetag(context, mapping):
    repo = context.resource(mapping, 'repo')
    ctx = context.resource(mapping, 'ctx')

    if mnode is None:
        # just avoid crash, we might want to use the 'ff...' hash in future
        return
    mrev = repo.manifestlog._revlog.rev(mnode)
    mhex = hex(mnode)
    mapping = context.overlaymap(mapping, {'rev': mrev, 'node': mhex})
    f = context.process('manifest', mapping)
    # TODO: perhaps 'ctx' should be dropped from mapping because manifest
    # rev and node are completely different from changeset's.
    return _mappable(f, None, f, lambda x: {'rev': mrev, 'node': mhex})