comparison mercurial/revset.py @ 34019:205c47e30a93

revset: make match function follow given subset if specified (API)

This should be sensible default since mfunc(subset) is roughly equivalent
to 'subset & mfunc'. The order argument is still there so we can specify
'anyorder' if the order doesn't really matter.

34018:de286200f722

    posttreebuilthook(tree, repo)
    return makematcher(tree)

def makematcher(tree):
    """Create a matcher from an evaluatable tree"""
    def mfunc(repo, subset=None, order=defineorder):
        if subset is None:
            subset = fullreposet(repo)
        return getset(repo, subset, tree, order)
    return mfunc

34019:205c47e30a93

    posttreebuilthook(tree, repo)
    return makematcher(tree)

def makematcher(tree):
    """Create a matcher from an evaluatable tree"""
    def mfunc(repo, subset=None, order=None):
        if order is None:
            if subset is None:
                order = defineorder  # 'x'
            else:
                order = followorder  # 'subset & x'
        if subset is None:
            subset = fullreposet(repo)
        return getset(repo, subset, tree, order)
    return mfunc