[issue3240] revset aliases cannot refer to other aliases

[Simon King]

New submission from Simon King <simon at simonking.org.uk>:

The documentation for revset aliases implies that they can refer to other 
aliases:

    New predicates (known as "aliases") can be defined, using
    any combination of existing predicates or other aliases

...but this doesn't appear to work in 2.1 (0620421044a2):

$ ./hg showconfig revsetalias
revsetalias.baseline=last(ancestors(.) and tagged())
revsetalias.sincebaseline=baseline::

$ ./hg log -r baseline
changeset:   16051:2aa5b51f310f
branch:      stable
tag:         2.1
user:        Matt Mackall <mpm at selenic.com>
date:        Wed Feb 01 14:17:26 2012 -0600
summary:     phases: don't complain if cset is already public on pushkey 
(issue3230)

$ ./hg log -r sincebaseline
abort: unknown revision 'baseline'!

----------
messages: 18921
nosy: simonk
priority: bug
status: unread
title: revset aliases cannot refer to other aliases
topic: revset

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Mercurial issue tracker <bugs at mercurial.selenic.com>
<http://mercurial.selenic.com/bts/issue3240>
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