Add dirstate.pathto and localrepo.pathto.
Every time util.pathto is called, we have to pass the repo root and the
repo cwd.
dirstate.pathto is a simple convenience function that knows about the
root and the cwd arguments. It's still possible to pass the cwd as an
optimization.
localrepo.pathto is a convenience function that just calls
dirstate.pathto, just like localrepo.getcwd.
dirstate.pathto becomes a single point that converts most (all?) paths
from the internal representation to some OS-specific relative path for
display purposes.
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<a class="title" href="{url}rev/#node|short#{sessionvars%urlparameter}"><span class="age">#date|age# ago</span>#desc|strip|firstline|escape#</a>
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<a href="{url}rev/#node|short#{sessionvars%urlparameter}">changeset</a><br/>
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<i>#author|obfuscate# [#date|rfc822date#] rev #rev#</i><br/>
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#desc|strip|escape|addbreaks#
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