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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#!/bin/sh

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hg init a

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cd a

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echo bar > foo

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hg add foo

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hg ci -m 'add foo' -d '1000000 0'

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echo foobar > foo

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hg ci -m 'change foo' -d '1000001 0'

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echo 'quiet:'

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hg --quiet diff -r 0 -r 1

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echo

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echo 'normal:'

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hg diff -r 0 -r 1

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echo

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echo 'verbose:'

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hg --verbose diff -r 0 -r 1

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echo

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echo 'debug:'

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hg --debug diff -r 0 -r 1

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echo