Add symlink method to util.opener. Differences from os.symlink: - the symlink name is relative to the opener base directory - if a file with that name already exists, it's removed - if necessary, parent directories are created - if the system (OS or filesystem) doesn't support symlinks, a regular file is created. Its contents are the symlink target.

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#!/bin/sh

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hg init a

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echo a > a/a

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hg --cwd a ci -Ama

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hg clone a c

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hg clone a b

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echo b >> b/a

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hg --cwd b ci -mb

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echo % push should push to default when default-push not set

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hg --cwd b push | sed 's/pushing to.*/pushing/'

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echo % push should push to default-push when set

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echo 'default-push = ../c' >> b/.hg/hgrc

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hg --cwd b push | sed 's/pushing to.*/pushing/'