save settings from untrusted config files in a separate configparser This untrusted configparser is a superset of the trusted configparser, so that interpolation still works. Also add an "untrusted" argument to ui.config* to allow querying ui.ucdata. With --debug, we print a warning when we read an untrusted config file, and when we try to access a trusted setting that has one value in the trusted configparser and another in the untrusted configparser.

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#!/bin/sh

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hg init t

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cd t

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hg branches

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echo foo > a

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hg add a

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hg ci -m "initial" -d "0 0"

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hg branch foo

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hg branch

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hg ci -m "add branch name" -d "0 0"

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hg branch bar

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hg ci -m "change branch name" -d "0 0"

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hg branch ""

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hg ci -m "clear branch name" -d "0 0"

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hg co foo

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hg branch

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echo bleah > a

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hg ci -m "modify a branch" -d "0 0"

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hg merge

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hg branch

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HG_MERGE=true hg ci -m "merge" -d "0 0"

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hg log

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hg branches

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hg branches -q

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echo % test for invalid branch cache

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hg rollback

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hg tip