let run-tests run optional code coverage tests. to enable, set env var TEST_COVERAGE to non-empty string. run-tests will print report after running. after coverage run, file tests/.coverage will contain coverage data. use tests/coverage.py to get more info, like annotated source code.

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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 -A -m a

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hg clone a b

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echo b > b/b

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hg --cwd b ci -A -m b

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chmod 100 a/.hg

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hg --cwd b push ../a

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chmod 700 a/.hg