tests/test-empty

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.

#!/bin/sh

hg init
hg log
hg grep wah
hg manifest
hg verify