Gracefully handle errors from before() and after(). #45
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See the comments for a fuller explanation of the changes. This should obsolete bmizerany#23 (though the test cases from it should still be merged). This should fix bmizerany#29 . This should fix bmizerany#44 .
Fix multiple invocation of the `before` function and `before` tracing
1. The `before` function had been called twice, once with proper tracing and error
output redirection and once directly. This is fixed now.
2. The result output was moved out of the inner subshell. This is necessary
because: in case the `before` function has an error, roundup's error trap is
triggered and the inner subshell is left. Still, we need a proper result ouput.
3. A test case with a broken `before` function was added which gives
the following output:
roundup before trace
it_works: [FAIL]
+ false
exit code 1
for the following before function:
before () {
false
}
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This is written to fix issue #44 , though it also fixes issue #29 , and subsumes PR #23.