Re: [PATCH blktests 1/2] check: allow strict error-checking by "set -e" in test cases

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On Jun 09, 2025 / 10:33, Bart Van Assche wrote:
> On 6/5/25 8:56 PM, Shin'ichiro Kawasaki wrote:
> > In bash script development, it is a good practice to handle errors
> > strictly using "set -e" or "set -o errexit". When this option is
> > enabled, bash exits immediately upon encountering an error. There have
> > been discussions about implementing this strict error-checking mechanism
> > in blktests test cases [1]. Recently, these discussions were revisited,
> > and it has been proposed to enable this strict error-checking for a
> > limited subset of test cases [2].
> > 
> > However, the error-checking does not work as expected, even when each
> > test case does "set -e", because the error-checking has certain
> > exceptions relevant to execution contexts. According to the bash man
> > page, "The shell doe not exit ... part of the test following the if or
> > elif reserved words, ... or if the command's return value is being
> > inverted with !". The blktests test case execution context applies to
> > these exceptions.
> > 
> > To ensure that "set -e" behaves as intended in test cases, avoid the
> > if statements and the return value inversions (!) in the test case
> > execution context.
> 
> Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>

FYI, I applied only this patch. The 2nd patch was dropped.




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