[petsc-dev] test harness: output of actually executed command for V=1 gone?

[Hapla Vaclav]

> On 20 Sep 2019, at 23:18, Scott Kruger <kruger at txcorp.com> wrote:
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> On 9/20/19 2:49 PM, Jed Brown wrote:
>> Hapla  Vaclav via petsc-dev <petsc-dev at mcs.anl.gov> writes:
>>> On 20 Sep 2019, at 19:59, Scott Kruger <kruger at txcorp.com<mailto:kruger at txcorp.com>> wrote:
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>>> On 9/20/19 10:44 AM, Hapla Vaclav via petsc-dev wrote:
>>> I was used to copy the command actually run by test harness, change to example's directory and paste the command (just changing one .. to ., e.g. ../ex1 to ./ex1).
>>> Is this output gone? Bad news. I think there should definitely be an option to quickly reproduce the test run to work on failing tests.
>>> 
>>> I only modified the V=0 option to suppress the TAP 'ok' output.
>>> 
>>> I think you are referring to the 'not ok' now giving the error code instead of the cmd which is now true regardless of V.  This was suggested by others.  I defer to the larger group on what's desired here.
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>>> Note that is sometimes tedious to deduce the whole command line from the test declarations, for example because of multiple args: lines.
>>> 
>>> Personally, I recommend just cd'ing into the test directory and running the scripts by hand.
>>> 
>>> For example:
>>> cd $PETSC_ARCH/tests/ksp/ksp/examples/tests/runex22
>>> cat ksp_ksp_tests-ex22_1.sh
>>> mpiexec  -n 1 ../ex22   > ex22_1.tmp 2> runex22.err
>>> 
>>> OK, this takes a bit more time but does to job.
>> That's yucky.  I think we should have an option to print the command(s)
>> that would be run, one line per expanded {{a b c}}, so we can copy-paste
>> into the terminal with only one step of indirection.
> 
> Ugh.  I'm dealing with bash at this level - not python.
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> Satish and Barry:  Do we need the Error codes or can I revert to previous functionality?

What about triggering the previous behavior only conditionally, e.g. by something like SHOWCMD=1, at least for now?

Of course, in longer term something like Jed suggests would be very welcome.

Vaclav

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> Scott
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