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print chosen seed when building with -seed=random #713

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merged 1 commit into from
Apr 9, 2023

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@mvdan mvdan commented Apr 9, 2023

(see commit message)

Fixes #696.

The seedFlag.random field had never worked,
as my refactor in December 2021 never set it to true.

Even if the boolean was working, we only printed the random seed
when we failed. It's still useful to see it when a build succeeds,
for example when wanting to reproduce the same binary
or when wanting to reverse a panic from the produced binary.

Add a test this time.

Fixes burrowers#696.
@mvdan mvdan merged commit d1da066 into burrowers:master Apr 9, 2023
@mvdan mvdan deleted the seed-random-print branch April 9, 2023 20:27
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How to reverse a stack trace of a executable file that was built with -seed=random?
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