[bug#50238] [PATCH] build-self: Try printing nicer error messages.

[Maxime Devos]

zimoun schreef op di 08-03-2022 om 20:22 [+0100]:
> Well, I am unsure about the addition of '(guix ui)' and by
> 'with-error-handlng' in 'build-program'.  However, maybe the exception
> handling could happen in the 'build' part.  WDYT?

Keep in mind that the result of the '(build-program ...)' is a program
that will be invoked as a separate program.  Exceptions do not
propagate accross process boundaries,  so 'build' cannot catch the
exceptions happening inside, so 'build' cannot catch the exceptions
happening inside 'build-program'.  Hence, the error handling bits need
to be inside the 'compute-guix-derivation'.

Greetings,
Maxime.

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