GNU bug report logs - #51466
guix shell --check reports missing PKG_CONFIG_PATH on Debian bookworm

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From: Maxime Devos <maximedevos <at> telenet.be>
To: bokr <at> bokr.com
Cc: Ludovic Courtès <ludo <at> gnu.org>, Chris Marusich <cmmarusich <at> gmail.com>, 53355 <at> debbugs.gnu.org, 51466 <at> debbugs.gnu.org
Subject: bug#51466: bug#53355: guix shell --check: confusing error message
Date: Sat, 25 Jun 2022 23:04:10 +0200

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bokr <at> bokr.com schreef op za 25-06-2022 om 22:06 [+0200]:
> BTW, IIRC, this can be used to create an invisible file that

Invisible files don't have file names, so they cannot be put in the
tiny shell script:

> +    (format
> +     #f "env >~a || /usr/bin/env >~a || set >~a; \
> +echo GUIX-CHECK-DONE >>~a; exit\n"
> +     temporary-file temporary-file temporary-file temporary-file))

Also, I just noticed that this tiny shell script isn't quoting
anything, so you'll get in trouble if $TMPDIR (or was it $TEMPDIR,
whatever) contains " or ' or \ or whatever.

So to avoid messy and fragile escaping, I'd recommend to work with file
descriptors.

Greetings,
Maxime.

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