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bug#36079: unhelpful error message
From: |
Robert Vollmert |
Subject: |
bug#36079: unhelpful error message |
Date: |
Mon, 3 Jun 2019 22:42:09 +0200 |
Working on Guix, I encountered the following:
Within a guix checkout, I edited gnu/packages/haskell.scm, accidentally
making a Haskell comment:
(arguments
`(#:tests? #f)) -- sporadic failure:
https://github.com/fpco/streaming-commons/issues/49
Then I tried to keep working on my in-development package, and was able to trace
the `guix build` error back to the following:
$ ./pre-inst-env guild compile ../modules/postgrest.scm
;;; note: source file /home/rob/guix/gnu/packages/haskell.scm
;;; newer than compiled /home/rob/guix/gnu/packages/haskell.go
;;; note: source file /home/rob/guix/gnu/packages/haskell.scm
;;; newer than compiled
/run/current-system/profile/lib/guile/2.2/site-ccache/gnu/packages/haskell.go
ice-9/boot-9.scm:752:25: In procedure dispatch-exception:
Syntax error:
unknown location: package: invalid field specifier in form —-
There are number of ways the error output could be improved. Ideally, I’d
like to see the offending line of gnu/packages/haskell.scm pin-pointed,
and/or the start of the enclosing package definition. But if that’s maybe
difficult due to macro expansion issues, at least knowing which file failed
to compile would be great. gnu/packages/haskell.scm does fail to compile
by itself:
$ guild compile gnu/packages/haskell.scm
ice-9/boot-9.scm:752:25: In procedure dispatch-exception:
Syntax error:
unknown location: package: invalid field specifier in form —-
This is on a pretty up to date Guix install.
$ guild --version
guild (GNU Guile) 2.2.4
- bug#36079: unhelpful error message,
Robert Vollmert <=