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ui: 'load*' correctly reports 'read-error' in all cases. 

Previously, 'read-error' exceptions other than "missing closing paren"
would not be reported; instead, we'd directly call (exit 1) without
printing anything.

Fixes <https://issues.guix.gnu.org/51463>.
Reported by Alice BRENON <alice.brenon@ens-lyon.fr>.

* guix/ui.scm (report-load-error): Report the error without re-throwing
upon 'read-error'.
* tests/guix-build.sh: Add test.
This commit is contained in:
Ludovic Courtès 2021-11-07 15:56:19 +01:00
parent dab2ac2ed5
commit 4d59596a1c
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2 changed files with 13 additions and 2 deletions
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3
guix/ui.scm
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@ -377,7 +377,8 @@ ARGS is the list of arguments received by the 'throw' handler."
(+ 2 (string-contains message ": ")))))
(format (current-error-port) (G_ "~amissing closing parenthesis~%")
location))
(apply throw args)))
(report-error (G_ "read error while loading '~a': ~a~%")
file (apply format #f message args))))
(('syntax-error proc message properties form subform . rest)
(let ((loc (source-properties->location properties)))
(report-error loc (G_ "~s: ~a~%")

12
tests/guix-build.sh
View File

@ -1,5 +1,5 @@
# GNU Guix --- Functional package management for GNU
# Copyright © 2012, 2013, 2014, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
# Copyright © 2012, 2013, 2014, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
# Copyright © 2020 Marius Bakke <mbakke@fastmail.com>
# Copyright © 2021 Chris Marusich <cmmarusich@gmail.com>
#
@ -77,6 +77,16 @@ module_dir="t-guix-build-$$"
mkdir "$module_dir"
trap "rm -rf $module_dir" EXIT
# Check error reporting for '-f'.
cat > "$module_dir/foo.scm" <<EOF
(use-modules (guix))
) ;extra closing paren
EOF
! guix build -f "$module_dir/foo.scm" 2> "$module_dir/stderr"
grep "read error" "$module_dir/stderr"
rm "$module_dir/stderr" "$module_dir/foo.scm"
# Check 'GUIX_PACKAGE_PATH' & co.
cat > "$module_dir/foo.scm"<<EOF
(define-module (foo)
#:use-module (guix tests)