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ui: Allow evaluating multi-expressions strings with read/eval.

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This can be useful when evaluating a scheme-file store output for example,
which has multiple top level expressions.

* guix/ui.scm (read/eval): Also accept a port object as argument.  Read and
evaluate all expressions from input port or string.

Change-Id: I0213706fa4824c3a8ffe5d93f44f263048cb62c2
This commit is contained in:
Maxim Cournoyer 2025-05-05 13:30:29 +09:00
parent bc2e923c19
commit 18ed22536d
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2 changed files with 43 additions and 9 deletions
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17
tests/guix-build.sh
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@ -2,6 +2,7 @@
# Copyright © 2012-2014, 2016-2025 Ludovic Courtès <ludo@gnu.org>
# Copyright © 2020 Marius Bakke <mbakke@fastmail.com>
# Copyright © 2021 Chris Marusich <cmmarusich@gmail.com>
# Copyright © 2025 Maxim Cournoyer <maxim.cournoyer@gmail.com>
#
# This file is part of GNU Guix.
#
@ -420,6 +421,22 @@ then
guix build -m <(echo '(specifications->manifest (list "guile"))') -n
fi
# Build a scheme->file object via multiple expressions, and validate it
# produces the correct result when evaluated.
scheme_file=$(guix build -e \
"(use-modules (guix gexp)) \
(scheme-file \"mathematics\" \
'(begin \
(define add +) \
(define multiply *) \
(add 5 (multiply 2 10)))
#:guile (@@ (gnu packages bootstrap) %bootstrap-guile))")
guile -c \
"(begin \
(use-modules (guix ui) (rnrs base) (srfi srfi-26)) \
(assert (= 25 (call-with-input-file \"$scheme_file\" \
(cut read/eval <>)))))"
# Using 'GUIX_BUILD_OPTIONS'.
GUIX_BUILD_OPTIONS="--dry-run --no-grafts"
export GUIX_BUILD_OPTIONS