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-*- mode: org; coding: utf-8; -*-

#+TITLE: Hacking GNU Guix and Its Incredible Distro

Copyright © 2012, 2013, 2014, 2016, 2017, 2019 Ludovic Courtès <ludo@gnu.org>
Copyright © 2015, 2017 Mathieu Lirzin <mthl@gnu.org>
Copyright © 2017 Leo Famulari <leo@famulari.name>
Copyright © 2017 Arun Isaac <arunisaac@systemreboot.net>

  Copying and distribution of this file, with or without modification,
  are permitted in any medium without royalty provided the copyright
  notice and this notice are preserved.

* Contributing

See the manual for useful hacking information, either by running

  info -f doc/guix.info "Contributing"

or by checking the [[https://guix.gnu.org/manual/devel/en/html_node/Contributing.html][web copy of the manual]].
generated by cgit
for 'gexp-input-error?'. Ludovic Courtès 2017-03-16gexp: Add '=>' syntax to import computed modules....* guix/gexp.scm (imported-files)[file-pair]: Add case for pairs where the cdr is not a string. (imported-modules): Support '=>' syntax in MODULES. * tests/gexp.scm ("imported-files with file-like objects") ("gexp->derivation & with-imported-module & computed module"): New tests. * doc/guix.texi (G-Expressions): Document '=>' syntax for 'with-imported-modules'. Ludovic Courtès 2017-01-01gexp: Support 'ungexp' forms in improper lists....* guix/gexp.scm (gexp)[collect-escapes, substitute-references]: Replace the (exp0 exp ...) patterns with (exp0 . exp) to match improper lists. Adjust clause bodies accordingly. * tests/gexp.scm ("one input package, dotted list"): New test. Ludovic Courtès 2016-12-19gexp: Native inputs of nested gexps are properly accounted for....Previously, 'gexp-native-inputs' would not return the native inputs of nested gexps. For example, this: (gexp-native-inputs #~(foo #$#~(bar #+coreutils))) would return '(). * guix/gexp.scm (gexp-inputs)[add-reference-inputs]: In the non-recursive cases, check whether N? and NATIVE? are the same, and act accordingly. [native-input?]: Remove. Fold over all of (gexp-references exp). * tests/gexp.scm ("ungexp + ungexp-native, nested, special mixture"): New test. * tests/gexp.scm ("input list splicing + ungexp-native-splicing"): Pass #:native? #t to 'gexp-input'. Ludovic Courtès 2016-11-19store: Add 'references*'....* guix/store.scm (references*): New procedure. * guix/profiles.scm (manifest-lookup-package)[references*]: Remove. * guix/scripts/system.scm (references*): Remove. * tests/gexp.scm ("gexp->file", "gexp->file + file-append") ("gexp->derivation", "gexp->derivation, cross-compilation") ("gexp->derivation, ungexp + ungexp-native") ("scheme-file", "text-file*", "mixed-text-file"): Remove 'references*' instead of (store-lift references). Ludovic Courtès