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| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2023 Pierre-Henry Fröhring <phfrohring@deeplinks.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
;; Commentary:
;;
;; Standard build procedure for Elixir packages using 'mix'. This is
;; implemented as an extension of 'gnu-build-system'.
;;
;; Code:
(define-module (guix build-system mix)
#:use-module (gnu packages base)
#:use-module (gnu packages elixir)
#:use-module (guix build mix-build-system)
#:use-module (guix build-system gnu)
#:use-module (guix build-system)
#:use-module (guix search-paths)
#:use-module (guix monads)
#:use-module (guix packages)
#:use-module (guix store)
#:use-module (guix gexp)
#:use-module (guix utils)
#:export (mix-build-system hexpm-uri))
;;
;; hexpm
;;
(define (hexpm-uri name version)
"Return the URI where to fetch the sources of a Hex package NAME at VERSION.
See: https://github.com/hexpm/specifications/blob/main/endpoints.md"
(string-append "https://repo.hex.pm/tarballs/"
(string-replace-substring (strip-elixir-prefix name) "-" "_")
"-" version ".tar"))
;;
;; utils
;;
(define utils-locales
(make-glibc-utf8-locales glibc
#:locales (list "en_US")
#:name "glibc-utf8-locales"))
(define (utils-elixir-default)
"Return the default Elixir package."
;; Lazily resolve the binding to avoid a circular dependency.
(let ((elixir (resolve-interface '(gnu packages elixir))))
(module-ref elixir
'elixir)))
(define utils-imported-modules
`((guix build mix-build-system)
,@%gnu-build-system-modules))
(define utils-modules
'((guix build mix-build-system)
(guix build utils)))
;;
;; mix
;;
(define* (mix-build name
inputs
#:key source
(tests? #t)
(phases '%standard-phases)
(outputs '("out"))
(search-paths '())
(system (%current-system))
(guile #f)
(imported-modules utils-imported-modules)
(modules utils-modules))
"Build SOURCE using Elixir, and with INPUTS."
(define builder
(with-imported-modules imported-modules
#~(begin
(use-modules #$@(sexp->gexp modules))
#$(with-build-variables inputs outputs
#~(mix-build #:name #$name
#:source #+source
#:system #$system
#:tests? #$tests?
#:phases #$(if (pair?
phases)
(sexp->gexp
phases)
phases)
#:outputs %outputs
#:search-paths '#$(sexp->gexp
(map
search-path-specification->sexp
search-paths))
#:inputs
%build-inputs)))))
(mlet %store-monad
((guile (package->derivation (or guile
(default-guile)) system
#:graft? #f)))
(gexp->derivation name
builder
#:system system
#:graft? #f ;consistent with 'gnu-build'
#:target #f
#:guile-for-build guile)))
(define* (mix-lower name
#:key source
inputs
native-inputs
outputs
system
target
(elixir (utils-elixir-default))
#:allow-other-keys #:rest arguments)
"Return a bag for NAME."
;; The value associated to these keywords are used in the bag below and are
;; not to be used in the arguments.
(define private-keywords
'(#:inputs #:native-inputs #:outputs #:system #:target #:elixir))
;; All that is necessary to complete the build.
(define build-inputs
;; If these packages are not present, then Elixir emits these errors:
;; dirname: command not found
;; basename: command not found
`(,@(standard-packages)
;; If no UTF-8 is present, then Elixir emits this warning:
;;
;; warning: the VM is running with native name encoding of latin1
;; which may cause Elixir to malfunction as it expects utf8. Please
;; ensure your locale is set to UTF-8 (which can be verified by
;; running "locale" in your shell)
("glibc-utf8-locales" ,utils-locales)
("elixir" ,elixir)
;; If Hex is not present, mix cannot build packages.
("mix-hex" ,mix-hex)
,@native-inputs
,@inputs))
(define host-inputs
(if target inputs
'()))
(bag (name name)
(system system)
(build-inputs build-inputs)
(host-inputs host-inputs)
(outputs outputs)
(build mix-build)
(arguments (strip-keyword-arguments private-keywords arguments))))
(define mix-build-system
(build-system (name 'mix)
(description "The standard Mix build system")
(lower mix-lower)))
;;; mix.scm ends here
|