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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2020 Hartmut Goebel <h.goebel@crazy-compilers.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/>.
(define-module (guix build-system rebar)
#:use-module (guix store)
#:use-module (guix utils)
#:use-module (guix gexp)
#:use-module (guix packages)
#:use-module (guix monads)
#:use-module (guix search-paths)
#:use-module (guix build-system)
#:use-module (guix build-system gnu)
#:export (hexpm-uri
hexpm-package-url
%rebar-build-system-modules
rebar-build
rebar-build-system))
;;;
;;; Definitions for the hex.pm repository,
;;;
;; URL and paths from
;; https://github.com/hexpm/specifications/blob/master/endpoints.md
(define %hexpm-repo-url
(make-parameter "https://repo.hex.pm"))
(define hexpm-package-url
(string-append (%hexpm-repo-url) "/tarballs/"))
(define (hexpm-uri name version)
"Return a URI string for the package hosted at hex.pm corresponding to NAME
and VERSION."
(string-append hexpm-package-url name "-" version ".tar"))
;;
;; Standard build procedure for Erlang packages using Rebar.
;;
(define %rebar-build-system-modules
;; Build-side modules imported by default.
`((guix build rebar-build-system)
,@%gnu-build-system-modules))
(define (default-rebar3)
"Return the default Rebar3 package."
;; Lazily resolve the binding to avoid a circular dependency.
(let ((erlang-mod (resolve-interface '(gnu packages erlang))))
(module-ref erlang-mod 'rebar3)))
(define (default-erlang)
"Return the default Erlang package."
;; Lazily resolve the binding to avoid a circular dependency.
(let ((erlang-mod (resolve-interface '(gnu packages erlang))))
(module-ref erlang-mod 'erlang)))
(define* (lower name
#:key source inputs native-inputs outputs system target
(rebar (default-rebar3))
(erlang (default-erlang))
#:allow-other-keys
#:rest arguments)
"Return a bag for NAME from the given arguments."
(define private-keywords
'(#:target #:rebar #:erlang #:inputs #:native-inputs))
(and (not target) ;XXX: no cross-compilation
(bag
(name name)
(system system)
(host-inputs `(,@(if source
`(("source" ,source))
'())
,@inputs))
(build-inputs `(("rebar" ,rebar)
("erlang" ,erlang) ;; for escriptize
,@native-inputs
;; Keep the standard inputs of 'gnu-build-system'.
,@(standard-packages)))
(outputs outputs)
(build rebar-build)
(arguments (strip-keyword-arguments private-keywords arguments)))))
(define* (rebar-build name inputs
#:key
guile source
(rebar-flags ''("skip_deps=true" "-vv"))
(tests? #t)
(test-target "eunit")
;; TODO: install-name ; default: based on guix package name
(install-profile "default")
(phases '(@ (guix build rebar-build-system)
%standard-phases))
(outputs '("out"))
(search-paths '())
(native-search-paths '())
(system (%current-system))
(imported-modules %rebar-build-system-modules)
(modules '((guix build rebar-build-system)
(guix build utils))))
"Build SOURCE with INPUTS."
(define builder
(with-imported-modules imported-modules
#~(begin
(use-modules #$@(sexp->gexp modules))
#$(with-build-variables inputs outputs
#~(rebar-build #:source #+source
#:system #$system
#:name #$name
#:rebar-flags #$rebar-flags
#:tests? #$tests?
#:test-target #$test-target
;; TODO: #:install-name #$install-name
#:install-profile #$install-profile
#:phases #$(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)))
;; Note: Always pass #:graft? #f. Without it, ALLOWED-REFERENCES &
;; co. would be interpreted as referring to grafted packages.
(gexp->derivation name builder
#:system system
#:target #f
#:graft? #f
#:guile-for-build guile)))
(define rebar-build-system
(build-system
(name 'rebar)
(description "The standard Rebar build system")
(lower lower)))
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