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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>
;;; 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/>.
(define-module (guix build-system rebar)
#:use-module (guix build-system gnu)
#:use-module (guix build-system)
#:use-module (guix gexp)
#:use-module (guix monads)
#:use-module (guix packages)
#:use-module (guix search-paths)
#:use-module (guix store)
#:use-module (guix utils)
#:use-module (ice-9 match)
#:use-module (ice-9 regex)
#:use-module (srfi srfi-1)
#:export (hexpm-uri hexpm-package-url %rebar-build-system-modules
rebar-build rebar-build-system))
;; Source
;; A « Source » reprensents the source code to a library directory. It is
;; defined as (list <name> <origin>) where: <name> is a string representing
;; the name of a library directory and <origin> is an origin as defined
;; (guix packages).
;; Pattern that an Erlang Guix package name is expected to match.
(define pkg-name-re "^erlang-(.*)")
(define (pkg-name->match name)
"Return the match object from NAME if NAME starts with pkg-name-prefix."
(string-match pkg-name-re name))
(define (pkg-name? name)
"Test if NAME is the name of an Erlang Guix package."
(or (pkg-name->match name) #f))
(define (pkg-name->suffix name)
"Return the suffix of the name of an Erlang Guix package."
(regexp-substitute #f (pkg-name->match name) 1))
(define* (pkg-name->library-directory-name name #:key (version ""))
"Return the name of the library directory associated with the Erlang Guix package name NAME."
(string-append (string-replace-substring (pkg-name->suffix name) "-" "_")
(if (string= version "") "" (string-append "-" version))))
;; See: https://github.com/hexpm/specifications/blob/master/endpoints.md
(define hexpm (make-parameter "https://repo.hex.pm"))
(define hexpm-tarballs (string-append (hexpm) "/tarballs/"))
(define (hexpm-uri name version)
"Return a URI string for the package hosted at hex.pm corresponding to NAME
and VERSION.
XXX: should a warning be emitted?
If NAME is not an Erlang Guix package name, then emit a warning. The download
will fail if it is not correct anyway."
(define (warn-about name)
(format #t "AssertionWarning 4dcbff27
Assertion: re matches name.
re = ~a
name = ~a
" pkg-name-re name)
name)
(define (name->archive-name name)
(if (pkg-name? name)
(string-append (pkg-name->library-directory-name name #:version version) ".tar")
(string-append (warn-about name) "-" version ".tar")))
(string-append hexpm-tarballs (name->archive-name name)))
(define (rebar-default)
;; Lazily resolve the binding to avoid a circular dependency.
(let ((erlang-mod (resolve-interface '(gnu packages erlang))))
(module-ref erlang-mod 'rebar3)))
(define (erlang-default)
;; Lazily resolve the binding to avoid a circular dependency.
(let ((erlang-mod (resolve-interface '(gnu packages erlang))))
(module-ref erlang-mod 'erlang)))
(define imported-modules
`((guix build rebar-build-system)
,@%gnu-build-system-modules))
(define (input->source input)
"Return a Source associated to the Input INPUT."
(match input
((name package)
(list (pkg-name->library-directory-name name)
(package-source package)))))
(define* (rebar-build name
inputs
#:key
guile
source
(rebar-flags ''())
(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 imported-modules)
(modules '((guix build rebar-build-system)
(guix build utils)))
(sources-erlang '()))
"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
#:sources-erlang '#$sources-erlang
#:system #$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* (lower name
#:key
(erlang (erlang-default))
inputs
native-inputs
outputs
(rebar (rebar-default))
source
system
target
#:allow-other-keys #:rest arguments)
"Return a bag for NAME from the given arguments."
(let* ((erlang-packages
(filter (lambda (input)
(match input
((name _) (pkg-name? name))))
(append inputs native-inputs)))
(erlang-sources (map input->source erlang-packages)))
(define private-keywords
'(#:target #:rebar #:erlang #:inputs #:native-inputs #:sources-erlang))
(and (not target) ;XXX: no cross-compilation
(bag (name name)
(system system)
(host-inputs inputs)
(build-inputs `(,@(standard-packages)
("erlang" ,erlang)
("rebar" ,rebar)
,@inputs
,@native-inputs))
(outputs outputs)
(build rebar-build)
(arguments (append (list #:sources-erlang erlang-sources)
(strip-keyword-arguments private-keywords
arguments)))))))
(define rebar-build-system
(build-system (name 'rebar)
(description "The standard Rebar build system")
(lower lower)))
;;;
;;; Exports
;;;
(define hexpm-package-url hexpm-tarballs)
(define %rebar-build-system-modules imported-modules)
;;; rebar.scm ends here
|