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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 Leo Famulari <leo@famulari.name>
;;; Copyright © 2016, 2017 Pjotr Prins <pjotr.guix@thebird.nl>
;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2017 nee <nee.git@cock.li>
;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
;;;
;;; 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 (gnu packages elixir)
#:use-module ((guix licenses) #:prefix license:)
#:use-module (guix build-system gnu)
#:use-module (guix download)
#:use-module (guix packages)
#:use-module (gnu packages)
#:use-module (gnu packages erlang)
#:use-module (gnu packages version-control))
(define-public elixir
(package
(name "elixir")
(version "1.5.3")
(source (origin
(method url-fetch)
(uri (string-append "https://github.com/elixir-lang/elixir"
"/archive/v" version ".tar.gz"))
(file-name (string-append name "-" version ".tar.gz"))
(sha256
(base32
"0acnxfwvkx1m1d0h5z051mz95n35zm468hcvc3wpmn17c15h5ihg"))
;; FIXME: 27 tests (out of 4K) had to be disabled as
;; they fail in the build environment. Common failures
;; are:
;; - Mix.Shell.cmd() fails with error 130
;; - The git_repo fixture cannot be found
;; - Communication with spawned processes fails with EPIPE
;; - Failure to copy files
(patches (search-patches "elixir-disable-failing-tests.patch"))))
(build-system gnu-build-system)
(arguments
`(#:test-target "test"
#:make-flags (list (string-append "PREFIX="
(assoc-ref %outputs "out")))
#:phases
(modify-phases %standard-phases
(add-after 'unpack 'replace-paths
(lambda* (#:key inputs outputs #:allow-other-keys)
(let ((out (assoc-ref outputs "out")))
(substitute* '("lib/elixir/lib/system.ex"
"lib/mix/lib/mix/scm/git.ex")
(("(cmd\\(['\"])git" _ prefix)
(string-append prefix (which "git"))))
(substitute* "bin/elixir"
(("ERL_EXEC=\"erl\"")
(string-append "ERL_EXEC=" (which "erl"))))
(substitute* "bin/mix"
(("#!/usr/bin/env elixir")
(string-append "#!" out "/bin/elixir"))))
#t))
(add-after 'unpack 'fix-or-disable-tests
(lambda* (#:key inputs #:allow-other-keys)
;; Some tests require access to a home directory.
(setenv "HOME" "/tmp")
;; FIXME: These tests fail because the "git_repo" fixture does
;; not exist or cannot be found.
(delete-file "lib/mix/test/mix/tasks/deps.git_test.exs")
;; FIXME: Mix.Shell.cmd() always fails with error code 130.
(delete-file "lib/mix/test/mix/shell_test.exs")
;; FIXME:
;; disabled failing impure tests to make it build again.
;; related discussion: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=28034#14
(delete-file "lib/elixir/test/elixir/kernel/cli_test.exs")
(delete-file "lib/elixir/test/elixir/kernel/dialyzer_test.exs")
(delete-file "lib/iex/test/iex/helpers_test.exs")
(delete-file "lib/ex_unit/test/ex_unit/capture_io_test.exs")
#t))
(add-before 'build 'make-current
;; The Elixir compiler checks whether or not to compile files by
;; inspecting their timestamps. When the timestamp is equal to the
;; epoch no compilation will be performed. Some tests fail when
;; files are older than Jan 1, 2000.
(lambda _
(for-each (lambda (file)
(let ((recent 1400000000))
(utime file recent recent 0 0)))
(find-files "." ".*"))
#t))
(delete 'configure))))
(inputs
`(("erlang" ,erlang)
("git" ,git)))
(home-page "http://elixir-lang.org/")
(synopsis "Elixir programming language")
(description "Elixir is a dynamic, functional language used to build
scalable and maintainable applications. Elixir leverages the Erlang VM, known
for running low-latency, distributed and fault-tolerant systems, while also
being successfully used in web development and the embedded software domain.")
(license license:asl2.0)))
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