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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, 2019, 2021 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2018 Nikita <nikita@n0.is>
;;; Copyright © 2021 Oskar Köök <oskar@maatriks.ee>
;;; Copyright © 2021 Cees de Groot <cg@evrl.com>
;;; Copyright © 2024 Andrew Tropin <andrew@trop.in>
;;; Copyright © 2024 Ivan Sokolov <ivan-p-sokolov@ya.ru>
;;; Copyright © 2024 Igor Goryachev <igor@goryachev.org>
;;;
;;; 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 gexp)
#:use-module (guix utils)
#:use-module (guix git-download)
#:use-module (guix packages)
#:use-module (gnu packages)
#:use-module (gnu packages bash)
#:use-module (gnu packages erlang)
#:use-module (gnu packages version-control))
(define-public elixir
(package
(name "elixir")
(version "1.17.2")
(source
(origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/elixir-lang/elixir")
(commit (string-append "v" version))))
(file-name (git-file-name name version))
(sha256
(base32 "063pfz6ljy22b4nyvk8pi8ggqb6nmzqcca08vnl3h9xgh1zzddpj"))
(patches (search-patches "elixir-path-length.patch"))))
(build-system gnu-build-system)
(arguments
(list
#:test-target "test"
#:parallel-tests? #f ;see <https://debbugs.gnu.org/cgi/bugreport.cgi?bug=32171#23>
#:make-flags #~(list (string-append "PREFIX=" #$output))
#:phases
#~(let* ((compiler-path "lib/elixir/src/elixir_erl_compiler.erl")
(compiler-path-orig (string-append compiler-path ".orig")))
(modify-phases %standard-phases
(add-after 'unpack 'make-git-checkout-writable
(lambda _
(for-each make-file-writable (find-files "."))))
(add-after 'make-git-checkout-writable 'replace-paths
(lambda* (#:key inputs #:allow-other-keys)
;; Note: references end up obfuscated in binary BEAM files
;; where they may be invisible to the GC and graft code:
;; <https://issues.guix.gnu.org/54304#11>.
(substitute* '("lib/mix/lib/mix/release.ex"
"lib/mix/lib/mix/tasks/release.init.ex")
(("#!/bin/sh")
(string-append "#!" (search-input-file inputs "/bin/sh"))))
(substitute* "bin/elixir"
(("ERTS_BIN=\n")
(string-append
"ERTS_BIN="
;; Elixir Releases will prepend to ERTS_BIN the path of
;; a copy of erl. We detect if a release is being
;; generated by checking the initial ERTS_BIN value: if
;; it's empty, we are not in release mode and can point
;; to the actual erl binary in Guix store.
"\nif [ -z \"$ERTS_BIN\" ]; then ERTS_BIN="
(string-drop-right
(search-input-file inputs "/bin/erl") 3)
"; fi\n")))
(substitute* "bin/mix"
(("#!/usr/bin/env elixir")
(string-append "#!" #$output "/bin/elixir")))))
(add-after 'replace-paths 'pre-install-source
(lambda* (#:key outputs #:allow-other-keys)
(copy-recursively
"lib"
(string-append (assoc-ref outputs "src") "/source/lib"))))
;; Temporarily patch the compiler to place correct source
;; locations into module info instead of build directory.
(add-after 'pre-install-source 'patch-elixir-compiler
(lambda* (#:key outputs #:allow-other-keys)
(copy-recursively compiler-path compiler-path-orig)
(let ((source (string-append "/tmp/guix-build-" #$name "-"
#$version ".drv-0"))
(destination (assoc-ref outputs "src")))
(substitute* compiler-path
(("source, Source")
(string-append "source, string:replace(Source, \""
source "\", \"" destination "\")"))))))
(add-before 'build 'make-current
;; The Elixir compiler checks whether or not to compile files
;; by inspecting their timestamps. When the timestamp is
;; equal to the epoch no compilation will be performed. Some
;; tests fail when files are older than Jan 1, 2000.
(lambda _
(for-each (lambda (file)
(let ((recent 1400000000))
(utime file recent recent 0 0)))
(find-files "." ".*"))))
;; Unpatch the compiler and recompile it.
(add-after 'build 'restore-and-recompile
(lambda _
(copy-recursively compiler-path-orig compiler-path)
(delete-file compiler-path-orig)
(invoke "make")))
(add-before 'check 'set-home
(lambda* (#:key inputs #:allow-other-keys)
;; Some tests require access to a home directory.
(setenv "HOME" "/tmp")))
(delete 'configure)
(add-after 'install 'wrap-programs
(lambda* (#:key inputs outputs #:allow-other-keys)
(let* ((out (assoc-ref outputs "out"))
(programs '("elixir" "elixirc" "iex")))
;; mix can be sourced as an elixir script by other elixir
;; program, for example `iex -S mix`, so we should not wrap
;; mix into shell script.
(substitute* (string-append out "/bin/mix")
(("Mix.CLI.main\\(\\)")
(format #f "\
~~w[GUIX_ELIXIR_LIBS ERL_LIBS]
|> Enum.map(&System.get_env/1)
|> Enum.reject(&is_nil/1)
|> Enum.join(\":\")
|> case do \"\" -> :ok; erl_libs -> System.put_env(\"ERL_LIBS\", erl_libs) end
System.put_env(\"MIX_REBAR3\", System.get_env(\"MIX_REBAR3\", \"~a\"))
Mix.CLI.main()"
(search-input-file inputs "/bin/rebar3"))))
(for-each
(lambda (program)
(wrap-program (string-append out "/bin/" program)
'("ERL_LIBS" prefix ("${GUIX_ELIXIR_LIBS}"))))
programs))))))))
(outputs '("out" "src"))
(inputs (list bash-minimal erlang rebar3 git))
(native-search-paths
(list (search-path-specification
(variable "GUIX_ELIXIR_LIBS")
(files (list (string-append "lib/elixir/" (version-major+minor
version)))))))
(home-page "https://elixir-lang.org/")
(synopsis "Functional meta-programming aware 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)))
(define-public elixir-hex
(package
(name "elixir-hex")
(version "2.1.1")
(source
(origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/hexpm/hex")
(commit (string-append "v" version))))
(file-name (git-file-name name version))
(sha256
(base32
"0fmrbl7dj8ndq1z7h13qgx3cv7vw3b1zf6krdrahcmx43bcdsix4"))))
;; The mix-build-system assumes that Hex exists.
;; We build Hex using the gnu-build-system.
;; Other Elixir packages use the mix-build-system.
(build-system gnu-build-system)
(inputs (list elixir))
(arguments
(list
;; Hex is needed to build packages used to test Hex.
;; To avoid this circularity, we disable tests.
#:tests? #f
#:phases
#~(modify-phases %standard-phases
(delete 'bootstrap)
(delete 'configure)
(replace 'build
(lambda* (#:key inputs #:allow-other-keys)
(setenv "MIX_ENV" "prod")
(invoke "mix" "compile")))
(replace 'install
(lambda* (#:key inputs outputs #:allow-other-keys)
(define X.Y #$(version-major+minor (package-version elixir)))
(define out (string-append (assoc-ref outputs "out")
"/lib/elixir/" X.Y "/hex"))
(mkdir-p out)
(let* ((prod-dir "_build/prod/lib/hex")
(prod-dir-mix (string-append prod-dir "/.mix")))
(and (directory-exists? prod-dir-mix)
(delete-file-recursively prod-dir-mix))
(copy-recursively "_build/prod/lib/hex" out)))))))
(synopsis "Package manager for the Erlang VM")
(description
"This project provides tasks that integrate with Mix, Elixir's build
tool.")
(home-page "https://hexdocs.pm/makeup_elixir/")
(license license:bsd-2)))
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