From aefcfdd0ae2aa41adb3d1106752b6a291ef1d80f Mon Sep 17 00:00:00 2001 From: Philip McGrath Date: Wed, 18 May 2022 14:10:50 -0400 Subject: guix: Add elm-build-system. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * gnu/packages/patches/elm-offline-package-registry.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/elm.scm (elm): Use it. * guix/build-system/elm.scm, guix/build/elm-build-system.scm, tests/elm.scm: New files. * Makefile.scm (MODULES, SCM_TESTS): Add them. * doc/guix.texi (Build Systems): Document 'elm-build-system'. * doc/contributing.texi (Elm Packages): New section. Document naming conventions and utilities. Signed-off-by: Ludovic Courtès --- guix/build-system/elm.scm | 172 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 172 insertions(+) create mode 100644 guix/build-system/elm.scm (limited to 'guix/build-system/elm.scm') diff --git a/guix/build-system/elm.scm b/guix/build-system/elm.scm new file mode 100644 index 0000000000..b54954bf4e --- /dev/null +++ b/guix/build-system/elm.scm @@ -0,0 +1,172 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2022 Philip McGrath +;;; +;;; 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 . + +(define-module (guix build-system elm) + #:use-module (guix store) + #:use-module (guix utils) + #:use-module (guix packages) + #:use-module (guix gexp) + #:use-module (guix monads) + #:use-module (guix search-paths) + #:use-module (guix git-download) + #:use-module (guix build-system) + #:use-module (guix build-system gnu) + #:use-module (ice-9 match) + #:use-module (srfi srfi-1) + #:export (elm->package-name + guix-package->elm-name + infer-elm-package-name + elm-package-origin + %elm-build-system-modules + %elm-default-modules + elm-build + elm-build-system)) + +(define (elm->package-name name) + "Given the NAME of an Elm package, return a Guix-style package name." + (let ((converted + (string-join (string-split (string-downcase name) #\/) "-"))) + (if (string-prefix? "elm-" converted) + converted + (string-append "elm-" converted)))) + +(define (guix-package->elm-name package) + "Given an Elm PACKAGE, return the possibly-inferred upstream name, or #f the +upstream name is not specified and can't be inferred." + (or (assoc-ref (package-properties package) 'upstream-name) + (infer-elm-package-name (package-name package)))) + +(define (infer-elm-package-name guix-name) + "Given the GUIX-NAME of an Elm package, return the inferred upstream name, +or #f if it can't be inferred. If the result is not #f, supplying it to +'elm->package-name' would produce GUIX-NAME. + +See also 'guix-package->elm-name', which respects the 'upstream-name' +property." + (define (parts-join part0 parts) + (string-join (cons part0 parts) "-")) + (match (string-split guix-name #\-) + (("elm" "explorations" part0 parts ...) + (string-append "elm-explorations/" + (parts-join part0 parts))) + (("elm" owner part0 parts ...) + (string-append owner "/" (parts-join part0 parts))) + (("elm" repo) + (string-append "elm/" repo)) + (_ + #f))) + +(define (elm-package-origin elm-name version hash) + "Return an origin for the Elm package with upstream name ELM-NAME at the +given VERSION with sha256 checksum HASH." + ;; elm requires this very specific repository structure and tagging regime + (origin + (method git-fetch) + (uri (git-reference + (url (string-append "https://github.com/" elm-name)) + (commit version))) + (file-name (git-file-name (elm->package-name elm-name) version)) + (sha256 hash))) + +(define %elm-build-system-modules + ;; Build-side modules imported by default. + `((guix build elm-build-system) + (guix build json) + (guix build union) + ,@%gnu-build-system-modules)) + +(define %elm-default-modules + ;; Modules in scope in the build-side environment. + '((guix build elm-build-system) + (guix build utils) + (guix build json) + (guix build union))) + +(define (default-elm) + "Return the default Elm package for builds." + ;; Lazily resolve the binding to avoid a circular dependency. + (let ((elm (resolve-interface '(gnu packages elm)))) + (module-ref elm 'elm))) + +(define* (lower name + #:key source inputs native-inputs outputs system target + (implicit-elm-package-inputs? #t) + (elm (default-elm)) + #:allow-other-keys + #:rest arguments) + "Return a bag for NAME." + (define private-keywords + '(#:target #:implicit-elm-package-inputs? #:elm #:inputs #:native-inputs)) + (cond + (target + ;; Cross-compilation is not yet supported. It should be easy, though, + ;; since the build products are all platform-independent. + #f) + (else + (bag + (name name) + (system system) + (host-inputs + `(,@(if source + `(("source" ,source)) + '()) + ,@inputs + ("elm" ,elm) + ;; TODO: probably don't need most of (standard-packages) + ,@(standard-packages))) + (outputs outputs) + (build elm-build) + (arguments (strip-keyword-arguments private-keywords arguments)))))) + +(define* (elm-build name inputs + #:key + source + (tests? #t) + (phases '%standard-phases) + (outputs '("out")) + (search-paths '()) + (system (%current-system)) + (guile #f) + (imported-modules %elm-build-system-modules) + (modules %elm-default-modules)) + "Build SOURCE using ELM." + (define builder + (with-imported-modules imported-modules + #~(begin + (use-modules #$@(sexp->gexp modules)) + (elm-build #:name #$name + #:source #+source + #:system #$system + #:tests? #$tests? + #:phases #$phases + #:outputs #$(outputs->gexp outputs) + #:search-paths '#$(sexp->gexp + (map search-path-specification->sexp + search-paths)) + #:inputs #$(input-tuples->gexp inputs))))) + (mlet %store-monad ((guile (package->derivation (or guile (default-guile)) + system #:graft? #f))) + (gexp->derivation name builder + #:system system + #:guile-for-build guile))) + +(define elm-build-system + (build-system + (name 'elm) + (description "The Elm build system") + (lower lower))) -- cgit v1.2.3