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|
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 David Craven <david@craven.ch>
;;;
;;; 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 cargo-build-system)
#:use-module ((guix build gnu-build-system) #:prefix gnu:)
#:use-module (guix build utils)
#:use-module (ice-9 ftw)
#:use-module (ice-9 format)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:export (%standard-phases
cargo-build))
;; Commentary:
;;
;; Builder-side code of the standard Rust package build procedure.
;;
;; Code:
;; FIXME: Needs to be parsed from url not package name.
(define (package-name->crate-name name)
"Return the crate name of NAME."
(match (string-split name #\-)
(("rust" rest ...)
(string-join rest "-"))
(_ #f)))
(define* (configure #:key inputs #:allow-other-keys)
"Replace Cargo.toml [dependencies] section with guix inputs."
;; Make sure Cargo.toml is writeable when the crate uses git-fetch.
(chmod "Cargo.toml" #o644)
(let ((port (open-file "Cargo.toml" "a" #:encoding "utf-8")))
(format port "~%[replace]~%")
(for-each
(match-lambda
((name . path)
(let ((crate (package-name->crate-name name)))
(when (and crate path)
(match (string-split (basename path) #\-)
((_ ... version)
(format port "\"~a:~a\" = { path = \"~a/rustsrc\" }~%"
crate version path)))))))
inputs)
(close-port port))
#t)
(define* (build #:key (cargo-build-flags '("--release" "--frozen"))
#:allow-other-keys)
"Build a given Cargo package."
(zero? (apply system* `("cargo" "build" ,@cargo-build-flags))))
(define* (check #:key tests? #:allow-other-keys)
"Run tests for a given Cargo package."
(when tests?
(zero? (system* "cargo" "test"))))
(define* (install #:key inputs outputs #:allow-other-keys)
"Install a given Cargo package."
(let* ((out (assoc-ref outputs "out"))
(src (assoc-ref inputs "source"))
(bin (string-append out "/bin"))
(rsrc (string-append out "/rustsrc")))
(mkdir-p rsrc)
;; Rust doesn't have a stable ABI yet. Because of this
;; Cargo doesn't have a search path for binaries yet.
;; Until this changes we are working around this by
;; distributing crates as source and replacing
;; references in Cargo.toml with store paths.
(copy-recursively "src" (string-append rsrc "/src"))
(install-file "Cargo.toml" rsrc)
;; When the package includes executables we install
;; it using cargo install. This fails when the crate
;; doesn't contain an executable.
(system* "cargo" "install" "--root" bin)
#t))
(define %standard-phases
;; 'configure' phase is not needed.
(modify-phases gnu:%standard-phases
(replace 'configure configure)
(replace 'build build)
(replace 'check check)
(replace 'install install)))
(define* (cargo-build #:key inputs (phases %standard-phases)
#:allow-other-keys #:rest args)
"Build the given Cargo package, applying all of PHASES in order."
(apply gnu:gnu-build #:inputs inputs #:phases phases args))
;;; cargo-build-system.scm ends here
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