122 lines
5.1 KiB
Scheme
122 lines
5.1 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2015, 2017, 2018 Ricardo Wurmus <rekado@elephly.net>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix build r-build-system)
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#:use-module ((guix build gnu-build-system) #:prefix gnu:)
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#:use-module (guix build utils)
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#:use-module (ice-9 match)
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#:use-module (ice-9 ftw)
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#:use-module (ice-9 popen)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:use-module (srfi srfi-35)
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#:export (%standard-phases
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r-build))
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;; Commentary:
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;;
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;; Builder-side code of the standard build procedure for R packages.
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;;
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;; Code:
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(define (invoke-r command params)
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(apply invoke "R" "CMD" command params))
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(define (pipe-to-r command params)
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(let ((port (apply open-pipe* OPEN_WRITE "R" params)))
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(display command port)
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(let ((code (status:exit-val (close-pipe port))))
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(unless (zero? code)
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(raise (condition ((@@ (guix build utils) &invoke-error)
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(program "R")
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(arguments (cons command params))
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(exit-status (status:exit-val code))
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(term-signal (status:term-sig code))
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(stop-signal (status:stop-sig code)))))))))
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(define (generate-site-path inputs)
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(string-join (map (match-lambda
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((_ . path)
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(string-append path "/site-library")))
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;; Restrict to inputs beginning with "r-".
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(filter (match-lambda
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((name . _)
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(string-prefix? "r-" name)))
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inputs))
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":"))
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(define* (check #:key test-target inputs outputs tests? #:allow-other-keys)
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"Run the test suite of a given R package."
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(let* ((libdir (string-append (assoc-ref outputs "out") "/site-library/"))
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;; R package names are case-sensitive and cannot be derived from the
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;; Guix package name. The exact package name is required as an
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;; argument to ‘tools::testInstalledPackage’, which runs the tests
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;; for a package given its name and the path to the “library” (a
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;; location for a collection of R packages) containing it.
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;; Since there can only be one R package in any collection (=
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;; “library”), the name of the only directory in the collection path
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;; is the original name of the R package.
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(pkg-name (car (scandir libdir (negate (cut member <> '("." ".."))))))
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(testdir (string-append libdir pkg-name "/" test-target))
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(site-path (string-append libdir ":" (generate-site-path inputs))))
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(when (and tests? (file-exists? testdir))
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(setenv "R_LIBS_SITE" site-path)
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(pipe-to-r (string-append "tools::testInstalledPackage(\"" pkg-name "\", "
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"lib.loc = \"" libdir "\")")
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'("--no-save" "--slave")))
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#t))
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(define* (install #:key outputs inputs (configure-flags '())
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#:allow-other-keys)
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"Install a given R package."
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(let* ((out (assoc-ref outputs "out"))
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(site-library (string-append out "/site-library/"))
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(params (append configure-flags
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(list "--install-tests"
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(string-append "--library=" site-library)
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"--built-timestamp=1970-01-01"
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".")))
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(site-path (string-append site-library ":"
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(generate-site-path inputs))))
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;; If dependencies cannot be found at install time, R will refuse to
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;; install the package.
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(setenv "R_LIBS_SITE" site-path)
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;; Some R packages contain a configure script for which the CONFIG_SHELL
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;; variable should be set.
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(setenv "CONFIG_SHELL" (which "bash"))
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(mkdir-p site-library)
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(invoke-r "INSTALL" params)))
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(define %standard-phases
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(modify-phases gnu:%standard-phases
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(delete 'bootstrap)
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(delete 'configure)
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(delete 'build)
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(delete 'check) ; tests must be run after installation
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(replace 'install install)
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(add-after 'install 'check check)))
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(define* (r-build #:key inputs (phases %standard-phases)
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#:allow-other-keys #:rest args)
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"Build the given R package, applying all of PHASES in order."
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(apply gnu:gnu-build #:inputs inputs #:phases phases args))
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;;; r-build-system.scm ends here
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