317 lines
13 KiB
Scheme
317 lines
13 KiB
Scheme
;;; Copyright © 2018 Julien Lepiller <julien@lepiller.eu>
|
|
;;;
|
|
;;; 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 import opam)
|
|
#:use-module (ice-9 ftw)
|
|
#:use-module (ice-9 match)
|
|
#:use-module (ice-9 peg)
|
|
#:use-module (ice-9 receive)
|
|
#:use-module ((ice-9 rdelim) #:select (read-line))
|
|
#:use-module (ice-9 textual-ports)
|
|
#:use-module (ice-9 vlist)
|
|
#:use-module (srfi srfi-1)
|
|
#:use-module (srfi srfi-2)
|
|
#:use-module (web uri)
|
|
#:use-module (guix build-system)
|
|
#:use-module (guix build-system ocaml)
|
|
#:use-module (guix http-client)
|
|
#:use-module (guix git)
|
|
#:use-module (guix ui)
|
|
#:use-module (guix packages)
|
|
#:use-module (guix upstream)
|
|
#:use-module (guix utils)
|
|
#:use-module (guix import utils)
|
|
#:use-module ((guix licenses) #:prefix license:)
|
|
#:export (opam->guix-package
|
|
opam-recursive-import
|
|
%opam-updater))
|
|
|
|
;; Define a PEG parser for the opam format
|
|
(define-peg-pattern comment none (and "#" (* STRCHR) "\n"))
|
|
(define-peg-pattern SP none (or " " "\n" comment))
|
|
(define-peg-pattern SP2 body (or " " "\n"))
|
|
(define-peg-pattern QUOTE none "\"")
|
|
(define-peg-pattern QUOTE2 body "\"")
|
|
(define-peg-pattern COLON none ":")
|
|
;; A string character is any character that is not a quote, or a quote preceded by a backslash.
|
|
(define-peg-pattern STRCHR body
|
|
(or " " "!" (and (ignore "\\") "\"")
|
|
(and (ignore "\\") "\\") (range #\# #\頋)))
|
|
(define-peg-pattern operator all (or "=" "!" "<" ">"))
|
|
|
|
(define-peg-pattern records body (* (and (or record weird-record) (* SP))))
|
|
(define-peg-pattern record all (and key COLON (* SP) value))
|
|
(define-peg-pattern weird-record all (and key (* SP) dict))
|
|
(define-peg-pattern key body (+ (or (range #\a #\z) "-")))
|
|
(define-peg-pattern value body (and (or conditional-value ground-value operator) (* SP)))
|
|
(define-peg-pattern ground-value body (and (or multiline-string string-pat list-pat var) (* SP)))
|
|
(define-peg-pattern conditional-value all (and ground-value (* SP) condition))
|
|
(define-peg-pattern string-pat all (and QUOTE (* STRCHR) QUOTE))
|
|
(define-peg-pattern list-pat all (and (ignore "[") (* SP) (* (and value (* SP))) (ignore "]")))
|
|
(define-peg-pattern var all (+ (or (range #\a #\z) "-")))
|
|
(define-peg-pattern multiline-string all
|
|
(and QUOTE QUOTE QUOTE (* SP)
|
|
(* (or SP2 STRCHR (and QUOTE2 (not-followed-by QUOTE))
|
|
(and QUOTE2 QUOTE2 (not-followed-by QUOTE))))
|
|
QUOTE QUOTE QUOTE))
|
|
(define-peg-pattern dict all (and (ignore "{") (* SP) records (* SP) (ignore "}")))
|
|
|
|
(define-peg-pattern condition body (and (ignore "{") condition-form (ignore "}")))
|
|
|
|
(define-peg-pattern condition-form body
|
|
(and
|
|
(* SP)
|
|
(or condition-and condition-or condition-form2)
|
|
(* SP)))
|
|
(define-peg-pattern condition-form2 body
|
|
(and (* SP) (or condition-greater-or-equal condition-greater
|
|
condition-lower-or-equal condition-lower
|
|
condition-neq condition-eq condition-content) (* SP)))
|
|
|
|
;(define-peg-pattern condition-operator all (and (ignore operator) (* SP) condition-string))
|
|
(define-peg-pattern condition-greater-or-equal all (and (ignore (and ">" "=")) (* SP) condition-string))
|
|
(define-peg-pattern condition-greater all (and (ignore ">") (* SP) condition-string))
|
|
(define-peg-pattern condition-lower-or-equal all (and (ignore (and "<" "=")) (* SP) condition-string))
|
|
(define-peg-pattern condition-lower all (and (ignore "<") (* SP) condition-string))
|
|
(define-peg-pattern condition-and all (and condition-form2 (* SP) (? (ignore "&")) (* SP) condition-form))
|
|
(define-peg-pattern condition-or all (and condition-form2 (* SP) (ignore "|") (* SP) condition-form))
|
|
(define-peg-pattern condition-eq all (and (? condition-content) (* SP) (ignore "=") (* SP) condition-content))
|
|
(define-peg-pattern condition-neq all (and (? condition-content) (* SP) (ignore (and "!" "=")) (* SP) condition-content))
|
|
(define-peg-pattern condition-content body (or condition-string condition-var))
|
|
(define-peg-pattern condition-content2 body (and condition-content (* SP) (not-followed-by (or "&" "=" "!"))))
|
|
(define-peg-pattern condition-string all (and QUOTE (* STRCHR) QUOTE))
|
|
(define-peg-pattern condition-var all (+ (or (range #\a #\z) "-")))
|
|
|
|
(define (get-opam-repository)
|
|
"Update or fetch the latest version of the opam repository and return the
|
|
path to the repository."
|
|
(receive (location commit)
|
|
(update-cached-checkout "https://github.com/ocaml/opam-repository")
|
|
location))
|
|
|
|
(define (latest-version versions)
|
|
"Find the most recent version from a list of versions."
|
|
(fold (lambda (a b) (if (version>? a b) a b)) (car versions) versions))
|
|
|
|
(define (find-latest-version package repository)
|
|
"Get the latest version of a package as described in the given repository."
|
|
(let* ((dir (string-append repository "/packages/" package))
|
|
(versions (scandir dir (lambda (name) (not (string-prefix? "." name))))))
|
|
(if versions
|
|
(let ((versions (map
|
|
(lambda (dir)
|
|
(string-join (cdr (string-split dir #\.)) "."))
|
|
versions)))
|
|
;; Workaround for janestreet re-versionning
|
|
(let ((v-versions (filter (lambda (version) (string-prefix? "v" version)) versions)))
|
|
(if (null? v-versions)
|
|
(latest-version versions)
|
|
(string-append "v" (latest-version (map (lambda (version) (substring version 1)) v-versions))))))
|
|
(begin
|
|
(format #t (G_ "Package not found in opam repository: ~a~%") package)
|
|
#f))))
|
|
|
|
(define (get-metadata opam-file)
|
|
(with-input-from-file opam-file
|
|
(lambda _
|
|
(peg:tree (match-pattern records (get-string-all (current-input-port)))))))
|
|
|
|
(define (substitute-char str what with)
|
|
(string-join (string-split str what) with))
|
|
|
|
(define (ocaml-name->guix-name name)
|
|
(substitute-char
|
|
(cond
|
|
((equal? name "ocamlfind") "ocaml-findlib")
|
|
((string-prefix? "ocaml" name) name)
|
|
((string-prefix? "conf-" name) (substring name 5))
|
|
(else (string-append "ocaml-" name)))
|
|
#\_ "-"))
|
|
|
|
(define (metadata-ref file lookup)
|
|
(fold (lambda (record acc)
|
|
(match record
|
|
((record key val)
|
|
(if (equal? key lookup)
|
|
(match val
|
|
(('list-pat . stuff) stuff)
|
|
(('string-pat stuff) stuff)
|
|
(('multiline-string stuff) stuff)
|
|
(('dict records ...) records))
|
|
acc))))
|
|
#f file))
|
|
|
|
(define (native? condition)
|
|
(match condition
|
|
(('condition-var var)
|
|
(match var
|
|
("with-test" #t)
|
|
("test" #t)
|
|
("build" #t)
|
|
(_ #f)))
|
|
((or ('condition-or cond-left cond-right) ('condition-and cond-left cond-right))
|
|
(or (native? cond-left)
|
|
(native? cond-right)))
|
|
(_ #f)))
|
|
|
|
(define (dependency->input dependency)
|
|
(match dependency
|
|
(('string-pat str) str)
|
|
(('conditional-value val condition)
|
|
(if (native? condition) "" (dependency->input val)))))
|
|
|
|
(define (dependency->native-input dependency)
|
|
(match dependency
|
|
(('string-pat str) "")
|
|
(('conditional-value val condition)
|
|
(if (native? condition) (dependency->input val) ""))))
|
|
|
|
(define (dependency->name dependency)
|
|
(match dependency
|
|
(('string-pat str) str)
|
|
(('conditional-value val condition)
|
|
(dependency->name val))))
|
|
|
|
(define (dependency-list->names lst)
|
|
(filter
|
|
(lambda (name)
|
|
(not (or
|
|
(string-prefix? "conf-" name)
|
|
(equal? name "ocaml")
|
|
(equal? name "findlib"))))
|
|
(map dependency->name lst)))
|
|
|
|
(define (ocaml-names->guix-names names)
|
|
(map ocaml-name->guix-name
|
|
(remove (lambda (name)
|
|
(or (equal? "" name))
|
|
(equal? "ocaml" name))
|
|
names)))
|
|
|
|
(define (depends->inputs depends)
|
|
(filter (lambda (name)
|
|
(and (not (equal? "" name))
|
|
(not (equal? "ocaml" name))
|
|
(not (equal? "ocamlfind" name))))
|
|
(map dependency->input depends)))
|
|
|
|
(define (depends->native-inputs depends)
|
|
(filter (lambda (name) (not (equal? "" name)))
|
|
(map dependency->native-input depends)))
|
|
|
|
(define (dependency-list->inputs lst)
|
|
(map
|
|
(lambda (dependency)
|
|
(list dependency (list 'unquote (string->symbol dependency))))
|
|
(ocaml-names->guix-names lst)))
|
|
|
|
(define (opam-fetch name)
|
|
(and-let* ((repository (get-opam-repository))
|
|
(version (find-latest-version name repository))
|
|
(file (string-append repository "/packages/" name "/" name "." version "/opam")))
|
|
`(("metadata" ,@(get-metadata file))
|
|
("version" . ,version))))
|
|
|
|
(define (opam->guix-package name)
|
|
(and-let* ((opam-file (opam-fetch name))
|
|
(version (assoc-ref opam-file "version"))
|
|
(opam-content (assoc-ref opam-file "metadata"))
|
|
(url-dict (metadata-ref opam-content "url"))
|
|
(source-url (metadata-ref url-dict "src"))
|
|
(requirements (metadata-ref opam-content "depends"))
|
|
(dependencies (dependency-list->names requirements))
|
|
(inputs (dependency-list->inputs (depends->inputs requirements)))
|
|
(native-inputs (dependency-list->inputs (depends->native-inputs requirements))))
|
|
(call-with-temporary-output-file
|
|
(lambda (temp port)
|
|
(and (url-fetch source-url temp)
|
|
(values
|
|
`(package
|
|
(name ,(ocaml-name->guix-name name))
|
|
(version ,(if (string-prefix? "v" version)
|
|
(substring version 1)
|
|
version))
|
|
(source
|
|
(origin
|
|
(method url-fetch)
|
|
(uri ,source-url)
|
|
(sha256 (base32 ,(guix-hash-url temp)))))
|
|
(build-system ocaml-build-system)
|
|
,@(if (null? inputs)
|
|
'()
|
|
`((inputs ,(list 'quasiquote inputs))))
|
|
,@(if (null? native-inputs)
|
|
'()
|
|
`((native-inputs ,(list 'quasiquote native-inputs))))
|
|
,@(if (equal? name (guix-name->opam-name (ocaml-name->guix-name name)))
|
|
'()
|
|
`((properties
|
|
,(list 'quasiquote `((upstream-name . ,name))))))
|
|
(home-page ,(metadata-ref opam-content "homepage"))
|
|
(synopsis ,(metadata-ref opam-content "synopsis"))
|
|
(description ,(metadata-ref opam-content "description"))
|
|
(license #f))
|
|
dependencies))))))
|
|
|
|
(define (opam-recursive-import package-name)
|
|
(recursive-import package-name #f
|
|
#:repo->guix-package (lambda (name repo)
|
|
(opam->guix-package name))
|
|
#:guix-name ocaml-name->guix-name))
|
|
|
|
(define (guix-name->opam-name name)
|
|
(if (string-prefix? "ocaml-" name)
|
|
(substring name 6)
|
|
name))
|
|
|
|
(define (guix-package->opam-name package)
|
|
"Given an OCaml PACKAGE built from OPAM, return the name of the
|
|
package in OPAM."
|
|
(let ((upstream-name (assoc-ref
|
|
(package-properties package)
|
|
'upstream-name))
|
|
(name (package-name package)))
|
|
(if upstream-name
|
|
upstream-name
|
|
(guix-name->opam-name name))))
|
|
|
|
(define (opam-package? package)
|
|
"Return true if PACKAGE is an OCaml package from OPAM"
|
|
(and
|
|
(equal? (build-system-name (package-build-system package)) 'ocaml)
|
|
(not (string-prefix? "ocaml4" (package-name package)))))
|
|
|
|
(define (latest-release package)
|
|
"Return an <upstream-source> for the latest release of PACKAGE."
|
|
(and-let* ((opam-name (guix-package->opam-name package))
|
|
(opam-file (opam-fetch opam-name))
|
|
(version (assoc-ref opam-file "version"))
|
|
(opam-content (assoc-ref opam-file "metadata"))
|
|
(url-dict (metadata-ref opam-content "url"))
|
|
(source-url (metadata-ref url-dict "src")))
|
|
(upstream-source
|
|
(package (package-name package))
|
|
(version version)
|
|
(urls (list source-url)))))
|
|
|
|
(define %opam-updater
|
|
(upstream-updater
|
|
(name 'opam)
|
|
(description "Updater for OPAM packages")
|
|
(pred opam-package?)
|
|
(latest latest-release)))
|