mirror of git://git.savannah.gnu.org/guix.git
285 lines
11 KiB
Scheme
285 lines
11 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
||
;;; Copyright © 2016 David Craven <david@craven.ch>
|
||
;;; Copyright © 2019, 2020 Ludovic Courtès <ludo@gnu.org>
|
||
;;; Copyright © 2019 Martin Becze <mjbecze@riseup.net>
|
||
;;;
|
||
;;; 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 crate)
|
||
#:use-module (guix base32)
|
||
#:use-module (guix build-system cargo)
|
||
#:use-module ((guix download) #:prefix download:)
|
||
#:use-module (gcrypt hash)
|
||
#:use-module (guix http-client)
|
||
#:use-module (guix import json)
|
||
#:use-module (guix import utils)
|
||
#:use-module ((guix licenses) #:prefix license:)
|
||
#:use-module (guix monads)
|
||
#:use-module (guix packages)
|
||
#:use-module (guix upstream)
|
||
#:use-module (guix utils)
|
||
#:use-module (ice-9 match)
|
||
#:use-module (ice-9 regex)
|
||
#:use-module (json)
|
||
#:use-module (srfi srfi-1)
|
||
#:use-module (srfi srfi-2)
|
||
#:use-module (srfi srfi-26)
|
||
#:export (crate->guix-package
|
||
guix-package->crate-name
|
||
string->license
|
||
crate-recursive-import
|
||
%crate-updater))
|
||
|
||
|
||
;;;
|
||
;;; Interface to https://crates.io/api/v1.
|
||
;;;
|
||
|
||
;; Crates. A crate is essentially a "package". It can have several
|
||
;; "versions", each of which has its own set of dependencies, license,
|
||
;; etc.--see <crate-version> below.
|
||
(define-json-mapping <crate> make-crate crate?
|
||
json->crate
|
||
(name crate-name) ;string
|
||
(latest-version crate-latest-version "max_version") ;string
|
||
(home-page crate-home-page "homepage") ;string | #nil
|
||
(repository crate-repository) ;string
|
||
(description crate-description) ;string
|
||
(keywords crate-keywords ;list of strings
|
||
"keywords" vector->list)
|
||
(categories crate-categories ;list of strings
|
||
"categories" vector->list)
|
||
(versions crate-versions "actual_versions" ;list of <crate-version>
|
||
(lambda (vector)
|
||
(map json->crate-version
|
||
(vector->list vector))))
|
||
(links crate-links)) ;alist
|
||
|
||
;; Crate version.
|
||
(define-json-mapping <crate-version> make-crate-version crate-version?
|
||
json->crate-version
|
||
(id crate-version-id) ;integer
|
||
(number crate-version-number "num") ;string
|
||
(download-path crate-version-download-path "dl_path") ;string
|
||
(readme-path crate-version-readme-path "readme_path") ;string
|
||
(license crate-version-license "license") ;string
|
||
(links crate-version-links)) ;alist
|
||
|
||
;; Crate dependency. Each dependency (each edge in the graph) is annotated as
|
||
;; being a "normal" dependency or a development dependency. There also
|
||
;; information about the minimum required version, such as "^0.0.41".
|
||
(define-json-mapping <crate-dependency> make-crate-dependency
|
||
crate-dependency?
|
||
json->crate-dependency
|
||
(id crate-dependency-id "crate_id") ;string
|
||
(kind crate-dependency-kind "kind" ;'normal | 'dev
|
||
string->symbol)
|
||
(requirement crate-dependency-requirement "req")) ;string
|
||
|
||
(define (lookup-crate name)
|
||
"Look up NAME on https://crates.io and return the corresopnding <crate>
|
||
record or #f if it was not found."
|
||
(let ((json (json-fetch (string-append (%crate-base-url) "/api/v1/crates/"
|
||
name))))
|
||
(and=> (and json (assoc-ref json "crate"))
|
||
(lambda (alist)
|
||
;; The "versions" field of ALIST is simply a list of version IDs
|
||
;; (integers). Here, we squeeze in the actual version
|
||
;; dictionaries that are not part of ALIST but are just more
|
||
;; convenient handled this way.
|
||
(let ((versions (or (assoc-ref json "versions") '#())))
|
||
(json->crate `(,@alist
|
||
("actual_versions" . ,versions))))))))
|
||
|
||
(define (crate-version-dependencies version)
|
||
"Return the list of <crate-dependency> records of VERSION, a
|
||
<crate-version>."
|
||
(let* ((path (assoc-ref (crate-version-links version) "dependencies"))
|
||
(url (string-append (%crate-base-url) path)))
|
||
(match (assoc-ref (or (json-fetch url) '()) "dependencies")
|
||
((? vector? vector)
|
||
(delete-duplicates (map json->crate-dependency (vector->list vector))))
|
||
(_
|
||
'()))))
|
||
|
||
|
||
;;;
|
||
;;; Converting crates to Guix packages.
|
||
;;;
|
||
|
||
(define (maybe-cargo-inputs package-names)
|
||
(match (package-names->package-inputs package-names)
|
||
(()
|
||
'())
|
||
((package-inputs ...)
|
||
`(#:cargo-inputs ,package-inputs))))
|
||
|
||
(define (maybe-cargo-development-inputs package-names)
|
||
(match (package-names->package-inputs package-names)
|
||
(()
|
||
'())
|
||
((package-inputs ...)
|
||
`(#:cargo-development-inputs ,package-inputs))))
|
||
|
||
(define (maybe-arguments arguments)
|
||
(match arguments
|
||
(()
|
||
'())
|
||
((args ...)
|
||
`((arguments (,'quasiquote ,args))))))
|
||
|
||
(define* (make-crate-sexp #:key name version cargo-inputs cargo-development-inputs
|
||
home-page synopsis description license
|
||
#:allow-other-keys)
|
||
"Return the `package' s-expression for a rust package with the given NAME,
|
||
VERSION, CARGO-INPUTS, CARGO-DEVELOPMENT-INPUTS, HOME-PAGE, SYNOPSIS, DESCRIPTION,
|
||
and LICENSE."
|
||
(let* ((port (http-fetch (crate-uri name version)))
|
||
(guix-name (crate-name->package-name name))
|
||
(cargo-inputs (map crate-name->package-name cargo-inputs))
|
||
(cargo-development-inputs (map crate-name->package-name
|
||
cargo-development-inputs))
|
||
(pkg `(package
|
||
(name ,guix-name)
|
||
(version ,version)
|
||
(source (origin
|
||
(method url-fetch)
|
||
(uri (crate-uri ,name version))
|
||
(file-name (string-append name "-" version ".tar.gz"))
|
||
(sha256
|
||
(base32
|
||
,(bytevector->nix-base32-string (port-sha256 port))))))
|
||
(build-system cargo-build-system)
|
||
,@(maybe-arguments (append (maybe-cargo-inputs cargo-inputs)
|
||
(maybe-cargo-development-inputs
|
||
cargo-development-inputs)))
|
||
(home-page ,(match home-page
|
||
(() "")
|
||
(_ home-page)))
|
||
(synopsis ,synopsis)
|
||
(description ,(beautify-description description))
|
||
(license ,(match license
|
||
(() #f)
|
||
((license) license)
|
||
(_ `(list ,@license)))))))
|
||
(close-port port)
|
||
pkg))
|
||
|
||
(define (string->license string)
|
||
(filter-map (lambda (license)
|
||
(and (not (string-null? license))
|
||
(not (any (lambda (elem) (string=? elem license))
|
||
'("AND" "OR" "WITH")))
|
||
(or (spdx-string->license license)
|
||
'unknown-license!)))
|
||
(string-split string (string->char-set " /"))))
|
||
|
||
(define* (crate->guix-package crate-name #:optional version)
|
||
"Fetch the metadata for CRATE-NAME from crates.io, and return the
|
||
`package' s-expression corresponding to that package, or #f on failure.
|
||
When VERSION is specified, attempt to fetch that version; otherwise fetch the
|
||
latest version of CRATE-NAME."
|
||
|
||
(define (normal-dependency? dependency)
|
||
(eq? (crate-dependency-kind dependency) 'normal))
|
||
|
||
(define crate
|
||
(lookup-crate crate-name))
|
||
|
||
(define version-number
|
||
(and crate
|
||
(or version
|
||
(crate-latest-version crate))))
|
||
|
||
(define version*
|
||
(and crate
|
||
(find (lambda (version)
|
||
(string=? (crate-version-number version)
|
||
version-number))
|
||
(crate-versions crate))))
|
||
|
||
(and crate version*
|
||
(let* ((dependencies (crate-version-dependencies version*))
|
||
(dep-crates (filter normal-dependency? dependencies))
|
||
(dev-dep-crates (remove normal-dependency? dependencies))
|
||
(cargo-inputs (sort (map crate-dependency-id dep-crates)
|
||
string-ci<?))
|
||
(cargo-development-inputs
|
||
(sort (map crate-dependency-id dev-dep-crates)
|
||
string-ci<?)))
|
||
(values
|
||
(make-crate-sexp #:name crate-name
|
||
#:version (crate-version-number version*)
|
||
#:cargo-inputs cargo-inputs
|
||
#:cargo-development-inputs cargo-development-inputs
|
||
#:home-page (or (crate-home-page crate)
|
||
(crate-repository crate))
|
||
#:synopsis (crate-description crate)
|
||
#:description (crate-description crate)
|
||
#:license (and=> (crate-version-license version*)
|
||
string->license))
|
||
(append cargo-inputs cargo-development-inputs)))))
|
||
|
||
(define* (crate-recursive-import crate-name #:optional version)
|
||
(recursive-import crate-name #f
|
||
#:repo->guix-package
|
||
(lambda (name repo)
|
||
(let ((version (and (string=? name crate-name)
|
||
version)))
|
||
(crate->guix-package name version)))
|
||
#:guix-name crate-name->package-name))
|
||
|
||
(define (guix-package->crate-name package)
|
||
"Return the crate name of PACKAGE."
|
||
(and-let* ((origin (package-source package))
|
||
(uri (origin-uri origin))
|
||
(crate-url? uri)
|
||
(len (string-length crate-url))
|
||
(path (xsubstring uri len))
|
||
(parts (string-split path #\/)))
|
||
(match parts
|
||
((name _ ...) name))))
|
||
|
||
(define (crate-name->package-name name)
|
||
(string-append "rust-" (string-join (string-split name #\_) "-")))
|
||
|
||
|
||
;;;
|
||
;;; Updater
|
||
;;;
|
||
|
||
(define crate-package?
|
||
(url-predicate crate-url?))
|
||
|
||
(define (latest-release package)
|
||
"Return an <upstream-source> for the latest release of PACKAGE."
|
||
(let* ((crate-name (guix-package->crate-name package))
|
||
(crate (lookup-crate crate-name))
|
||
(version (crate-latest-version crate))
|
||
(url (crate-uri crate-name version)))
|
||
(upstream-source
|
||
(package (package-name package))
|
||
(version version)
|
||
(urls (list url)))))
|
||
|
||
(define %crate-updater
|
||
(upstream-updater
|
||
(name 'crates)
|
||
(description "Updater for crates.io packages")
|
||
(pred crate-package?)
|
||
(latest latest-release)))
|
||
|