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-rw-r--r--guix/import/elm.scm210
-rw-r--r--guix/import/json.scm9
-rw-r--r--guix/import/utils.scm34
3 files changed, 248 insertions, 5 deletions
diff --git a/guix/import/elm.scm b/guix/import/elm.scm
new file mode 100644
index 0000000000..74902b8617
--- /dev/null
+++ b/guix/import/elm.scm
@@ -0,0 +1,210 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2022 Philip McGrath <philip@philipmcgrath.com>
+;;;
+;;; 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 elm)
+ #:use-module (ice-9 match)
+ #:use-module (ice-9 regex)
+ #:use-module (ice-9 vlist)
+ #:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-11)
+ #:use-module (srfi srfi-26)
+ #:use-module (srfi srfi-34)
+ #:use-module (srfi srfi-35)
+ #:use-module (guix utils)
+ #:use-module (guix base32)
+ #:use-module (guix hash)
+ #:use-module (guix http-client)
+ #:use-module (guix memoization)
+ #:use-module (guix diagnostics)
+ #:use-module (guix i18n)
+ #:use-module ((guix ui) #:select (display-hint))
+ #:use-module ((guix build utils)
+ #:select ((package-name->name+version
+ . hyphen-package-name->name+version)
+ find-files
+ invoke))
+ #:use-module (guix import utils)
+ #:use-module (guix git)
+ #:use-module (guix import json)
+ #:autoload (gcrypt hash) (hash-algorithm sha256)
+ #:use-module (json)
+ #:use-module (guix packages)
+ #:use-module (guix upstream)
+ #:use-module ((guix licenses) #:prefix license:)
+ #:use-module (guix build-system elm)
+ #:export (elm-recursive-import
+ %elm-package-registry
+ %current-elm-checkout
+ elm->guix-package))
+
+(define %registry-url
+ ;; It is much nicer to fetch this small (< 40 KB gzipped)
+ ;; file once than to do many HTTP requests.
+ "https://package.elm-lang.org/all-packages")
+
+(define %elm-package-registry
+ ;; This is a parameter to support both testing and memoization.
+ ;; In pseudo-code, it has the contract:
+ ;; (parameter/c (-> json/c)
+ ;; (promise/c (vhash/c string? (listof string?))))
+ ;; To set the parameter, provide a thunk that returns a value suitable
+ ;; as an argument to 'json->registry-vhash'. Accessing the parameter
+ ;; returns a promise wrapping the resulting vhash.
+ (make-parameter
+ (lambda ()
+ (cond
+ ((json-fetch %registry-url #:http-fetch http-fetch/cached))
+ (else
+ (raise (formatted-message
+ (G_ "error downloading Elm package registry from ~a")
+ %registry-url)))))
+ (lambda (thunk)
+ (delay (json->registry-vhash (thunk))))))
+
+(define (json->registry-vhash jsobject)
+ "Parse the '(json)' module's representation of the Elm package registry to a
+vhash mapping package names to lists of available versions, sorted from latest
+to oldest."
+ (fold (lambda (entry vh)
+ (match entry
+ ((name . vec)
+ (vhash-cons name
+ (sort (vector->list vec) version>?)
+ vh))))
+ vlist-null
+ jsobject))
+
+(define (json->direct-dependencies jsobject)
+ "Parse the '(json)' module's representation of an 'elm.json' file's
+'dependencies' or 'test-dependencies' field to a list of strings naming direct
+dependencies, handling both the 'package' and 'application' grammars."
+ (cond
+ ;; *unspecified*
+ ((not (pair? jsobject))
+ '())
+ ;; {"type":"application"}
+ ((every (match-lambda
+ (((or "direct" "indirect") (_ . _) ...)
+ #t)
+ (_
+ #f))
+ jsobject)
+ (map car (or (assoc-ref jsobject "direct") '())))
+ ;; {"type":"package"}
+ (else
+ (map car jsobject))))
+
+;; <project-info> handles both {"type":"package"} and {"type":"application"}
+(define-json-mapping <project-info> make-project-info project-info?
+ json->project-info
+ (dependencies project-info-dependencies
+ "dependencies" json->direct-dependencies)
+ (test-dependencies project-info-test-dependencies
+ "test-dependencies" json->direct-dependencies)
+ ;; "synopsis" and "license" may be missing for {"type":"application"}
+ (synopsis project-info-synopsis
+ "summary" (lambda (x)
+ (if (string? x)
+ x
+ "")))
+ (license project-info-license
+ "license" (lambda (x)
+ (if (string? x)
+ (spdx-string->license x)
+ #f))))
+
+(define %current-elm-checkout
+ ;; This is a parameter for testing purposes.
+ (make-parameter
+ (lambda (name version)
+ (define-values (checkout _commit _relation)
+ ;; Elm requires that packages use this very specific format
+ (update-cached-checkout (string-append "https://github.com/" name)
+ #:ref `(tag . ,version)))
+ checkout)))
+
+(define (make-elm-package-sexp name version)
+ "Return two values: the `package' s-expression for the Elm package with the
+given NAME and VERSION, and a list of Elm packages it depends on."
+ (define checkout
+ ((%current-elm-checkout) name version))
+ (define info
+ (call-with-input-file (string-append checkout "/elm.json")
+ json->project-info))
+ (define dependencies
+ (project-info-dependencies info))
+ (define test-dependencies
+ (project-info-test-dependencies info))
+ (define guix-name
+ (elm->package-name name))
+ (values
+ `(package
+ (name ,guix-name)
+ (version ,version)
+ (source (elm-package-origin
+ ,name
+ version ;; no ,
+ (base32
+ ,(bytevector->nix-base32-string
+ (file-hash* checkout
+ #:algorithm (hash-algorithm sha256)
+ #:recursive? #t)))))
+ (build-system elm-build-system)
+ ,@(maybe-propagated-inputs (map elm->package-name dependencies))
+ ,@(maybe-inputs (map elm->package-name test-dependencies))
+ (home-page ,(string-append "https://package.elm-lang.org/packages/"
+ name "/" version))
+ (synopsis ,(project-info-synopsis info))
+ (description
+ ;; Try to use the first paragraph of README.md (which Elm requires),
+ ;; or fall back to synopsis otherwise.
+ ,(beautify-description
+ (match (chunk-lines (call-with-input-file
+ (string-append checkout "/README.md")
+ read-lines))
+ ((_ par . _)
+ (string-join par " "))
+ (_
+ (project-info-synopsis info)))))
+ ,@(let ((inferred-name (infer-elm-package-name guix-name)))
+ (if (equal? inferred-name name)
+ '()
+ `((properties '((upstream-name . ,name))))))
+ (license ,(project-info-license info)))
+ (append dependencies test-dependencies)))
+
+(define elm->guix-package
+ (memoize
+ (lambda* (package-name #:key repo version)
+ "Fetch the metadata for PACKAGE-NAME, an Elm package registered at
+package.elm.org, and return two values: the `package' s-expression
+corresponding to that package (or #f on failure) and a list of Elm
+dependencies."
+ (cond
+ ((vhash-assoc package-name (force (%elm-package-registry)))
+ => (match-lambda
+ ((_found latest . _versions)
+ (make-elm-package-sexp package-name (or version latest)))))
+ (else
+ (values #f '()))))))
+
+(define* (elm-recursive-import package-name #:optional version)
+ (recursive-import package-name
+ #:version version
+ #:repo->guix-package elm->guix-package
+ #:guix-name elm->package-name))
diff --git a/guix/import/json.scm b/guix/import/json.scm
index 0c98bb25b8..ae00ee929e 100644
--- a/guix/import/json.scm
+++ b/guix/import/json.scm
@@ -35,13 +35,16 @@
json->scheme-file))
(define* (json-fetch url
+ #:key
+ (http-fetch http-fetch)
;; Note: many websites returns 403 if we omit a
;; 'User-Agent' header.
- #:key (headers `((user-agent . "GNU Guile")
- (Accept . "application/json"))))
+ (headers `((user-agent . "GNU Guile")
+ (Accept . "application/json"))))
"Return a representation of the JSON resource URL (a list or hash table), or
#f if URL returns 403 or 404. HEADERS is a list of HTTP headers to pass in
-the query."
+the query. HTTP-FETCH is called to perform the request: for example, to
+enable caching, supply 'http-fetch/cached'."
(guard (c ((and (http-get-error? c)
(let ((error (http-get-error-code c)))
(or (= 403 error)
diff --git a/guix/import/utils.scm b/guix/import/utils.scm
index 9cadbb3d5f..26eebfece5 100644
--- a/guix/import/utils.scm
+++ b/guix/import/utils.scm
@@ -11,6 +11,7 @@
;;; Copyright © 2021 Sarah Morgensen <iskarian@mgsn.dev>
;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
;;; Copyright © 2022 Alice Brenon <alice.brenon@ens-lyon.fr>
+;;; Copyright © 2022 Kyle Meyer <kyle@kyleam.com>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -132,7 +133,7 @@ of the string VERSION is replaced by the symbol 'version."
"Convert STR, a SPDX formatted license identifier, to a license object.
Return #f if STR does not match any known identifiers."
;; https://spdx.org/licenses/
- ;; The psfl, gfl1.0, nmap, repoze
+ ;; The gfl1.0, nmap, repoze
;; licenses doesn't have SPDX identifiers
;;
;; Please update guix/licenses.scm when modifying
@@ -143,14 +144,17 @@ of the string VERSION is replaced by the symbol 'version."
;; or "GPL-N-or-later" as appropriate. Likewise for LGPL
;; and AGPL
("AGPL-1.0" 'license:agpl1)
+ ("AGPL-1.0-only" 'license:agpl1)
("AGPL-3.0" 'license:agpl3)
("AGPL-3.0-only" 'license:agpl3)
("AGPL-3.0-or-later" 'license:agpl3+)
("Apache-1.1" 'license:asl1.1)
("Apache-2.0" 'license:asl2.0)
+ ("APSL-2.0" 'license:apsl2)
("BSL-1.0" 'license:boost1.0)
("0BSD" 'license:bsd-0)
- ("BSD-2-Clause-FreeBSD" 'license:bsd-2)
+ ("BSD-2-Clause" 'license:bsd-2)
+ ("BSD-2-Clause-FreeBSD" 'license:bsd-2) ;flagged as deprecated on spdx
("BSD-3-Clause" 'license:bsd-3)
("BSD-4-Clause" 'license:bsd-4)
("CC0-1.0" 'license:cc0)
@@ -161,17 +165,30 @@ of the string VERSION is replaced by the symbol 'version."
("CC-BY-SA-3.0" 'license:cc-by-sa3.0)
("CC-BY-SA-4.0" 'license:cc-by-sa4.0)
("CDDL-1.0" 'license:cddl1.0)
+ ("CDDL-1.1" 'license:cddl1.1)
+ ("CECILL-2.1" 'license:cecill)
+ ("CECILL-B" 'license:cecill-b)
("CECILL-C" 'license:cecill-c)
("Artistic-2.0" 'license:artistic2.0)
("ClArtistic" 'license:clarified-artistic)
+ ("copyleft-next-0.3.0" 'license:copyleft-next)
("CPL-1.0" 'license:cpl1.0)
("EPL-1.0" 'license:epl1.0)
+ ("EPL-2.0" 'license:epl2.0)
+ ("EUPL-1.2" 'license:eupl1.2)
("MIT" 'license:expat)
+ ("MIT-0" 'license:expat-0)
("FTL" 'license:freetype)
+ ("FreeBSD-DOC" 'license:freebsd-doc)
("Freetype" 'license:freetype)
+ ("FSFAP" 'license:fsf-free)
+ ("FSFUL" 'license:fsf-free)
("GFDL-1.1" 'license:fdl1.1+)
+ ("GFDL-1.1-or-later" 'license:fdl1.1+)
("GFDL-1.2" 'license:fdl1.2+)
+ ("GFDL-1.2-or-later" 'license:fdl1.2+)
("GFDL-1.3" 'license:fdl1.3+)
+ ("GFDL-1.3-or-later" 'license:fdl1.3+)
("Giftware" 'license:giftware)
("GPL-1.0" 'license:gpl1)
("GPL-1.0-only" 'license:gpl1)
@@ -204,14 +221,24 @@ of the string VERSION is replaced by the symbol 'version."
("LGPL-3.0-only" 'license:lgpl3)
("LGPL-3.0+" 'license:lgpl3+)
("LGPL-3.0-or-later" 'license:lgpl3+)
+ ("LPPL-1.0" 'license:lppl)
+ ("LPPL-1.1" 'license:lppl)
+ ("LPPL-1.2" 'license:lppl1.2)
+ ("LPPL-1.3a" 'license:lppl1.3a)
+ ("LPPL-1.3c" 'license:lppl1.3c)
+ ("MirOS" 'license:miros)
("MPL-1.0" 'license:mpl1.0)
("MPL-1.1" 'license:mpl1.1)
("MPL-2.0" 'license:mpl2.0)
("MS-PL" 'license:ms-pl)
("NCSA" 'license:ncsa)
+ ("OGL-UK-1.0" 'license:ogl-psi1.0)
("OpenSSL" 'license:openssl)
("OLDAP-2.8" 'license:openldap2.8)
+ ("OPL-1.0" 'license:opl1.0+)
("CUA-OPL-1.0" 'license:cua-opl1.0)
+ ("PSF-2.0" 'license:psfl)
+ ("OSL-2.1" 'license:osl2.1)
("QPL-1.0" 'license:qpl)
("Ruby" 'license:ruby)
("SGI-B-2.0" 'license:sgifreeb2.0)
@@ -220,6 +247,9 @@ of the string VERSION is replaced by the symbol 'version."
("TCL" 'license:tcl/tk)
("Unlicense" 'license:unlicense)
("Vim" 'license:vim)
+ ("W3C" 'license:w3c)
+ ("WTFPL" 'license:wtfpl2)
+ ("wxWindow" 'license:wxwindows3.1+) ;flagged as deprecated on spdx
("X11" 'license:x11)
("ZPL-2.1" 'license:zpl2.1)
("Zlib" 'license:zlib)