import: Add hex.pm importer.

hex.pm is a package repository for Erlang and Elixir.

* guix/scripts/import.scm (importers): Add "hexpm".
* guix/scripts/import/hexpm.scm, guix/import/hexpm.scm,
  guix/hexpm-download.scm: New files.
* guix/import/utils.scm (source-spec->object): Add "hexpm-fetch" to list of
  fetch methods.
* guix/upstream.scm (package-update/hexpm-fetch): New function.
  (%method-updates) Add it.
* Makefile.am: Add them.
This commit is contained in:
Hartmut Goebel 2022-03-04 19:32:32 +01:00
parent 97586ca1cb
commit 0d9f1f15cb
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8 changed files with 755 additions and 5 deletions

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@ -275,6 +275,7 @@ MODULES = \
guix/import/gnu.scm \ guix/import/gnu.scm \
guix/import/go.scm \ guix/import/go.scm \
guix/import/hackage.scm \ guix/import/hackage.scm \
guix/import/hexpm.scm \
guix/import/json.scm \ guix/import/json.scm \
guix/import/kde.scm \ guix/import/kde.scm \
guix/import/launchpad.scm \ guix/import/launchpad.scm \
@ -326,6 +327,7 @@ MODULES = \
guix/scripts/import/gnu.scm \ guix/scripts/import/gnu.scm \
guix/scripts/import/go.scm \ guix/scripts/import/go.scm \
guix/scripts/import/hackage.scm \ guix/scripts/import/hackage.scm \
guix/scripts/import/hexpm.scm \
guix/scripts/import/json.scm \ guix/scripts/import/json.scm \
guix/scripts/import/minetest.scm \ guix/scripts/import/minetest.scm \
guix/scripts/import/opam.scm \ guix/scripts/import/opam.scm \

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@ -48,7 +48,7 @@ Copyright @copyright{} 2017 Thomas Danckaert@*
Copyright @copyright{} 2017 humanitiesNerd@* Copyright @copyright{} 2017 humanitiesNerd@*
Copyright @copyright{} 2017, 2021 Christine Lemmer-Webber@* Copyright @copyright{} 2017, 2021 Christine Lemmer-Webber@*
Copyright @copyright{} 2017, 2018, 2019, 2020, 2021, 2022 Marius Bakke@* Copyright @copyright{} 2017, 2018, 2019, 2020, 2021, 2022 Marius Bakke@*
Copyright @copyright{} 2017, 2019, 2020 Hartmut Goebel@* Copyright @copyright{} 2017, 2019, 2020, 2022 Hartmut Goebel@*
Copyright @copyright{} 2017, 2019, 2020, 2021 Maxim Cournoyer@* Copyright @copyright{} 2017, 2019, 2020, 2021 Maxim Cournoyer@*
Copyright @copyright{} 20172022 Tobias Geerinckx-Rice@* Copyright @copyright{} 20172022 Tobias Geerinckx-Rice@*
Copyright @copyright{} 2017 George Clemmer@* Copyright @copyright{} 2017 George Clemmer@*
@ -13453,6 +13453,33 @@ guix import egg arrays@@1.0
@end example @end example
Additional options include: Additional options include:
@table @code
@item --recursive
@itemx -r
Traverse the dependency graph of the given upstream package recursively
and generate package expressions for all those packages that are not yet
in Guix.
@end table
@item hexpm
@cindex hexpm
Import metadata from the hex.pm Erlang and Elixir package repository
@uref{https://hex.pm, hex.pm}, as in this example:
@example
guix import hexpm stun
@end example
The importer tries to determine the build system used by the package.
The hexpm importer also allows you to specify a version string:
@example
guix import hexpm cf@@0.3.0
@end example
Additional options include:
@table @code @table @code
@item --recursive @item --recursive
@itemx -r @itemx -r

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@ -26,20 +26,35 @@
#:use-module (guix search-paths) #:use-module (guix search-paths)
#:use-module (guix build-system) #:use-module (guix build-system)
#:use-module (guix build-system gnu) #:use-module (guix build-system gnu)
#:use-module ((guix hexpm-download) #:select (hexpm-uri) #:prefix dl:)
#:use-module (ice-9 match) #:use-module (ice-9 match)
#:use-module (srfi srfi-26) #:use-module (srfi srfi-26)
#:export (hexpm-uri #:export (hexpm-uri
hexpm-package-url
%rebar-build-system-modules %rebar-build-system-modules
rebar-build rebar-build
rebar-build-system)) rebar-build-system))
;;;
;;; Definitions for the hex.pm repository,
;;;
;; URL and paths from
;; https://github.com/hexpm/specifications/blob/master/endpoints.md
(define %hexpm-repo-url
(make-parameter "https://repo.hex.pm"))
(define hexpm-package-url
(string-append (%hexpm-repo-url) "/tarballs/"))
(define (hexpm-uri name version)
"Return a URI string for the package hosted at hex.pm corresponding to NAME
and VERSION."
(string-append hexpm-package-url name "-" version ".tar"))
;; ;;
;; Standard build procedure for Erlang packages using Rebar. ;; Standard build procedure for Erlang packages using Rebar.
;; ;;
(define hexpm-uri dl:hexpm-uri)
(define %rebar-build-system-modules (define %rebar-build-system-modules
;; Build-side modules imported by default. ;; Build-side modules imported by default.
`((guix build rebar-build-system) `((guix build rebar-build-system)

347
guix/import/hexpm.scm Normal file
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@ -0,0 +1,347 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Cyril Roelandt <tipecaml@gmail.com>
;;; Copyright © 2016 David Craven <david@craven.ch>
;;; Copyright © 2017, 2019-2021 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2019 Martin Becze <mjbecze@riseup.net>
;;; Copyright © 2019 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;; Copyright © 2020-2022 Hartmut Goebel <h.goebel@crazy-compilers.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 hexpm)
#:use-module (guix base32)
#:use-module ((guix download) #:prefix download:)
#:use-module (gcrypt hash)
#:use-module (guix http-client)
#:use-module (json)
#:use-module (guix import utils)
#:use-module ((guix import json) #:select (json-fetch))
#:use-module ((guix build utils)
#:select ((package-name->name+version
. hyphen-package-name->name+version)
dump-port))
#: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 (ice-9 popen)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-2)
#:use-module (srfi srfi-26)
#:use-module (guix build-system rebar)
#:export (hexpm->guix-package
guix-package->hexpm-name
strings->licenses ;; why used here?
hexpm-recursive-import
%hexpm-updater))
;;;
;;; Interface to https://hex.pm/api, version 2.
;;; REST-API end-points:
;;; https://github.com/hexpm/specifications/blob/master/apiary.apib
;;; Repository end-points:
;;; https://github.com/hexpm/specifications/blob/master/endpoints.md
;;;
(define %hexpm-api-url
(make-parameter "https://hex.pm/api"))
(define (package-url name)
(string-append (%hexpm-api-url) "/packages/" name))
;;
;; Hexpm Package. /packages/${name}
;; https://github.com/hexpm/specifications/blob/master/apiary.apib#Package
;;
;; Each package can have several "releases", each of which has its own set of
;; requirements, build-tool, etc. - see <hexpm-release> below.
(define-json-mapping <hexpm-pkgdef> make-hexpm-pkgdef hexpm-pkgdef?
json->hexpm
(name hexpm-name) ; string
(html-url hexpm-html-url "html_url") ; string
(docs-html-url hexpm-docs-html-url "docs_html_url") ; string | 'null
(meta hexpm-meta "meta" json->hexpm-meta)
(versions hexpm-versions "releases" ; list of <hexpm-version>
(lambda (vector)
(map json->hexpm-version
(vector->list vector))))
;; "latest_version" and "latest_stable_version" are not named in the
;; specification, butt seen in practice.
(latest-version hexpm-latest-version "latest_version") ; string
(latest-stable hexpm-latest-stable "latest_stable_version")) ; string
;; Hexpm package metadata.
(define-json-mapping <hexpm-meta> make-hexpm-meta hexpm-meta?
json->hexpm-meta
(description hexpm-meta-description) ;string
(licenses hexpm-meta-licenses "licenses" ;list of strings
(lambda (vector)
(or (and vector (vector->list vector))
#f))))
;; Hexpm package versions.
(define-json-mapping <hexpm-version> make-hexpm-version hexpm-version?
json->hexpm-version
(number hexpm-version-number "version") ;string
(url hexpm-version-url)) ;string
(define (lookup-hexpm name)
"Look up NAME on hex.pm and return the corresopnding <hexpm> record
or #f if it was not found."
(and=> (json-fetch (package-url name))
json->hexpm))
;;
;; Hexpm release. /packages/${name}/releases/${version}
;; https://github.com/hexpm/specifications/blob/master/apiary.apib#Release
;;
(define-json-mapping <hexpm-release> make-hexpm-release hexpm-release?
json->hexpm-release
(version hexpm-release-version) ; string
(url hexpm-release-url) ; string
(meta hexpm-release-meta "meta" json->hexpm-release-meta)
;; Specification names the next fields "dependencies", but in practice it is
;; "requirements".
(dependencies hexpm-requirements "requirements")) ; list of <hexpm-dependency>
;; Hexpm release meta.
;; https://github.com/hexpm/specifications/blob/main/package_metadata.md
(define-json-mapping <hexpm-release-meta>
make-hexpm-release-meta hexpm-release-meta?
json->hexpm-release-meta
(app hexpm-release-meta-app) ; string
(elixir hexpm-release-meta-elixir) ; string
(build-tools hexpm-release-meta-build-tools "build_tools" ; list of strings
(lambda (vector)
(or (and vector (vector->list vector))
(list)))))
;; Hexpm dependency. Each requirement has information about the required
;; version, such as "~> 2.1.2" or ">= 2.1.2 and < 2.2.0", see
;; <https://hexdocs.pm/elixir/Version.html#module-requirements>, and whether
;; the dependency is optional.
(define-json-mapping <hexpm-dependency> make-hexpm-dependency
hexpm-dependency?
json->hexpm-dependency
(name hexpm-dependency-name "app") ; string
(requirement hexpm-dependency-requirement) ; string
(optional hexpm-dependency-optional)) ; bool
(define (hexpm-release-dependencies release)
"Return the list of dependency names of RELEASE, a <hexpm-release>."
(let ((reqs (or (hexpm-requirements release) '#())))
(map first reqs))) ;; TODO: also return required version
(define (lookup-hexpm-release version*)
"Look up RELEASE on hexpm-version-url and return the corresopnding
<hexpm-release> record or #f if it was not found."
(and=> (json-fetch (hexpm-version-url version*))
json->hexpm-release))
;;;
;;; Converting hex.pm packages to Guix packages.
;;;
(define (maybe-inputs package-inputs input-type)
"Given a list of PACKAGE-INPUTS, tries to generate the 'inputs' field of a
package definition. INPUT-TYPE, a symbol, is used to populate the name of
the input field."
(match package-inputs
(()
'())
((package-inputs ...)
`((,input-type (list ,@package-inputs))))))
(define (dependencies->package-names names)
"Given a list of hexpm package NAMES, returns a list of guix package names
as symbols."
;; TODO: Base name on language of dependency.
;; The language used for implementing the dependency is not know without
;; recursing the dependencies. So for now assume more packages are based on
;; Erlang and prefix all dependencies with "erlang-" (the default).
(map string->symbol
(map hexpm-name->package-name
(sort names string-ci<?))))
(define* (make-hexpm-sexp #:key name version tarball-url
home-page synopsis description license
language build-system dependencies
#:allow-other-keys)
"Return the `package' s-expression for a hexpm package with the given NAME,
VERSION, TARBALL-URL, HOME-PAGE, SYNOPSIS, DESCRIPTION, and LICENSE. The
created package's name will stem from LANGUAGE. BUILD-SYSTEM defined the
build-system, and DEPENDENCIES the inputs for the package."
(call-with-temporary-output-file
(lambda (temp port)
(and (url-fetch tarball-url temp)
(values
`(package
(name ,(hexpm-name->package-name name language))
(version ,version)
(source (origin
(method url-fetch)
(uri (hexpm-uri ,name version))
(sha256 (base32 ,(guix-hash-url temp)))))
(build-system ,build-system)
,@(maybe-inputs (dependencies->package-names dependencies) 'inputs)
(synopsis ,synopsis)
(description ,(beautify-description description))
(home-page ,(match home-page
(() "")
(_ home-page)))
(license ,(match license
(() #f)
((license) license)
(_ `(list ,@license))))))))))
(define (strings->licenses strings)
"Convert the list of STRINGS into a list of license objects."
(filter-map (lambda (license)
(and (not (string-null? license))
(not (any (lambda (elem) (string=? elem license))
'("AND" "OR" "WITH")))
(or (spdx-string->license license)
license)))
strings))
(define (hexpm-latest-release package)
"Return the version string for the latest stable release of PACKAGE."
;; Use latest-stable if specified (see comment in hexpm-pkgdef above),
;; otherwise compare the lists of release versions.
(let ((latest-stable (hexpm-latest-stable package)))
(if (not (unspecified? latest-stable))
latest-stable
(let ((versions (map hexpm-version-number (hexpm-versions package))))
(fold (lambda (a b)
(if (version>? a b) a b)) (car versions) versions)))))
(define* (hexpm->guix-package package-name #:key repo version)
"Fetch the metadata for PACKAGE-NAME from hexpms.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 PACKAGE-NAME."
(define package
(lookup-hexpm package-name))
(define version-number
(and package
(or version
(hexpm-latest-release package))))
(define version*
(and package
(find (lambda (version)
(string=? (hexpm-version-number version)
version-number))
(hexpm-versions package))))
(define release
(and package version*
(lookup-hexpm-release version*)))
(define release-meta
(and package version*
(hexpm-release-meta release)))
(define build-system
(and package version*
(let ((build-tools (hexpm-release-meta-build-tools release-meta)))
(cond
((member "rebar3" build-tools) 'rebar-build-system)
((member "mix" build-tools) 'mix-build-system)
((member "make" build-tools) 'gnu-build-system)
(else #f)))))
(define language
(and package version*
(let ((elixir (hexpm-release-meta-elixir release-meta)))
(cond
((and (string? elixir) (not (string-null? elixir))) "elixir")
(else "erlang")))))
(and package version*
(let ((dependencies (hexpm-release-dependencies release))
(pkg-meta (hexpm-meta package))
(docs-html-url (hexpm-docs-html-url package)))
(values
(make-hexpm-sexp
#:language language
#:build-system build-system
#:name package-name
#:version version-number
#:dependencies dependencies
#:home-page (or (and (not (eq? docs-html-url 'null))
docs-html-url)
;; TODO: Homepage?
(hexpm-html-url package))
#:synopsis (hexpm-meta-description pkg-meta)
#:description (hexpm-meta-description pkg-meta)
#:license (or (and=> (hexpm-meta-licenses pkg-meta)
strings->licenses))
#:tarball-url (hexpm-uri package-name version-number))
dependencies))))
(define* (hexpm-recursive-import pkg-name #:optional version)
(recursive-import pkg-name
#:version version
#:repo->guix-package hexpm->guix-package
#:guix-name hexpm-name->package-name))
(define (guix-package->hexpm-name package)
"Return the hex.pm name of PACKAGE."
(define (url->hexpm-name url)
(hyphen-package-name->name+version
(basename (file-sans-extension url))))
(match (and=> (package-source package) origin-uri)
((? string? url)
(url->hexpm-name url))
((lst ...)
(any url->hexpm-name lst))
(#f #f)))
(define* (hexpm-name->package-name name #:optional (language "erlang"))
(string-append language "-" (string-join (string-split name #\_) "-")))
;;;
;;; Updater
;;;
(define (latest-release package)
"Return an <upstream-source> for the latest release of PACKAGE."
(let* ((hexpm-name (guix-package->hexpm-name package))
(hexpm (lookup-hexpm hexpm-name))
(version (hexpm-latest-release hexpm))
(url (hexpm-uri hexpm-name version)))
(upstream-source
(package (package-name package))
(version version)
(urls (list url)))))
(define %hexpm-updater
(upstream-updater
(name 'hexpm)
(description "Updater for hex.pm packages")
(pred (url-prefix-predicate hexpm-package-url))
(latest latest-release)))

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@ -50,7 +50,7 @@
(define importers '("gnu" "pypi" "cpan" "hackage" "stackage" "egg" "elpa" (define importers '("gnu" "pypi" "cpan" "hackage" "stackage" "egg" "elpa"
"gem" "go" "cran" "crate" "texlive" "json" "opam" "gem" "go" "cran" "crate" "texlive" "json" "opam"
"minetest" "elm")) "minetest" "elm" "hexpm"))
(define (resolve-importer name) (define (resolve-importer name)
(let ((module (resolve-interface (let ((module (resolve-interface

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@ -0,0 +1,105 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2020, 2022 Hartmut Goebel <h.goebel@crazy-compilers.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 scripts import hexpm)
#:use-module (guix ui)
#:use-module (guix utils)
#:use-module (guix scripts)
#:use-module (guix import hexpm)
#:use-module (guix scripts import)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-37)
#:use-module (srfi srfi-71)
#:use-module (ice-9 match)
#:use-module (ice-9 format)
#:export (guix-import-hexpm))
;;;
;;; Command-line options.
;;;
(define %default-options
'())
(define (show-help)
(display (G_ "Usage: guix import hexpm PACKAGE-NAME
Import and convert the hex.pm package for PACKAGE-NAME.\n"))
(display (G_ "
-h, --help display this help and exit"))
(display (G_ "
-V, --version display version information and exit"))
(newline)
(display (G_ "
-r, --recursive import packages recursively"))
(newline)
(show-bug-report-information))
(define %options
;; Specification of the command-line options.
(cons* (option '(#\h "help") #f #f
(lambda args
(show-help)
(exit 0)))
(option '(#\V "version") #f #f
(lambda args
(show-version-and-exit "guix import hexpm")))
(option '(#\r "recursive") #f #f
(lambda (opt name arg result)
(alist-cons 'recursive #t result)))
%standard-import-options))
;;;
;;; Entry point.
;;;
(define (guix-import-hexpm . args)
(define (parse-options)
;; Return the alist of option values.
(parse-command-line args %options (list %default-options)
#:build-options? #f))
(let* ((opts (parse-options))
(args (filter-map (match-lambda
(('argument . value)
value)
(_ #f))
(reverse opts))))
(match args
((spec)
(with-error-handling
(let ((name version (package-name->name+version spec)))
(if (assoc-ref opts 'recursive)
;; Recursive import
(map (match-lambda
((and ('package ('name name) . rest) pkg)
`(define-public ,(string->symbol name)
,pkg))
(_ #f))
(hexpm-recursive-import name version))
;; Single import
(let ((sexp (hexpm->guix-package name #:version version)))
(unless sexp
(leave (G_ "failed to download meta-data for package '~a'~%")
spec))
sexp)))))
(()
(leave (G_ "too few arguments~%")))
((many ...)
(leave (G_ "too many arguments~%"))))))

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@ -464,6 +464,7 @@ SOURCE, an <upstream-source>."
#:key-download key-download))) #:key-download key-download)))
(values version tarball source)))))) (values version tarball source))))))
(define* (package-update/git-fetch store package source #:key key-download) (define* (package-update/git-fetch store package source #:key key-download)
"Return the version, checkout, and SOURCE, to update PACKAGE to "Return the version, checkout, and SOURCE, to update PACKAGE to
SOURCE, an <upstream-source>." SOURCE, an <upstream-source>."

253
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@ -0,0 +1,253 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2022 Hartmut Goebel <h.goebel@crazy-compilers.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 (test-hexpm)
#:use-module (guix import hexpm)
#:use-module (guix base32)
#:use-module (gcrypt hash)
#:use-module (guix tests)
#:use-module (srfi srfi-64)
#:use-module (ice-9 binary-ports)
#:use-module (ice-9 match))
(define test-bla-package
"{\"name\": \"bla\",
\"html_url\": \"https://hex.pm/packages/bla\",
\"docs_html_url\": null,
\"meta\": {
\"description\": \"A cool package\",
\"licenses\": [\"MIT\", \"Apache-2.0\"]
},
\"releases\": [
{\"url\": \"https://hex.pm/api/packages/bla/releases/1.5.0\",
\"version\": \"1.5.0\"},
{\"url\": \"https://hex.pm/api/packages/bla/releases/1.4.7\",
\"version\": \"1.4.7\"}
]
}")
(define test-bla-release
"{
\"version\": \"1.5.0\",
\"url\": \"https://hex.pm/api/packages/bla/releases/1.5.0\",
\"requirements\": {
\"blubb\":{\"app\": \"blubb\",
\"optional\": false,
\"requirement\": \"~>0.3\"
},
\"fasel\":{\"app\": \"fasel\",
\"optional\": false,
\"requirement\": \"~>1.0\"
}
},
\"meta\":{ \"build_tools\":[\"mix\", \"make\", \"rebar3\"] }
}")
(define test-blubb-package
"{\"name\": \"blubb\",
\"latest_stable_version\": \"0.3.1\",
\"latest_version\": \"0.3.1\",
\"html_url\": \"https://hex.pm/packages/blubb\",
\"docs_html_url\": null,
\"meta\": {
\"description\": \"Another cool package\",
\"licenses\": [\"MIT\"]
},
\"releases\": [
{\"url\": \"https://hex.pm/api/packages/blubb/releases/0.3.1\",
\"version\": \"0.3.1\"},
{\"url\": \"https://hex.pm/api/packages/blubb/releases/0.3.0\",
\"version\": \"0.3.0\"}
]
}")
(define test-blubb-release
"{
\"version\": \"0.3.1\",
\"url\": \"https://hex.pm/api/packages/blubb/releases/0.3.1\",
\"requirements\": {
\"fasel\":{\"app\": \"fasel\",
\"optional\": false,
\"requirement\": \"~>1.0\"
}
},
\"meta\": { \"build_tools\":[\"mix\"] }
}")
(define test-fasel-package
"{\"name\": \"fasel\",
\"latest_stable_version\": \"1.2.1\",
\"latest_version\": \"1.2.1\",
\"html_url\": \"https://hex.pm/packages/fasel\",
\"docs_html_url\": null,
\"meta\": {
\"description\": \"Yet another cool package\",
\"licenses\": [\"GPL\"]
},
\"releases\": [
{\"url\": \"https://hex.pm/api/packages/fasel/releases/1.2.1\",
\"version\": \"1.2.1\"}
]
}")
(define test-fasel-release
"{
\"version\": \"1.2.1\",
\"url\": \"https://hex.pm/api/packages/fasel/releases/1.2.1\",
\"requirements\" :{},
\"meta\":{ \"build_tools\":[\"make\"] }
}")
(test-begin "hexpm")
(test-assert "hexpm->guix-package"
;; Replace network resources with sample data.
(mock ((guix http-client) http-fetch
(lambda (url . rest)
(match url
("https://hex.pm/api/packages/bla"
(values (open-input-string test-bla-package)
(string-length test-bla-package)))
("https://hex.pm/api/packages/bla/releases/1.5.0"
(values (open-input-string test-bla-release)
(string-length test-bla-release)))
(_ (error "http-fetch got unexpected URL: " url)))))
(mock ((guix build download) url-fetch
(lambda* (url file-name
#:key
(mirrors '()) verify-certificate?)
(with-output-to-file file-name
(lambda ()
(display
(match url
("https://repo.hex.pm/tarballs/bla-1.5.0.tar"
"source")
(_ (error "url-fetch got unexpected URL: " url))))))))
(match (hexpm->guix-package "bla")
(('package
('name "erlang-bla")
('version "1.5.0")
('source
('origin
('method 'url-fetch)
('uri ('hexpm-uri "bla" 'version))
('sha256
('base32
"0zcl4dgcmqwl1g5xb901pd6dz61r1xgmac9mqlwvh022paa6gks1"))))
('build-system 'rebar-build-system)
('inputs ('list 'erlang-blubb 'erlang-fasel))
('synopsis "A cool package")
('description "This package provides a cool package")
('home-page "https://hex.pm/packages/bla")
('license ('list 'license:expat 'license:asl2.0)))
#t)
(x
(pk 'fail x #f))))))
(test-assert "hexpm-recursive-import"
;; Replace network resources with sample data.
(mock ((guix http-client) http-fetch
(lambda (url . rest)
(match url
("https://hex.pm/api/packages/bla"
(values (open-input-string test-bla-package)
(string-length test-bla-package)))
("https://hex.pm/api/packages/bla/releases/1.5.0"
(values (open-input-string test-bla-release)
(string-length test-bla-release)))
("https://hex.pm/api/packages/blubb"
(values (open-input-string test-blubb-package)
(string-length test-blubb-package)))
("https://hex.pm/api/packages/blubb/releases/0.3.1"
(values (open-input-string test-blubb-release)
(string-length test-blubb-release)))
("https://hex.pm/api/packages/fasel"
(values (open-input-string test-fasel-package)
(string-length test-fasel-package)))
("https://hex.pm/api/packages/fasel/releases/1.2.1"
(values (open-input-string test-fasel-release)
(string-length test-fasel-release)))
(_ (error "http-fetch got unexpected URL: " url)))))
(mock ((guix build download) url-fetch
(lambda* (url file-name
#:key
(mirrors '()) verify-certificate?)
(with-output-to-file file-name
(lambda ()
(display
(match url
("https://repo.hex.pm/tarballs/bla-1.5.0.tar"
"bla-source")
("https://repo.hex.pm/tarballs/blubb-0.3.1.tar"
"blubb-source")
("https://repo.hex.pm/tarballs/fasel-1.2.1.tar"
"fasel-source")
(_ (error "url-fetch got unexpected URL: " url))))))))
(match (hexpm-recursive-import "bla")
((('package
('name "erlang-blubb")
('version "0.3.1")
('source
('origin
('method 'url-fetch)
('uri ('hexpm-uri "blubb" 'version))
('sha256
('base32
"17y88b5y8ld7s1c2bcwwwa04pf1cl4402i9zk3inna221ps3ppj2"))))
('build-system 'mix-build-system)
('inputs ('list 'erlang-fasel))
('synopsis "Another cool package")
('description "Another cool package")
('home-page "https://hex.pm/packages/blubb")
('license 'license:expat))
('package
('name "erlang-fasel")
('version "1.2.1")
('source
('origin
('method 'url-fetch)
('uri ('hexpm-uri "fasel" 'version))
('sha256
('base32
"1k6d70mxwqgq78jrbr7yqnw187yki74jnagybi7nacrj4a67qjha"))))
('build-system 'gnu-build-system)
('synopsis "Yet another cool package")
('description "Yet another cool package")
('home-page "https://hex.pm/packages/fasel")
('license "GPL"))
('package
('name "erlang-bla")
('version "1.5.0")
('source
('origin
('method 'url-fetch)
('uri ('hexpm-uri "bla" 'version))
('sha256
('base32
"0d3gj746c4swbb1m6ycylxb239jsavvdcizag6bfbg2aqccxwij8"))))
('build-system 'rebar-build-system)
('inputs ('list 'erlang-blubb 'erlang-fasel))
('synopsis "A cool package")
('description "This package provides a cool package")
('home-page "https://hex.pm/packages/bla")
('license ('list 'license:expat 'license:asl2.0))))
#t)
(x
(pk 'fail x #f))))))
(test-end "hexpm")