From 0d9f1f15cb0ce1e71943bff9a68e6839d0eae497 Mon Sep 17 00:00:00 2001 From: Hartmut Goebel Date: Fri, 4 Mar 2022 19:32:32 +0100 Subject: [PATCH] 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. --- Makefile.am | 2 + doc/guix.texi | 29 ++- guix/build-system/rebar.scm | 21 +- guix/import/hexpm.scm | 347 ++++++++++++++++++++++++++++++++++ guix/scripts/import.scm | 2 +- guix/scripts/import/hexpm.scm | 105 ++++++++++ guix/upstream.scm | 1 + tests/hexpm.scm | 253 +++++++++++++++++++++++++ 8 files changed, 755 insertions(+), 5 deletions(-) create mode 100644 guix/import/hexpm.scm create mode 100644 guix/scripts/import/hexpm.scm create mode 100644 tests/hexpm.scm diff --git a/Makefile.am b/Makefile.am index 5a496aeeb3..ade53866b3 100644 --- a/Makefile.am +++ b/Makefile.am @@ -275,6 +275,7 @@ MODULES = \ guix/import/gnu.scm \ guix/import/go.scm \ guix/import/hackage.scm \ + guix/import/hexpm.scm \ guix/import/json.scm \ guix/import/kde.scm \ guix/import/launchpad.scm \ @@ -326,6 +327,7 @@ MODULES = \ guix/scripts/import/gnu.scm \ guix/scripts/import/go.scm \ guix/scripts/import/hackage.scm \ + guix/scripts/import/hexpm.scm \ guix/scripts/import/json.scm \ guix/scripts/import/minetest.scm \ guix/scripts/import/opam.scm \ diff --git a/doc/guix.texi b/doc/guix.texi index 826e83007f..749b2236b5 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -48,7 +48,7 @@ Copyright @copyright{} 2017 Thomas Danckaert@* Copyright @copyright{} 2017 humanitiesNerd@* Copyright @copyright{} 2017, 2021 Christine Lemmer-Webber@* 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{} 2017–2022 Tobias Geerinckx-Rice@* Copyright @copyright{} 2017 George Clemmer@* @@ -13453,6 +13453,33 @@ guix import egg arrays@@1.0 @end example 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 @item --recursive @itemx -r diff --git a/guix/build-system/rebar.scm b/guix/build-system/rebar.scm index 8a8fb7708c..6ca5abe4d6 100644 --- a/guix/build-system/rebar.scm +++ b/guix/build-system/rebar.scm @@ -26,20 +26,35 @@ #:use-module (guix search-paths) #:use-module (guix build-system) #:use-module (guix build-system gnu) - #:use-module ((guix hexpm-download) #:select (hexpm-uri) #:prefix dl:) #:use-module (ice-9 match) #:use-module (srfi srfi-26) #:export (hexpm-uri + hexpm-package-url %rebar-build-system-modules rebar-build 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. ;; -(define hexpm-uri dl:hexpm-uri) - (define %rebar-build-system-modules ;; Build-side modules imported by default. `((guix build rebar-build-system) diff --git a/guix/import/hexpm.scm b/guix/import/hexpm.scm new file mode 100644 index 0000000000..2a7a9f3d82 --- /dev/null +++ b/guix/import/hexpm.scm @@ -0,0 +1,347 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2015 Cyril Roelandt +;;; Copyright © 2016 David Craven +;;; Copyright © 2017, 2019-2021 Ludovic Courtès +;;; Copyright © 2019 Martin Becze +;;; Copyright © 2019 Maxim Cournoyer +;;; Copyright © 2020-2022 Hartmut Goebel +;;; +;;; 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 . + +(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/${name} +;; https://github.com/hexpm/specifications/blob/master/apiary.apib#Package +;; +;; Each package can have several "releases", each of which has its own set of +;; requirements, build-tool, etc. - see below. +(define-json-mapping make-hexpm-pkgdef hexpm-pkgdef? + json->hexpm + (name hexpm-name) ; string + (html-url hexpm-html-url "html_url") ; string + (docs-html-url hexpm-docs-html-url "docs_html_url") ; string | 'null + (meta hexpm-meta "meta" json->hexpm-meta) + (versions hexpm-versions "releases" ; list of + (lambda (vector) + (map json->hexpm-version + (vector->list vector)))) + ;; "latest_version" and "latest_stable_version" are not named in the + ;; specification, butt seen in practice. + (latest-version hexpm-latest-version "latest_version") ; string + (latest-stable hexpm-latest-stable "latest_stable_version")) ; string + +;; Hexpm package metadata. +(define-json-mapping make-hexpm-meta hexpm-meta? + json->hexpm-meta + (description hexpm-meta-description) ;string + (licenses hexpm-meta-licenses "licenses" ;list of strings + (lambda (vector) + (or (and vector (vector->list vector)) + #f)))) + +;; Hexpm package versions. +(define-json-mapping make-hexpm-version hexpm-version? + json->hexpm-version + (number hexpm-version-number "version") ;string + (url hexpm-version-url)) ;string + + +(define (lookup-hexpm name) + "Look up NAME on hex.pm and return the corresopnding record +or #f if it was not found." + (and=> (json-fetch (package-url name)) + json->hexpm)) + +;; +;; Hexpm release. /packages/${name}/releases/${version} +;; https://github.com/hexpm/specifications/blob/master/apiary.apib#Release +;; +(define-json-mapping 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 release meta. +;; https://github.com/hexpm/specifications/blob/main/package_metadata.md +(define-json-mapping + 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 +;; , and whether +;; the dependency is optional. +(define-json-mapping 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 ." + (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 + 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-cipackage-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 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))) diff --git a/guix/scripts/import.scm b/guix/scripts/import.scm index 62aa7bdbc5..71ab4b4fed 100644 --- a/guix/scripts/import.scm +++ b/guix/scripts/import.scm @@ -50,7 +50,7 @@ (define importers '("gnu" "pypi" "cpan" "hackage" "stackage" "egg" "elpa" "gem" "go" "cran" "crate" "texlive" "json" "opam" - "minetest" "elm")) + "minetest" "elm" "hexpm")) (define (resolve-importer name) (let ((module (resolve-interface diff --git a/guix/scripts/import/hexpm.scm b/guix/scripts/import/hexpm.scm new file mode 100644 index 0000000000..eb9a1b0af5 --- /dev/null +++ b/guix/scripts/import/hexpm.scm @@ -0,0 +1,105 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2020, 2022 Hartmut Goebel +;;; +;;; 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 . + +(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~%")))))) diff --git a/guix/upstream.scm b/guix/upstream.scm index 6666803a92..b0f77fb7d0 100644 --- a/guix/upstream.scm +++ b/guix/upstream.scm @@ -464,6 +464,7 @@ SOURCE, an ." #:key-download key-download))) (values version tarball source)))))) + (define* (package-update/git-fetch store package source #:key key-download) "Return the version, checkout, and SOURCE, to update PACKAGE to SOURCE, an ." diff --git a/tests/hexpm.scm b/tests/hexpm.scm new file mode 100644 index 0000000000..e9f899f166 --- /dev/null +++ b/tests/hexpm.scm @@ -0,0 +1,253 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2022 Hartmut Goebel +;;; +;;; 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 . + +(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")