1339 lines
51 KiB
Scheme
1339 lines
51 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2014 Cyril Roelandt <tipecaml@gmail.com>
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;;; Copyright © 2014, 2015 Eric Bavier <bavier@member.fsf.org>
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;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2015, 2016 Mathieu Lirzin <mthl@gnu.org>
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;;; Copyright © 2016 Danny Milosavljevic <dannym+a@scratchpost.org>
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;;; Copyright © 2016 Hartmut Goebel <h.goebel@crazy-compilers.com>
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;;; Copyright © 2017 Alex Kost <alezost@gmail.com>
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;;; Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr>
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;;; Copyright © 2017, 2018 Efraim Flashner <efraim@flashner.co.il>
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;;; Copyright © 2018, 2019 Arun Isaac <arunisaac@systemreboot.net>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix lint)
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#:use-module ((guix store) #:hide (close-connection))
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#:use-module (guix base32)
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#:use-module (guix diagnostics)
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#:use-module (guix download)
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#:use-module (guix ftp-client)
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#:use-module (guix http-client)
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#:use-module (guix packages)
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#:use-module (guix i18n)
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#:use-module (guix licenses)
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#:use-module (guix records)
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#:use-module (guix grafts)
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#:use-module (guix upstream)
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#:use-module (guix utils)
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#:use-module (guix memoization)
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#:use-module (guix scripts)
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#:use-module ((guix ui) #:select (texi->plain-text fill-paragraph))
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#:use-module (guix gnu-maintenance)
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#:use-module (guix cve)
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#:use-module ((guix swh) #:hide (origin?))
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#:autoload (guix git-download) (git-reference?)
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#:use-module (ice-9 match)
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#:use-module (ice-9 regex)
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#:use-module (ice-9 format)
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#:use-module (web client)
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#:use-module (web uri)
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#:use-module ((guix build download)
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#:select (maybe-expand-mirrors
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(open-connection-for-uri
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. guix:open-connection-for-uri)
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close-connection))
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#:use-module (web request)
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#:use-module (web response)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-6) ;Unicode string ports
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#:use-module (srfi srfi-9)
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#:use-module (srfi srfi-11)
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#:use-module (srfi srfi-26)
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#:use-module (srfi srfi-34)
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#:use-module (srfi srfi-35)
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#:use-module (ice-9 rdelim)
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#:export (check-description-style
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check-inputs-should-be-native
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check-inputs-should-not-be-an-input-at-all
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check-patch-file-names
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check-synopsis-style
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check-derivation
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check-home-page
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check-source
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check-source-file-name
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check-source-unstable-tarball
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check-mirror-url
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check-github-url
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check-license
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check-vulnerabilities
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check-for-updates
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check-formatting
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check-archival
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lint-warning
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lint-warning?
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lint-warning-package
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lint-warning-message
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lint-warning-message-text
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lint-warning-message-data
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lint-warning-location
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%local-checkers
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%network-dependent-checkers
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%all-checkers
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lint-checker
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lint-checker?
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lint-checker-name
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lint-checker-description
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lint-checker-check))
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;;;
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;;; Warnings
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;;;
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(define-record-type* <lint-warning>
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lint-warning make-lint-warning
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lint-warning?
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(package lint-warning-package)
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(message-text lint-warning-message-text)
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(message-data lint-warning-message-data
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(default '()))
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(location lint-warning-location
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(default #f)))
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(define (lint-warning-message warning)
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(apply format #f
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(G_ (lint-warning-message-text warning))
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(lint-warning-message-data warning)))
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(define (package-file package)
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(location-file
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(package-location package)))
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(define* (%make-warning package message-text
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#:optional (message-data '())
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#:key field location)
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(make-lint-warning
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package
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message-text
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message-data
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(or location
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(package-field-location package field)
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(package-location package))))
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(define-syntax make-warning
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(syntax-rules (G_)
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((_ package (G_ message) rest ...)
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(%make-warning package message rest ...))))
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;;;
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;;; Checkers
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;;;
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(define-record-type* <lint-checker>
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lint-checker make-lint-checker
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lint-checker?
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;; TODO: add a 'certainty' field that shows how confident we are in the
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;; checker. Then allow users to only run checkers that have a certain
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;; 'certainty' level.
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(name lint-checker-name)
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(description lint-checker-description)
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(check lint-checker-check))
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(define (properly-starts-sentence? s)
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(string-match "^[(\"'`[:upper:][:digit:]]" s))
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(define (starts-with-abbreviation? s)
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"Return #t if S starts with what looks like an abbreviation or acronym."
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(string-match "^[A-Z][A-Z0-9]+\\>" s))
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(define %quoted-identifier-rx
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;; A quoted identifier, like 'this'.
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(make-regexp "['`][[:graph:]]+'"))
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(define (check-description-style package)
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;; Emit a warning if stylistic issues are found in the description of PACKAGE.
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(define (check-not-empty description)
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(if (string-null? description)
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(list
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(make-warning package
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(G_ "description should not be empty")
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#:field 'description))
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'()))
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(define (check-texinfo-markup description)
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"Check that DESCRIPTION can be parsed as a Texinfo fragment. If the
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markup is valid return a plain-text version of DESCRIPTION, otherwise #f."
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(catch #t
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(lambda () (texi->plain-text description))
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(lambda (keys . args)
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(make-warning package
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(G_ "Texinfo markup in description is invalid")
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#:field 'description))))
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(define (check-trademarks description)
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"Check that DESCRIPTION does not contain '™' or '®' characters. See
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http://www.gnu.org/prep/standards/html_node/Trademarks.html."
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(match (string-index description (char-set #\™ #\®))
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((and (? number?) index)
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(list
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(make-warning package
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(G_ "description should not contain ~
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trademark sign '~a' at ~d")
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(list (string-ref description index) index)
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#:field 'description)))
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(else '())))
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(define (check-quotes description)
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"Check whether DESCRIPTION contains single quotes and suggest @code."
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(if (regexp-exec %quoted-identifier-rx description)
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(list
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(make-warning package
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;; TRANSLATORS: '@code' is Texinfo markup and must be kept
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;; as is.
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(G_ "use @code or similar ornament instead of quotes")
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#:field 'description))
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'()))
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(define (check-proper-start description)
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(if (or (string-null? description)
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(properly-starts-sentence? description)
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(string-prefix-ci? (package-name package) description))
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'()
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(list
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(make-warning
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package
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(G_ "description should start with an upper-case letter or digit")
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#:field 'description))))
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(define (check-end-of-sentence-space description)
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"Check that an end-of-sentence period is followed by two spaces."
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(let ((infractions
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(reverse (fold-matches
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"\\. [A-Z]" description '()
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(lambda (m r)
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;; Filter out matches of common abbreviations.
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(if (find (lambda (s)
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(string-suffix-ci? s (match:prefix m)))
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'("i.e" "e.g" "a.k.a" "resp"))
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r (cons (match:start m) r)))))))
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(if (null? infractions)
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'()
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(list
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(make-warning package
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(G_ "sentences in description should be followed ~
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by two spaces; possible infraction~p at ~{~a~^, ~}")
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(list (length infractions)
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infractions)
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#:field 'description)))))
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(let ((description (package-description package)))
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(if (string? description)
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(append
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(check-not-empty description)
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(check-quotes description)
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(check-trademarks description)
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;; Use raw description for this because Texinfo rendering
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;; automatically fixes end of sentence space.
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(check-end-of-sentence-space description)
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(match (check-texinfo-markup description)
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((and warning (? lint-warning?)) (list warning))
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(plain-description
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(check-proper-start plain-description))))
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(list
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(make-warning package
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(G_ "invalid description: ~s")
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(list description)
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#:field 'description)))))
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(define (package-input-intersection inputs-to-check input-names)
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"Return the intersection between INPUTS-TO-CHECK, the list of input tuples
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of a package, and INPUT-NAMES, a list of package specifications such as
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\"glib:bin\"."
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(match inputs-to-check
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(((labels packages . outputs) ...)
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(filter-map (lambda (package output)
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(and (package? package)
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(let ((input (string-append
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(package-name package)
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(if (> (length output) 0)
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(string-append ":" (car output))
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""))))
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(and (member input input-names)
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input))))
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packages outputs))))
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(define (check-inputs-should-be-native package)
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;; Emit a warning if some inputs of PACKAGE are likely to belong to its
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;; native inputs.
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(let ((inputs (package-inputs package))
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(input-names
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'("pkg-config"
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"cmake"
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"extra-cmake-modules"
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"glib:bin"
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"intltool"
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"itstool"
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"qttools"
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"python-coverage" "python2-coverage"
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||
"python-cython" "python2-cython"
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"python-docutils" "python2-docutils"
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||
"python-mock" "python2-mock"
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"python-nose" "python2-nose"
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"python-pbr" "python2-pbr"
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"python-pytest" "python2-pytest"
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||
"python-pytest-cov" "python2-pytest-cov"
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"python-setuptools-scm" "python2-setuptools-scm"
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"python-sphinx" "python2-sphinx")))
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(map (lambda (input)
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(make-warning
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package
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(G_ "'~a' should probably be a native input")
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(list input)
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#:field 'inputs))
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(package-input-intersection inputs input-names))))
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(define (check-inputs-should-not-be-an-input-at-all package)
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;; Emit a warning if some inputs of PACKAGE are likely to should not be
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;; an input at all.
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(let ((input-names '("python-setuptools"
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"python2-setuptools"
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"python-pip"
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"python2-pip")))
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(map (lambda (input)
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(make-warning
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package
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(G_ "'~a' should probably not be an input at all")
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(list input)
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#:field 'inputs))
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(package-input-intersection (package-direct-inputs package)
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input-names))))
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(define (package-name-regexp package)
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"Return a regexp that matches PACKAGE's name as a word at the beginning of a
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line."
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(make-regexp (string-append "^" (regexp-quote (package-name package))
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"\\>")
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regexp/icase))
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(define (check-synopsis-style package)
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;; Emit a warning if stylistic issues are found in the synopsis of PACKAGE.
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(define (check-final-period synopsis)
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;; Synopsis should not end with a period, except for some special cases.
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(if (and (string-suffix? "." synopsis)
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(not (string-suffix? "etc." synopsis)))
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||
(list
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(make-warning package
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(G_ "no period allowed at the end of the synopsis")
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#:field 'synopsis))
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'()))
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(define check-start-article
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;; Skip this check for GNU packages, as suggested by Karl Berry's reply to
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;; <http://lists.gnu.org/archive/html/bug-womb/2014-11/msg00000.html>.
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(if (false-if-exception (gnu-package? package))
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(const '())
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(lambda (synopsis)
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(if (or (string-prefix-ci? "A " synopsis)
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(string-prefix-ci? "An " synopsis))
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||
(list
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||
(make-warning package
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||
(G_ "no article allowed at the beginning of \
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the synopsis")
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#:field 'synopsis))
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'()))))
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||
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(define (check-synopsis-length synopsis)
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(if (>= (string-length synopsis) 80)
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(list
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(make-warning package
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(G_ "synopsis should be less than 80 characters long")
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#:field 'synopsis))
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'()))
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(define (check-proper-start synopsis)
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(if (properly-starts-sentence? synopsis)
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'()
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(list
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(make-warning package
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||
(G_ "synopsis should start with an upper-case letter or digit")
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#:field 'synopsis))))
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||
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(define (check-start-with-package-name synopsis)
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(if (and (regexp-exec (package-name-regexp package) synopsis)
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(not (starts-with-abbreviation? synopsis)))
|
||
(list
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||
(make-warning package
|
||
(G_ "synopsis should not start with the package name")
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||
#:field 'synopsis))
|
||
'()))
|
||
|
||
(define (check-texinfo-markup synopsis)
|
||
"Check that SYNOPSIS can be parsed as a Texinfo fragment. If the
|
||
markup is valid return a plain-text version of SYNOPSIS, otherwise #f."
|
||
(catch #t
|
||
(lambda ()
|
||
(texi->plain-text synopsis)
|
||
'())
|
||
(lambda (keys . args)
|
||
(list
|
||
(make-warning package
|
||
(G_ "Texinfo markup in synopsis is invalid")
|
||
#:field 'synopsis)))))
|
||
|
||
(define checks
|
||
(list check-proper-start
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||
check-final-period
|
||
check-start-article
|
||
check-start-with-package-name
|
||
check-synopsis-length
|
||
check-texinfo-markup))
|
||
|
||
(match (package-synopsis package)
|
||
(""
|
||
(list
|
||
(make-warning package
|
||
(G_ "synopsis should not be empty")
|
||
#:field 'synopsis)))
|
||
((? string? synopsis)
|
||
(append-map
|
||
(lambda (proc)
|
||
(proc synopsis))
|
||
checks))
|
||
(invalid
|
||
(list
|
||
(make-warning package
|
||
(G_ "invalid synopsis: ~s")
|
||
(list invalid)
|
||
#:field 'synopsis)))))
|
||
|
||
(define* (probe-uri uri #:key timeout)
|
||
"Probe URI, a URI object, and return two values: a symbol denoting the
|
||
probing status, such as 'http-response' when we managed to get an HTTP
|
||
response from URI, and additional details, such as the actual HTTP response.
|
||
|
||
TIMEOUT is the maximum number of seconds (possibly an inexact number) to wait
|
||
for connections to complete; when TIMEOUT is #f, wait as long as needed."
|
||
(define headers
|
||
'((User-Agent . "GNU Guile")
|
||
(Accept . "*/*")))
|
||
|
||
(let loop ((uri uri)
|
||
(visited '()))
|
||
(match (uri-scheme uri)
|
||
((or 'http 'https)
|
||
(catch #t
|
||
(lambda ()
|
||
(let ((port (guix:open-connection-for-uri
|
||
uri #:timeout timeout))
|
||
(request (build-request uri #:headers headers)))
|
||
(define response
|
||
(dynamic-wind
|
||
(const #f)
|
||
(lambda ()
|
||
(write-request request port)
|
||
(force-output port)
|
||
(read-response port))
|
||
(lambda ()
|
||
(close-connection port))))
|
||
|
||
(case (response-code response)
|
||
((302 ; found (redirection)
|
||
303 ; see other
|
||
307 ; temporary redirection
|
||
308) ; permanent redirection
|
||
(let ((location (response-location response)))
|
||
(if (or (not location) (member location visited))
|
||
(values 'http-response response)
|
||
(loop location (cons location visited))))) ;follow the redirect
|
||
((301) ; moved permanently
|
||
(let ((location (response-location response)))
|
||
;; Return RESPONSE, unless the final response as we follow
|
||
;; redirects is not 200.
|
||
(if location
|
||
(let-values (((status response2)
|
||
(loop location (cons location visited))))
|
||
(case status
|
||
((http-response)
|
||
(values 'http-response
|
||
(if (= 200 (response-code response2))
|
||
response
|
||
response2)))
|
||
(else
|
||
(values status response2))))
|
||
(values 'http-response response)))) ;invalid redirect
|
||
(else
|
||
(values 'http-response response)))))
|
||
(lambda (key . args)
|
||
(case key
|
||
((bad-header bad-header-component)
|
||
;; This can happen if the server returns an invalid HTTP header,
|
||
;; as is the case with the 'Date' header at sqlite.org.
|
||
(values 'invalid-http-response #f))
|
||
((getaddrinfo-error system-error
|
||
gnutls-error tls-certificate-error)
|
||
(values key args))
|
||
(else
|
||
(apply throw key args))))))
|
||
('ftp
|
||
(catch #t
|
||
(lambda ()
|
||
(let ((conn (ftp-open (uri-host uri) #:timeout timeout)))
|
||
(define response
|
||
(dynamic-wind
|
||
(const #f)
|
||
(lambda ()
|
||
(ftp-chdir conn (dirname (uri-path uri)))
|
||
(ftp-size conn (basename (uri-path uri))))
|
||
(lambda ()
|
||
(ftp-close conn))))
|
||
(values 'ftp-response '(ok))))
|
||
(lambda (key . args)
|
||
(case key
|
||
((ftp-error)
|
||
(values 'ftp-response `(error ,@args)))
|
||
((getaddrinfo-error system-error gnutls-error)
|
||
(values key args))
|
||
(else
|
||
(apply throw key args))))))
|
||
(_
|
||
(values 'unknown-protocol #f)))))
|
||
|
||
(define (tls-certificate-error-string args)
|
||
"Return a string explaining the 'tls-certificate-error' arguments ARGS."
|
||
(call-with-output-string
|
||
(lambda (port)
|
||
(print-exception port #f
|
||
'tls-certificate-error args))))
|
||
|
||
(define (validate-uri uri package field)
|
||
"Return #t if the given URI can be reached, otherwise return a warning for
|
||
PACKAGE mentioning the FIELD."
|
||
(let-values (((status argument)
|
||
(probe-uri uri #:timeout 3))) ;wait at most 3 seconds
|
||
(case status
|
||
((http-response)
|
||
(cond ((= 200 (response-code argument))
|
||
(match (response-content-length argument)
|
||
((? number? length)
|
||
;; As of July 2016, SourceForge returns 200 (instead of 404)
|
||
;; with a small HTML page upon failure. Attempt to detect
|
||
;; such malicious behavior.
|
||
(or (> length 1000)
|
||
(make-warning package
|
||
(G_ "URI ~a returned \
|
||
suspiciously small file (~a bytes)")
|
||
(list (uri->string uri)
|
||
length)
|
||
#:field field)))
|
||
(_ #t)))
|
||
((= 301 (response-code argument))
|
||
(if (response-location argument)
|
||
(make-warning package
|
||
(G_ "permanent redirect from ~a to ~a")
|
||
(list (uri->string uri)
|
||
(uri->string
|
||
(response-location argument)))
|
||
#:field field)
|
||
(make-warning package
|
||
(G_ "invalid permanent redirect \
|
||
from ~a")
|
||
(list (uri->string uri))
|
||
#:field field)))
|
||
(else
|
||
(make-warning package
|
||
(G_ "URI ~a not reachable: ~a (~s)")
|
||
(list (uri->string uri)
|
||
(response-code argument)
|
||
(response-reason-phrase argument))
|
||
#:field field))))
|
||
((ftp-response)
|
||
(match argument
|
||
(('ok) #t)
|
||
(('error port command code message)
|
||
(make-warning package
|
||
(G_ "URI ~a not reachable: ~a (~s)")
|
||
(list (uri->string uri)
|
||
code (string-trim-both message))
|
||
#:field field))))
|
||
((getaddrinfo-error)
|
||
(make-warning package
|
||
(G_ "URI ~a domain not found: ~a")
|
||
(list (uri->string uri)
|
||
(gai-strerror (car argument)))
|
||
#:field field))
|
||
((system-error)
|
||
(make-warning package
|
||
(G_ "URI ~a unreachable: ~a")
|
||
(list (uri->string uri)
|
||
(strerror
|
||
(system-error-errno
|
||
(cons status argument))))
|
||
#:field field))
|
||
((tls-certificate-error)
|
||
(make-warning package
|
||
(G_ "TLS certificate error: ~a")
|
||
(list (tls-certificate-error-string argument))
|
||
#:field field))
|
||
((invalid-http-response gnutls-error)
|
||
;; Probably a misbehaving server; ignore.
|
||
#f)
|
||
((unknown-protocol) ;nothing we can do
|
||
#f)
|
||
(else
|
||
(error "internal linter error" status)))))
|
||
|
||
(define (check-home-page package)
|
||
"Emit a warning if PACKAGE has an invalid 'home-page' field, or if that
|
||
'home-page' is not reachable."
|
||
(let ((uri (and=> (package-home-page package) string->uri)))
|
||
(cond
|
||
((uri? uri)
|
||
(match (validate-uri uri package 'home-page)
|
||
((and (? lint-warning? warning) warning)
|
||
(list warning))
|
||
(_ '())))
|
||
((not (package-home-page package))
|
||
(if (or (string-contains (package-name package) "bootstrap")
|
||
(string=? (package-name package) "ld-wrapper"))
|
||
'()
|
||
(list
|
||
(make-warning package
|
||
(G_ "invalid value for home page")
|
||
#:field 'home-page))))
|
||
(else
|
||
(list
|
||
(make-warning package
|
||
(G_ "invalid home page URL: ~s")
|
||
(list (package-home-page package))
|
||
#:field 'home-page))))))
|
||
|
||
(define %distro-directory
|
||
(mlambda ()
|
||
(dirname (search-path %load-path "gnu.scm"))))
|
||
|
||
(define (check-patch-file-names package)
|
||
"Emit a warning if the patches requires by PACKAGE are badly named or if the
|
||
patch could not be found."
|
||
(guard (c ((message-condition? c) ;raised by 'search-patch'
|
||
(list
|
||
;; Use %make-warning, as condition-mesasge is already
|
||
;; translated.
|
||
(%make-warning package (condition-message c)
|
||
#:field 'patch-file-names))))
|
||
(define patches
|
||
(or (and=> (package-source package) origin-patches)
|
||
'()))
|
||
|
||
(append
|
||
(if (every (match-lambda ;patch starts with package name?
|
||
((? string? patch)
|
||
(and=> (string-contains (basename patch)
|
||
(package-name package))
|
||
zero?))
|
||
(_ #f)) ;must be an <origin> or something like that.
|
||
patches)
|
||
'()
|
||
(list
|
||
(make-warning
|
||
package
|
||
(G_ "file names of patches should start with the package name")
|
||
#:field 'patch-file-names)))
|
||
|
||
;; Check whether we're reaching tar's maximum file name length.
|
||
(let ((prefix (string-length (%distro-directory)))
|
||
(margin (string-length "guix-0.13.0-10-123456789/"))
|
||
(max 99))
|
||
(filter-map (match-lambda
|
||
((? string? patch)
|
||
(if (> (+ margin (if (string-prefix? (%distro-directory)
|
||
patch)
|
||
(- (string-length patch) prefix)
|
||
(string-length patch)))
|
||
max)
|
||
(make-warning
|
||
package
|
||
(G_ "~a: file name is too long")
|
||
(list (basename patch))
|
||
#:field 'patch-file-names)
|
||
#f))
|
||
(_ #f))
|
||
patches)))))
|
||
|
||
(define (escape-quotes str)
|
||
"Replace any quote character in STR by an escaped quote character."
|
||
(list->string
|
||
(string-fold-right (lambda (chr result)
|
||
(match chr
|
||
(#\" (cons* #\\ #\"result))
|
||
(_ (cons chr result))))
|
||
'()
|
||
str)))
|
||
|
||
(define official-gnu-packages*
|
||
(mlambda ()
|
||
"A memoizing version of 'official-gnu-packages' that returns the empty
|
||
list when something goes wrong, such as a networking issue."
|
||
(let ((gnus (false-if-exception (official-gnu-packages))))
|
||
(or gnus '()))))
|
||
|
||
(define (check-gnu-synopsis+description package)
|
||
"Make sure that, if PACKAGE is a GNU package, it uses the synopsis and
|
||
descriptions maintained upstream."
|
||
(match (find (lambda (descriptor)
|
||
(string=? (gnu-package-name descriptor)
|
||
(package-name package)))
|
||
(official-gnu-packages*))
|
||
(#f ;not a GNU package, so nothing to do
|
||
'())
|
||
(descriptor ;a genuine GNU package
|
||
(append
|
||
(let ((upstream (gnu-package-doc-summary descriptor))
|
||
(downstream (package-synopsis package)))
|
||
(if (and upstream
|
||
(or (not (string? downstream))
|
||
(not (string=? upstream downstream))))
|
||
(list
|
||
(make-warning package
|
||
(G_ "proposed synopsis: ~s~%")
|
||
(list upstream)
|
||
#:field 'synopsis))
|
||
'()))
|
||
|
||
(let ((upstream (gnu-package-doc-description descriptor))
|
||
(downstream (package-description package)))
|
||
(if (and upstream
|
||
(or (not (string? downstream))
|
||
(not (string=? (fill-paragraph upstream 100)
|
||
(fill-paragraph downstream 100)))))
|
||
(list
|
||
(make-warning
|
||
package
|
||
(G_ "proposed description:~% \"~a\"~%")
|
||
(list (fill-paragraph (escape-quotes upstream) 77 7))
|
||
#:field 'description))
|
||
'()))))))
|
||
|
||
(define (origin-uris origin)
|
||
"Return the list of URIs (strings) for ORIGIN."
|
||
(match (origin-uri origin)
|
||
((? string? uri)
|
||
(list uri))
|
||
((uris ...)
|
||
uris)))
|
||
|
||
(define (check-source package)
|
||
"Emit a warning if PACKAGE has an invalid 'source' field, or if that
|
||
'source' is not reachable."
|
||
(define (warnings-for-uris uris)
|
||
(let loop ((uris uris)
|
||
(warnings '()))
|
||
(match uris
|
||
(()
|
||
(reverse warnings))
|
||
((uri rest ...)
|
||
(match (validate-uri uri package 'source)
|
||
(#t
|
||
;; We found a working URL, so stop right away.
|
||
'())
|
||
((? lint-warning? warning)
|
||
(loop rest (cons warning warnings))))))))
|
||
|
||
(let ((origin (package-source package)))
|
||
(if (and origin
|
||
(eqv? (origin-method origin) url-fetch))
|
||
(let* ((uris (append-map (cut maybe-expand-mirrors <> %mirrors)
|
||
(map string->uri (origin-uris origin))))
|
||
(warnings (warnings-for-uris uris)))
|
||
|
||
;; Just make sure that at least one of the URIs is valid.
|
||
(if (= (length uris) (length warnings))
|
||
;; When everything fails, report all of WARNINGS, otherwise don't
|
||
;; report anything.
|
||
;;
|
||
;; XXX: Ideally we'd still allow warnings to be raised if *some*
|
||
;; URIs are unreachable, but distinguish that from the error case
|
||
;; where *all* the URIs are unreachable.
|
||
(cons*
|
||
(make-warning package
|
||
(G_ "all the source URIs are unreachable:")
|
||
#:field 'source)
|
||
warnings)
|
||
'()))
|
||
'())))
|
||
|
||
(define (check-source-file-name package)
|
||
"Emit a warning if PACKAGE's origin has no meaningful file name."
|
||
(define (origin-file-name-valid? origin)
|
||
;; Return #f if the source file name contains only a version or is #f;
|
||
;; indicates that the origin needs a 'file-name' field.
|
||
(let ((file-name (origin-actual-file-name origin))
|
||
(version (package-version package)))
|
||
(and file-name
|
||
;; Common in many projects is for the filename to start
|
||
;; with a "v" followed by the version,
|
||
;; e.g. "v3.2.0.tar.gz".
|
||
(not (string-match (string-append "^v?" version) file-name)))))
|
||
|
||
(let ((origin (package-source package)))
|
||
(if (or (not origin) (origin-file-name-valid? origin))
|
||
'()
|
||
(list
|
||
(make-warning package
|
||
(G_ "the source file name should contain the package name")
|
||
#:field 'source)))))
|
||
|
||
(define (check-source-unstable-tarball package)
|
||
"Emit a warning if PACKAGE's source is an autogenerated tarball."
|
||
(define (check-source-uri uri)
|
||
(if (and (string=? (uri-host (string->uri uri)) "github.com")
|
||
(match (split-and-decode-uri-path
|
||
(uri-path (string->uri uri)))
|
||
((_ _ "archive" _ ...) #t)
|
||
(_ #f)))
|
||
(make-warning package
|
||
(G_ "the source URI should not be an autogenerated tarball")
|
||
#:field 'source)
|
||
#f))
|
||
|
||
(let ((origin (package-source package)))
|
||
(if (and (origin? origin)
|
||
(eqv? (origin-method origin) url-fetch))
|
||
(filter-map check-source-uri
|
||
(origin-uris origin))
|
||
'())))
|
||
|
||
(define (check-mirror-url package)
|
||
"Check whether PACKAGE uses source URLs that should be 'mirror://'."
|
||
(define (check-mirror-uri uri) ;XXX: could be optimized
|
||
(let loop ((mirrors %mirrors))
|
||
(match mirrors
|
||
(()
|
||
#f)
|
||
(((mirror-id mirror-urls ...) rest ...)
|
||
(match (find (cut string-prefix? <> uri) mirror-urls)
|
||
(#f
|
||
(loop rest))
|
||
(prefix
|
||
(make-warning package
|
||
(G_ "URL should be \
|
||
'mirror://~a/~a'")
|
||
(list mirror-id
|
||
(string-drop uri (string-length prefix)))
|
||
#:field 'source)))))))
|
||
|
||
(let ((origin (package-source package)))
|
||
(if (and (origin? origin)
|
||
(eqv? (origin-method origin) url-fetch))
|
||
(let ((uris (origin-uris origin)))
|
||
(filter-map check-mirror-uri uris))
|
||
'())))
|
||
|
||
(define* (check-github-url package #:key (timeout 3))
|
||
"Check whether PACKAGE uses source URLs that redirect to GitHub."
|
||
(define (follow-redirect url)
|
||
(let* ((uri (string->uri url))
|
||
(port (guix:open-connection-for-uri uri #:timeout timeout))
|
||
(response (http-head uri #:port port)))
|
||
(close-port port)
|
||
(case (response-code response)
|
||
((301 302)
|
||
(uri->string (assoc-ref (response-headers response) 'location)))
|
||
(else #f))))
|
||
|
||
(define (follow-redirects-to-github uri)
|
||
(cond
|
||
((string-prefix? "https://github.com/" uri) uri)
|
||
((string-prefix? "http" uri)
|
||
(and=> (follow-redirect uri) follow-redirects-to-github))
|
||
;; Do not attempt to follow redirects on URIs other than http and https
|
||
;; (such as mirror, file)
|
||
(else #f)))
|
||
|
||
(let ((origin (package-source package)))
|
||
(if (and (origin? origin)
|
||
(eqv? (origin-method origin) url-fetch))
|
||
(filter-map
|
||
(lambda (uri)
|
||
(and=> (follow-redirects-to-github uri)
|
||
(lambda (github-uri)
|
||
(if (string=? github-uri uri)
|
||
#f
|
||
(make-warning
|
||
package
|
||
(G_ "URL should be '~a'")
|
||
(list github-uri)
|
||
#:field 'source)))))
|
||
(origin-uris origin))
|
||
'())))
|
||
|
||
(define (check-derivation package)
|
||
"Emit a warning if we fail to compile PACKAGE to a derivation."
|
||
(define (try system)
|
||
(catch #t
|
||
(lambda ()
|
||
(guard (c ((store-protocol-error? c)
|
||
(make-warning package
|
||
(G_ "failed to create ~a derivation: ~a")
|
||
(list system
|
||
(store-protocol-error-message c))))
|
||
((message-condition? c)
|
||
(make-warning package
|
||
(G_ "failed to create ~a derivation: ~a")
|
||
(list system
|
||
(condition-message c)))))
|
||
(with-store store
|
||
;; Disable grafts since it can entail rebuilds.
|
||
(parameterize ((%graft? #f))
|
||
(package-derivation store package system #:graft? #f)
|
||
|
||
;; If there's a replacement, make sure we can compute its
|
||
;; derivation.
|
||
(match (package-replacement package)
|
||
(#f #t)
|
||
(replacement
|
||
(package-derivation store replacement system
|
||
#:graft? #f)))))))
|
||
(lambda args
|
||
(make-warning package
|
||
(G_ "failed to create ~a derivation: ~s")
|
||
(list system args)))))
|
||
|
||
(filter lint-warning?
|
||
(map try (package-supported-systems package))))
|
||
|
||
(define (check-license package)
|
||
"Warn about type errors of the 'license' field of PACKAGE."
|
||
(match (package-license package)
|
||
((or (? license?)
|
||
((? license?) ...))
|
||
'())
|
||
(x
|
||
(list
|
||
(make-warning package (G_ "invalid license field")
|
||
#:field 'license)))))
|
||
|
||
(define (call-with-networking-fail-safe message error-value proc)
|
||
"Call PROC catching any network-related errors. Upon a networking error,
|
||
display a message including MESSAGE and return ERROR-VALUE."
|
||
(guard (c ((http-get-error? c)
|
||
(warning (G_ "~a: HTTP GET error for ~a: ~a (~s)~%")
|
||
message
|
||
(uri->string (http-get-error-uri c))
|
||
(http-get-error-code c)
|
||
(http-get-error-reason c))
|
||
error-value))
|
||
(catch #t
|
||
proc
|
||
(match-lambda*
|
||
(('getaddrinfo-error errcode)
|
||
(warning (G_ "~a: host lookup failure: ~a~%")
|
||
message
|
||
(gai-strerror errcode))
|
||
error-value)
|
||
(('tls-certificate-error args ...)
|
||
(warning (G_ "~a: TLS certificate error: ~a")
|
||
message
|
||
(tls-certificate-error-string args))
|
||
error-value)
|
||
((and ('system-error _ ...) args)
|
||
(let ((errno (system-error-errno args)))
|
||
(if (member errno (list ECONNRESET ECONNABORTED ECONNREFUSED))
|
||
(let ((details (call-with-output-string
|
||
(lambda (port)
|
||
(print-exception port #f (car args)
|
||
(cdr args))))))
|
||
(warning (G_ "~a: ~a~%") message details)
|
||
error-value)
|
||
(apply throw args))))
|
||
(args
|
||
(apply throw args))))))
|
||
|
||
(define-syntax-rule (with-networking-fail-safe message error-value exp ...)
|
||
(call-with-networking-fail-safe message error-value
|
||
(lambda () exp ...)))
|
||
|
||
(define (current-vulnerabilities*)
|
||
"Like 'current-vulnerabilities', but return the empty list upon networking
|
||
or HTTP errors. This allows network-less operation and makes problems with
|
||
the NIST server non-fatal."
|
||
(with-networking-fail-safe (G_ "while retrieving CVE vulnerabilities")
|
||
'()
|
||
(current-vulnerabilities)))
|
||
|
||
(define package-vulnerabilities
|
||
(let ((lookup (delay (vulnerabilities->lookup-proc
|
||
(current-vulnerabilities*)))))
|
||
(lambda (package)
|
||
"Return a list of vulnerabilities affecting PACKAGE."
|
||
;; First we retrieve the Common Platform Enumeration (CPE) name and
|
||
;; version for PACKAGE, then we can pass them to LOOKUP.
|
||
(let ((name (or (assoc-ref (package-properties package)
|
||
'cpe-name)
|
||
(package-name package)))
|
||
(version (or (assoc-ref (package-properties package)
|
||
'cpe-version)
|
||
(package-version package))))
|
||
((force lookup) name version)))))
|
||
|
||
(define (check-vulnerabilities package)
|
||
"Check for known vulnerabilities for PACKAGE."
|
||
(let ((package (or (package-replacement package) package)))
|
||
(match (package-vulnerabilities package)
|
||
(()
|
||
'())
|
||
((vulnerabilities ...)
|
||
(let* ((patched (package-patched-vulnerabilities package))
|
||
(known-safe (or (assq-ref (package-properties package)
|
||
'lint-hidden-cve)
|
||
'()))
|
||
(unpatched (remove (lambda (vuln)
|
||
(let ((id (vulnerability-id vuln)))
|
||
(or (member id patched)
|
||
(member id known-safe))))
|
||
vulnerabilities)))
|
||
(if (null? unpatched)
|
||
'()
|
||
(list
|
||
(make-warning
|
||
package
|
||
(G_ "probably vulnerable to ~a")
|
||
(list (string-join (map vulnerability-id unpatched)
|
||
", "))))))))))
|
||
|
||
(define (check-for-updates package)
|
||
"Check if there is an update available for PACKAGE."
|
||
(match (with-networking-fail-safe
|
||
(format #f (G_ "while retrieving upstream info for '~a'")
|
||
(package-name package))
|
||
#f
|
||
(package-latest-release* package (force %updaters)))
|
||
((? upstream-source? source)
|
||
(if (version>? (upstream-source-version source)
|
||
(package-version package))
|
||
(list
|
||
(make-warning package
|
||
(G_ "can be upgraded to ~a")
|
||
(list (upstream-source-version source))
|
||
#:field 'version))
|
||
'()))
|
||
(#f '()))) ; cannot find newer upstream release
|
||
|
||
|
||
(define (check-archival package)
|
||
"Check whether PACKAGE's source code is archived on Software Heritage. If
|
||
it's not, and if its source code is a VCS snapshot, then send a \"save\"
|
||
request to Software Heritage.
|
||
|
||
Software Heritage imposes limits on the request rate per client IP address.
|
||
This checker prints a notice and stops doing anything once that limit has been
|
||
reached."
|
||
(define (response->warning url method response)
|
||
(if (request-rate-limit-reached? url method)
|
||
(list (make-warning package
|
||
(G_ "Software Heritage rate limit reached; \
|
||
try again later")
|
||
#:field 'source))
|
||
(list (make-warning package
|
||
(G_ "'~a' returned ~a")
|
||
(list url (response-code response))
|
||
#:field 'source))))
|
||
|
||
(define skip-key (gensym "skip-archival-check"))
|
||
|
||
(define (skip-when-limit-reached url method)
|
||
(or (not (request-rate-limit-reached? url method))
|
||
(throw skip-key #t)))
|
||
|
||
(parameterize ((%allow-request? skip-when-limit-reached))
|
||
(catch #t
|
||
(lambda ()
|
||
(match (and (origin? (package-source package))
|
||
(package-source package))
|
||
(#f ;no source
|
||
'())
|
||
((= origin-uri (? git-reference? reference))
|
||
(define url
|
||
(git-reference-url reference))
|
||
(define commit
|
||
(git-reference-commit reference))
|
||
|
||
(match (if (commit-id? commit)
|
||
(or (lookup-revision commit)
|
||
(lookup-origin-revision url commit))
|
||
(lookup-origin-revision url commit))
|
||
((? revision? revision)
|
||
'())
|
||
(#f
|
||
;; Revision is missing from the archive, attempt to save it.
|
||
(catch 'swh-error
|
||
(lambda ()
|
||
(save-origin (git-reference-url reference) "git")
|
||
(list (make-warning
|
||
package
|
||
;; TRANSLATORS: "Software Heritage" is a proper noun
|
||
;; that must remain untranslated. See
|
||
;; <https://www.softwareheritage.org>.
|
||
(G_ "scheduled Software Heritage archival")
|
||
#:field 'source)))
|
||
(lambda (key url method response . _)
|
||
(cond ((= 429 (response-code response))
|
||
(list (make-warning
|
||
package
|
||
(G_ "archival rate limit exceeded; \
|
||
try again later")
|
||
#:field 'source)))
|
||
(else
|
||
(response->warning url method response))))))))
|
||
((? origin? origin)
|
||
;; Since "save" origins are not supported for non-VCS source, all
|
||
;; we can do is tell whether a given tarball is available or not.
|
||
(if (origin-sha256 origin) ;XXX: for ungoogled-chromium
|
||
(match (lookup-content (origin-sha256 origin) "sha256")
|
||
(#f
|
||
(list (make-warning package
|
||
(G_ "source not archived on Software \
|
||
Heritage")
|
||
#:field 'source)))
|
||
((? content?)
|
||
'()))
|
||
'()))))
|
||
(match-lambda*
|
||
((key url method response)
|
||
(response->warning url method response))
|
||
((key . args)
|
||
(if (eq? key skip-key)
|
||
'()
|
||
(apply throw key args)))))))
|
||
|
||
|
||
;;;
|
||
;;; Source code formatting.
|
||
;;;
|
||
|
||
(define (report-tabulations package line line-number)
|
||
"Warn about tabulations found in LINE."
|
||
(match (string-index line #\tab)
|
||
(#f #f)
|
||
(index
|
||
(make-warning package
|
||
(G_ "tabulation on line ~a, column ~a")
|
||
(list line-number index)
|
||
#:location
|
||
(location (package-file package)
|
||
line-number
|
||
index)))))
|
||
|
||
(define (report-trailing-white-space package line line-number)
|
||
"Warn about trailing white space in LINE."
|
||
(and (not (or (string=? line (string-trim-right line))
|
||
(string=? line (string #\page))))
|
||
(make-warning package
|
||
(G_ "trailing white space on line ~a")
|
||
(list line-number)
|
||
#:location
|
||
(location (package-file package)
|
||
line-number
|
||
0))))
|
||
|
||
(define (report-long-line package line line-number)
|
||
"Emit a warning if LINE is too long."
|
||
;; Note: We don't warn at 80 characters because sometimes hashes and URLs
|
||
;; make it hard to fit within that limit and we want to avoid making too
|
||
;; much noise.
|
||
(and (> (string-length line) 90)
|
||
(make-warning package
|
||
(G_ "line ~a is way too long (~a characters)")
|
||
(list line-number (string-length line))
|
||
#:location
|
||
(location (package-file package)
|
||
line-number
|
||
0))))
|
||
|
||
(define %hanging-paren-rx
|
||
(make-regexp "^[[:blank:]]*[()]+[[:blank:]]*$"))
|
||
|
||
(define (report-lone-parentheses package line line-number)
|
||
"Emit a warning if LINE contains hanging parentheses."
|
||
(and (regexp-exec %hanging-paren-rx line)
|
||
(make-warning package
|
||
(G_ "parentheses feel lonely, \
|
||
move to the previous or next line")
|
||
(list line-number)
|
||
#:location
|
||
(location (package-file package)
|
||
line-number
|
||
0))))
|
||
|
||
(define %formatting-reporters
|
||
;; List of procedures that report formatting issues. These are not separate
|
||
;; checkers because they would need to re-read the file.
|
||
(list report-tabulations
|
||
report-trailing-white-space
|
||
report-long-line
|
||
report-lone-parentheses))
|
||
|
||
(define* (report-formatting-issues package file starting-line
|
||
#:key (reporters %formatting-reporters))
|
||
"Report white-space issues in FILE starting from STARTING-LINE, and report
|
||
them for PACKAGE."
|
||
(define (sexp-last-line port)
|
||
;; Return the last line of the sexp read from PORT or an estimate thereof.
|
||
(define &failure (list 'failure))
|
||
|
||
(let ((start (ftell port))
|
||
(start-line (port-line port))
|
||
(sexp (catch 'read-error
|
||
(lambda () (read port))
|
||
(const &failure))))
|
||
(let ((line (port-line port)))
|
||
(seek port start SEEK_SET)
|
||
(set-port-line! port start-line)
|
||
(if (eq? sexp &failure)
|
||
(+ start-line 60) ;conservative estimate
|
||
line))))
|
||
|
||
(call-with-input-file file
|
||
(lambda (port)
|
||
(let loop ((line-number 1)
|
||
(last-line #f)
|
||
(warnings '()))
|
||
(let ((line (read-line port)))
|
||
(if (or (eof-object? line)
|
||
(and last-line (> line-number last-line)))
|
||
warnings
|
||
(if (and (= line-number starting-line)
|
||
(not last-line))
|
||
(loop (+ 1 line-number)
|
||
(+ 1 (sexp-last-line port))
|
||
warnings)
|
||
(loop (+ 1 line-number)
|
||
last-line
|
||
(append
|
||
warnings
|
||
(if (< line-number starting-line)
|
||
'()
|
||
(filter-map (lambda (report)
|
||
(report package line line-number))
|
||
reporters)))))))))))
|
||
|
||
(define (check-formatting package)
|
||
"Check the formatting of the source code of PACKAGE."
|
||
(let ((location (package-location package)))
|
||
(if location
|
||
(and=> (search-path %load-path (location-file location))
|
||
(lambda (file)
|
||
;; Report issues starting from the line before the 'package'
|
||
;; form, which usually contains the 'define' form.
|
||
(report-formatting-issues package file
|
||
(- (location-line location) 1))))
|
||
'())))
|
||
|
||
|
||
;;;
|
||
;;; List of checkers.
|
||
;;;
|
||
|
||
(define %local-checkers
|
||
(list
|
||
(lint-checker
|
||
(name 'description)
|
||
(description "Validate package descriptions")
|
||
(check check-description-style))
|
||
(lint-checker
|
||
(name 'inputs-should-be-native)
|
||
(description "Identify inputs that should be native inputs")
|
||
(check check-inputs-should-be-native))
|
||
(lint-checker
|
||
(name 'inputs-should-not-be-input)
|
||
(description "Identify inputs that shouldn't be inputs at all")
|
||
(check check-inputs-should-not-be-an-input-at-all))
|
||
(lint-checker
|
||
(name 'license)
|
||
;; TRANSLATORS: <license> is the name of a data type and must not be
|
||
;; translated.
|
||
(description "Make sure the 'license' field is a <license> \
|
||
or a list thereof")
|
||
(check check-license))
|
||
(lint-checker
|
||
(name 'mirror-url)
|
||
(description "Suggest 'mirror://' URLs")
|
||
(check check-mirror-url))
|
||
(lint-checker
|
||
(name 'source-file-name)
|
||
(description "Validate file names of sources")
|
||
(check check-source-file-name))
|
||
(lint-checker
|
||
(name 'source-unstable-tarball)
|
||
(description "Check for autogenerated tarballs")
|
||
(check check-source-unstable-tarball))
|
||
(lint-checker
|
||
(name 'derivation)
|
||
(description "Report failure to compile a package to a derivation")
|
||
(check check-derivation))
|
||
(lint-checker
|
||
(name 'patch-file-names)
|
||
(description "Validate file names and availability of patches")
|
||
(check check-patch-file-names))
|
||
(lint-checker
|
||
(name 'formatting)
|
||
(description "Look for formatting issues in the source")
|
||
(check check-formatting))))
|
||
|
||
(define %network-dependent-checkers
|
||
(list
|
||
(lint-checker
|
||
(name 'synopsis)
|
||
(description "Validate package synopses")
|
||
(check check-synopsis-style))
|
||
(lint-checker
|
||
(name 'gnu-description)
|
||
(description "Validate synopsis & description of GNU packages")
|
||
(check check-gnu-synopsis+description))
|
||
(lint-checker
|
||
(name 'home-page)
|
||
(description "Validate home-page URLs")
|
||
(check check-home-page))
|
||
(lint-checker
|
||
(name 'source)
|
||
(description "Validate source URLs")
|
||
(check check-source))
|
||
(lint-checker
|
||
(name 'github-url)
|
||
(description "Suggest GitHub URLs")
|
||
(check check-github-url))
|
||
(lint-checker
|
||
(name 'cve)
|
||
(description "Check the Common Vulnerabilities and Exposures\
|
||
(CVE) database")
|
||
(check check-vulnerabilities))
|
||
(lint-checker
|
||
(name 'refresh)
|
||
(description "Check the package for new upstream releases")
|
||
(check check-for-updates))
|
||
(lint-checker
|
||
(name 'archival)
|
||
(description "Ensure source code archival on Software Heritage")
|
||
(check check-archival))))
|
||
|
||
(define %all-checkers
|
||
(append %local-checkers
|
||
%network-dependent-checkers))
|