~ruther/guix-local

17a7b75c0f727cd7c32b156d8a9235a2009a248f — Cyril Roelandt 11 years ago 03c2776
lint: add 'source' checker.

* guix/scripts/lint.scm (validate-uri?): New procedure.
  (%checkers): Add 'source' checker
1 files changed, 64 insertions(+), 34 deletions(-)

M guix/scripts/lint.scm
M guix/scripts/lint.scm => guix/scripts/lint.scm +64 -34
@@ 20,6 20,7 @@

(define-module (guix scripts lint)
  #:use-module (guix base32)
  #:use-module (guix download)
  #:use-module (guix packages)
  #:use-module (guix records)
  #:use-module (guix ui)


@@ 31,12 32,14 @@
  #:use-module (ice-9 format)
  #:use-module (web uri)
  #:use-module ((guix build download)
                #:select (open-connection-for-uri))
                #:select (maybe-expand-mirrors
                          open-connection-for-uri))
  #:use-module (web request)
  #:use-module (web response)
  #:use-module (srfi srfi-1)
  #:use-module (srfi srfi-9)
  #:use-module (srfi srfi-11)
  #:use-module (srfi srfi-26)
  #:use-module (srfi srfi-37)
  #:export (guix-lint
            check-description-style


@@ 254,45 257,53 @@ response from URI, and additional details, such as the actual HTTP response."
      (_
       (values 'not-http #f)))))

(define (validate-uri uri package field)
  "Return #t if the given URI can be reached, otherwise emit a
warning for PACKAGE mentionning the FIELD."
  (let-values (((status argument)
                (probe-uri uri)))
    (case status
      ((http-response)
       (unless (= 200 (response-code argument))
         (emit-warning package
                       (format #f
                               (_ "URI ~a not reachable: ~a (~s)")
                               (uri->string uri)
                               (response-code argument)
                               (response-reason-phrase argument))
                       field)))
      ((getaddrinfo-error)
       (emit-warning package
                     (format #f
                             (_ "URI ~a domain not found: ~a")
                             (uri->string uri)
                             (gai-strerror (car argument)))
                     field))
      ((system-error)
       (emit-warning package
                     (format #f
                             (_ "URI ~a unreachable: ~a")
                             (uri->string uri)
                             (strerror
                              (system-error-errno
                               (cons status argument))))
                     field))
      ((invalid-http-response gnutls-error)
       ;; Probably a misbehaving server; ignore.
       #f)
      ((not-http)                             ;nothing we can do
       #f)
      (else
       (error "internal linter error" status)))
    #t))

(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)
      (let-values (((status argument)
                    (probe-uri uri)))
        (case status
          ((http-response)
           (unless (= 200 (response-code argument))
             (emit-warning package
                           (format #f
                                   (_ "home page ~a not reachable: ~a (~s)")
                                   (uri->string uri)
                                   (response-code argument)
                                   (response-reason-phrase argument))
                           'home-page)))
          ((getaddrinfo-error)
           (emit-warning package
                         (format #f
                                 (_ "home page domain not found: ~a")
                                 (gai-strerror (car argument)))
                         'package))
          ((system-error)
           (emit-warning package
                         (format #f
                                 (_ "home page unreachable: ~a")
                                 (strerror
                                  (system-error-errno
                                   (cons status argument))))
                         'home-page))
          ((invalid-http-response gnutls-error)
           ;; Probably a misbehaving server; ignore.
           #f)
          ((not-http)                             ;nothing we can do
           #f)
          (else
           (error "internal home-page linter error" status)))))
      (validate-uri uri package 'home-page))
     ((not (package-home-page package))
      (unless (or (string-contains (package-name package) "bootstrap")
                  (string=? (package-name package) "ld-wrapper"))


@@ 375,6 386,21 @@ descriptions maintained upstream."
                 (location->string loc) (package-full-name package)
                 (fill-paragraph (escape-quotes upstream) 77 7)))))))

(define (check-source package)
  "Emit a warning if PACKAGE has an invalid 'source' field, or if that
'source' is not reachable."
  (let ((origin (package-source package)))
    (when (and origin
               (eqv? (origin-method origin) url-fetch))
      (let* ((strings (origin-uri origin))
             (uris (if (list? strings)
                       (map string->uri strings)
                       (list (string->uri strings)))))
       (for-each
         (cut validate-uri <> package 'source)
         (append-map (cut maybe-expand-mirrors <> %mirrors) uris))))))



;;;
;;; List of checkers.


@@ 403,6 429,10 @@ descriptions maintained upstream."
     (description "Validate home-page URLs")
     (check       check-home-page))
   (lint-checker
     (name        'source)
     (description "Validate source URLs")
     (check       check-source))
   (lint-checker
     (name        'synopsis)
     (description "Validate package synopses")
     (check       check-synopsis-style))))