~ruther/guix-local: gnu-maintenance: 'gnu-package?' ignores invalid URLs.

6715e1ff2e09af3208f8f2a108ca100798ca1058 — Ludovic Courtès 9 years ago 38cb476

gnu-maintenance: 'gnu-package?' ignores invalid URLs.

* guix/gnu-maintenance.scm (gnu-package?)[gnu-home-page?]: Add '>>'
threading macro and use it.

patch browse .tar.gz

1 files changed, 11 insertions(+), 5 deletions(-)

M guix/gnu-maintenance.scm

M guix/gnu-maintenance.scm => guix/gnu-maintenance.scm +11 -5

@@ 187,11 187,17 @@ network to check in GNU's database."
                   'non-gnu)))))
 
        (define (gnu-home-page? package)
-         (and=> (package-home-page package)
-                (lambda (url)
-                  (and=> (uri-host (string->uri url))
-                         (lambda (host)
-                           (member host '("www.gnu.org" "gnu.org")))))))
+         (letrec-syntax ((>> (syntax-rules ()
+                               ((_ value proc)
+                                (and=> value proc))
+                               ((_ value proc rest ...)
+                                (and=> value
+                                       (lambda (next)
+                                         (>> (proc next) rest ...)))))))
+           (>> package package-home-page
+               string->uri uri-host
+               (lambda (host)
+                 (member host '("www.gnu.org" "gnu.org"))))))
 
        (or (gnu-home-page? package)
            (let ((url  (and=> (package-source package) origin-uri))