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-rw-r--r--guix/import/github.scm9
-rw-r--r--guix/import/json.scm14
2 files changed, 16 insertions, 7 deletions
diff --git a/guix/import/github.scm b/guix/import/github.scm
index ef226911b9..d7a673e8d6 100644
--- a/guix/import/github.scm
+++ b/guix/import/github.scm
@@ -1,6 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 Ben Woodcroft <donttrustben@gmail.com>
-;;; Copyright © 2017 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -132,7 +132,12 @@ the package e.g. 'bedtools2'. Return #f if there is no releases"
(json (json-fetch
(if token
(string-append api-url "?access_token=" token)
- api-url))))
+ api-url)
+ #:headers
+ ;; Ask for version 3 of the API as suggested at
+ ;; <https://developer.github.com/v3/>.
+ `((Accept . "application/vnd.github.v3+json")
+ (user-agent . "GNU Guile")))))
(if (eq? json #f)
(if token
(error "Error downloading release information through the GitHub
diff --git a/guix/import/json.scm b/guix/import/json.scm
index 3f2ab1e3ea..4f96a513df 100644
--- a/guix/import/json.scm
+++ b/guix/import/json.scm
@@ -1,6 +1,7 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014 David Thompson <davet@gnu.org>
;;; Copyright © 2015, 2016 Eric Bavier <bavier@member.fsf.org>
+;;; Copyright © 2018 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -25,17 +26,20 @@
#:export (json-fetch
json-fetch-alist))
-(define (json-fetch url)
+(define* (json-fetch url
+ ;; Note: many websites returns 403 if we omit a
+ ;; 'User-Agent' header.
+ #:key (headers `((user-agent . "GNU Guile")
+ (Accept . "application/json"))))
"Return a representation of the JSON resource URL (a list or hash table), or
-#f if URL returns 403 or 404."
+#f if URL returns 403 or 404. HEADERS is a list of HTTP headers to pass in
+the query."
(guard (c ((and (http-get-error? c)
(let ((error (http-get-error-code c)))
(or (= 403 error)
(= 404 error))))
#f))
- ;; Note: many websites returns 403 if we omit a 'User-Agent' header.
- (let* ((port (http-fetch url #:headers '((user-agent . "GNU Guile")
- (Accept . "application/json"))))
+ (let* ((port (http-fetch url #:headers headers))
(result (json->scm port)))
(close-port port)
result)))