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-rw-r--r--guix/download.scm34
1 files changed, 22 insertions, 12 deletions
diff --git a/guix/download.scm b/guix/download.scm
index 988117885c..b74fd31c1f 100644
--- a/guix/download.scm
+++ b/guix/download.scm
@@ -373,18 +373,28 @@
;; procedure that takes a file name, an algorithm (symbol) and a hash
;; (bytevector), and returns a URL or #f.
;; Note: Avoid 'https' to mitigate <http://bugs.gnu.org/22774>.
- ;; TODO: Add more.
- '(list (lambda (file algo hash)
- ;; Files served by 'guix publish' are accessible under a single
- ;; hash algorithm.
- (string-append "http://mirror.hydra.gnu.org/file/"
- file "/" (symbol->string algo) "/"
- (bytevector->nix-base32-string hash)))
- (lambda (file algo hash)
- ;; 'tarballs.nixos.org' supports several algorithms.
- (string-append "http://tarballs.nixos.org/"
- (symbol->string algo) "/"
- (bytevector->nix-base32-string hash)))))
+ '(begin
+ (use-modules (guix base32) (guix base16))
+
+ (list (lambda (file algo hash)
+ ;; Files served by 'guix publish' are accessible under a single
+ ;; hash algorithm.
+ (string-append "http://mirror.hydra.gnu.org/file/"
+ file "/" (symbol->string algo) "/"
+ (bytevector->nix-base32-string hash)))
+ (lambda (file algo hash)
+ ;; 'tarballs.nixos.org' supports several algorithms.
+ (string-append "http://tarballs.nixos.org/"
+ (symbol->string algo) "/"
+ (bytevector->nix-base32-string hash)))
+ (lambda (file algo hash)
+ ;; Software Heritage usually archives VCS history rather than
+ ;; tarballs, but tarballs are sometimes available (and can be
+ ;; explicitly stored there.) For example, see
+ ;; <https://archive.softwareheritage.org/api/1/content/sha256:92d0fa1c311cacefa89853bdb53c62f4110cdfda3820346b59cbd098f40f955e/>.
+ (string-append "http://archive.softwareheritage.org/api/1/content/"
+ (symbol->string algo) ":"
+ (bytevector->base16-string hash) "/raw/")))))
(define %content-addressed-mirror-file
;; Content-addressed mirrors stored in a file.