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authorLudovic Courtès <ludo@gnu.org>2019-08-17 22:50:58 +0200
committerLudovic Courtès <ludo@gnu.org>2019-08-17 23:18:11 +0200
commit0ea009db9d3bf53e75be8faef77c18d39c87a16a (patch)
treee2fe54757637a7cd727949d5c5977786cb19df5e
parent4496ea74aaf9d2497ac3eaf8f780a250bed24503 (diff)
downloadguix-0ea009db9d3bf53e75be8faef77c18d39c87a16a.tar.gz
upstream: Gracefully handle archive type changes.
Previously, if the currently used archive type (e.g., "bz2") was
unavailable for the new version, 'guix refresh -u' would crash instead
of updating to the archive with the new type.

* guix/upstream.scm (package-update/url-fetch): When URL is #f, pick the
first of URLS; likewise for SIGNATURE-URL.
-rw-r--r--guix/upstream.scm9
1 files changed, 8 insertions, 1 deletions
diff --git a/guix/upstream.scm b/guix/upstream.scm
index 1326b3db95..d4f9c5bb45 100644
--- a/guix/upstream.scm
+++ b/guix/upstream.scm
@@ -362,6 +362,7 @@ SOURCE, an <upstream-source>."
                       (_
                        "gz")))
                    ((url signature-url)
+                    ;; Try to find a URL that matches ARCHIVE-TYPE.
                     (find2 (lambda (url sig-url)
                              ;; Some URIs lack a file extension, like
                              ;; 'https://crates.io/???/0.1/download'.  In that
@@ -370,7 +371,13 @@ SOURCE, an <upstream-source>."
                                  (string-suffix? archive-type url)))
                            urls
                            (or signature-urls (circular-list #f)))))
-       (let ((tarball (download-tarball store url signature-url
+       ;; If none of URLS matches ARCHIVE-TYPE, then URL is #f; in that case,
+       ;; pick up the first element of URLS.
+       (let ((tarball (download-tarball store
+                                        (or url (first urls))
+                                        (and (pair? signature-urls)
+                                             (or signature-url
+                                                 (first signature-urls)))
                                         #:key-download key-download)))
          (values version tarball source))))))