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authorLudovic Courtès <ludo@gnu.org>2013-05-10 15:07:00 +0200
committerLudovic Courtès <ludo@gnu.org>2013-05-10 15:07:00 +0200
commitfe3e603d14ef55b94d3763619f8c06751fa37ca9 (patch)
tree0d06d9282751b3da6b63dd8ba8d3bcb44a1bf68d
parente31ff8b8d0a165b3f403a1269455fa38220821e6 (diff)
downloadguix-fe3e603d14ef55b94d3763619f8c06751fa37ca9.tar.gz
refresh: Gracefully handle failure to download a tarball.
* guix/scripts/refresh.scm (guix-refresh): When updating a source file,
  gracefully handle the case where TARBALL is #f.
  Reported by Nikita Karetnikov <nikita@karetnikov.org>.
-rw-r--r--guix/scripts/refresh.scm22
1 files changed, 15 insertions, 7 deletions
diff --git a/guix/scripts/refresh.scm b/guix/scripts/refresh.scm
index 69e5114e00..37de3b628d 100644
--- a/guix/scripts/refresh.scm
+++ b/guix/scripts/refresh.scm
@@ -160,13 +160,21 @@ update would trigger a complete rebuild."
                                                                   'version)
                                           (package-location package))))
                           (when version
-                            (format (current-error-port)
-                                    (_ "~a: ~a: updating from version ~a to version ~a...~%")
-                                    (location->string loc) (package-name package)
-                                    (package-version package) version)
-                            (let ((hash (call-with-input-file tarball
-                                          (compose sha256 get-bytevector-all))))
-                              (update-package-source package version hash)))))
+                            (if (and=> tarball file-exists?)
+                                (begin
+                                  (format (current-error-port)
+                                          (_ "~a: ~a: updating from version ~a to version ~a...~%")
+                                          (location->string loc)
+                                          (package-name package)
+                                          (package-version package) version)
+                                  (let ((hash (call-with-input-file tarball
+                                                (compose sha256
+                                                         get-bytevector-all))))
+                                    (update-package-source package version
+                                                           hash)))
+                                (warning (_ "~a: version ~a could not be \
+downloaded and authenticated; not updating")
+                                         (package-name package) version)))))
                       packages))
           (for-each (lambda (package)
                       (match (false-if-exception (package-update-path package))