diff options
Diffstat (limited to 'guix/import/hackage.scm')
| -rw-r--r-- | guix/import/hackage.scm | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/guix/import/hackage.scm b/guix/import/hackage.scm index 4d01ed23ea..2c9df073d3 100644 --- a/guix/import/hackage.scm +++ b/guix/import/hackage.scm @@ -21,6 +21,7 @@ (define-module (guix import hackage) #:use-module (ice-9 match) #:use-module (ice-9 regex) + #:use-module (srfi srfi-34) #:use-module (srfi srfi-26) #:use-module (srfi srfi-11) #:use-module (srfi srfi-1) @@ -115,12 +116,15 @@ version is returned." "Return the Cabal file for the package NAME-VERSION, or #f on failure. If the version part is omitted from the package name, then return the latest version." - (let-values (((name version) (package-name->name+version name-version))) - (let* ((url (hackage-cabal-url name version)) - (port (http-fetch url)) - (result (read-cabal (canonical-newline-port port)))) - (close-port port) - result))) + (guard (c ((and (http-get-error? c) + (= 404 (http-get-error-code c))) + #f)) ;"expected" if package is unknown + (let-values (((name version) (package-name->name+version name-version))) + (let* ((url (hackage-cabal-url name version)) + (port (http-fetch url)) + (result (read-cabal (canonical-newline-port port)))) + (close-port port) + result)))) (define string->license ;; List of valid values from |