[bug#67898] [PATCH v2] guix: import: composer: Handle parsing failures.

[Nicolas Graves]

* guix/import/composer (latest-release): Handle parsing
failures. Rename package to composer-package for clarity.

Change-Id: I14936c2c6e6a850a32fe56891766ae92b693a295
---
 guix/import/composer.scm | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/guix/import/composer.scm b/guix/import/composer.scm
index 069a950f90..b23af1b91f 100644
--- a/guix/import/composer.scm
+++ b/guix/import/composer.scm
@@ -246,13 +246,19 @@ (define (php-package? package)
 (define* (latest-release package #:key (version #f))
   "Return an <upstream-source> for the latest release of PACKAGE."
   (let* ((php-name (guix-package->composer-name package))
-         (package (composer-fetch php-name #:version version))
-         (version (composer-package-version package))
-         (url (composer-source-url (composer-package-source package))))
-    (upstream-source
-     (package (composer-package-name package))
-     (version version)
-     (urls (list url)))))
+         (composer-package (composer-fetch php-name #:version version)))
+    (match composer-package
+      (#f
+       (format (current-error-port)
+               "warning: failed to parse ~a~%"
+               php-name)
+       #f)
+      (_
+       (upstream-source
+        (package (composer-package-name composer-package))
+        (version (composer-package-version composer-package))
+        (urls (list (composer-source-url
+                     (composer-package-source composer-package)))))))))
 
 (define %composer-updater
   (upstream-updater
-- 
2.41.0