bug report GUI: guard against `raco pkg show' errors

mflatt · rmculpepper · commit 7710498e7065 · 2013-01-16T08:07:48.000-05:00
Various things can go wrong with `raco pkg show', including permission errors or lock conflicts. Merge to v5.3.2 (cherry picked from commit d2ce3f7)
diff --git a/collects/help/private/bug-report-controls.rkt b/collects/help/private/bug-report-controls.rkt
@@ -446,7 +446,9 @@
   
   (define planet2-info-sp (open-output-string))
   (parameterize ([current-output-port planet2-info-sp])
-    (planet2:show))
+    (with-handlers ([exn:fail? (lambda (exn)
+                                 (printf "ERROR:\n~a" (exn-message exn)))])
+      (planet2:show)))
   (send (send planet2-info get-editor)
         insert
         (get-output-string planet2-info-sp))
