[gnome-shell] Scripting: exit if the perf script throws an error during collection

[Owen Taylor <otaylor src gnome org>]

commit 910c95fa9bab1183edf88e605cdee6e46a7dfbf3
Author: Owen W. Taylor <otaylor fishsoup net>
Date:   Mon May 19 21:34:04 2014 -0400

    Scripting: exit if the perf script throws an error during collection
    
    If an exception occurs while collecting parameters, exit rather than
    just leaving the shell running in the main loop.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=732349

 js/ui/scripting.js |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/js/ui/scripting.js b/js/ui/scripting.js
index 1da99d9..72f6702 100644
--- a/js/ui/scripting.js
+++ b/js/ui/scripting.js
@@ -360,7 +360,12 @@ function runPerfScript(scriptModule, outputFile) {
 
     _step(g,
           function() {
-              _collect(scriptModule, outputFile);
+              try {
+                  _collect(scriptModule, outputFile);
+              } catch (err) {
+                  log("Script failed: " + err + "\n" + err.stack);
+                  Meta.exit(Meta.ExitCode.ERROR);
+              }
               Meta.exit(Meta.ExitCode.SUCCESS);
           },
          function(err) {