[gnome-ostree] build: Print which component failed

[Colin Walters <walters src gnome org>]

commit eec5fc045215ca7df97f6d3a5697cbd8f678cbe8
Author: Colin Walters <walters verbum org>
Date:   Tue May 7 09:20:52 2013 -0400

    build: Print which component failed

 src/js/tasks/task-build.js |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/src/js/tasks/task-build.js b/src/js/tasks/task-build.js
index 9d4e749..de1e13f 100644
--- a/src/js/tasks/task-build.js
+++ b/src/js/tasks/task-build.js
@@ -645,7 +645,12 @@ const TaskBuild = new Lang.Class({
        let proc = new GSystem.Subprocess({ context: context });
        proc.init(cancellable);
        print("Started child process " + context.argv.map(GLib.shell_quote).join(' '));
-       proc.wait_sync_check(cancellable);
+       try {
+           proc.wait_sync_check(cancellable);
+       } catch (e) {
+           print("Build of " + basename + " failed");
+           throw e;
+       }
 
        let finalBuildResultDir = buildWorkdir.get_child('post-results');
        GSystem.shutil_rm_rf(finalBuildResultDir, cancellable);