[gnome-ostree] build: Use --link-checkout-speedup for composes

[Colin Walters <walters src gnome org>]

commit 86a071f383f90240380dfb44d96178fb7f37e9e7
Author: Colin Walters <walters verbum org>
Date:   Wed Jul 17 19:48:03 2013 -0400

    build: Use --link-checkout-speedup for composes
    
    Since otherwise we spend huge amounts of time serially doing gzip.

 src/js/tasks/task-build.js |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/js/tasks/task-build.js b/src/js/tasks/task-build.js
index b7cb331..a642651 100644
--- a/src/js/tasks/task-build.js
+++ b/src/js/tasks/task-build.js
@@ -870,7 +870,7 @@ const TaskBuild = new Lang.Class({
     _commitComposedTreeAsync: function(targetName, composeRootdir, relatedTmpPath, cancellable, callback) {
         let treename = this.osname + '/' + targetName;
        let args = ['ostree', '--repo=' + this.repo.get_path(),
-                   'commit', '-b', treename, '-s', 'Compose',
+                   'commit', '--link-checkout-speedup', '-b', treename, '-s', 'Compose',
                    '--owner-uid=0', '--owner-gid=0', '--no-xattrs',
                    '--skip-if-unchanged'];
        if (relatedTmpPath !== null)