1 files changed, 6 insertions, 2 deletions
diff --git a/py/mock.py b/py/mock.py
index 00bf291..894e297 100755
--- a/py/mock.py
+++ b/py/mock.py
@@ -205,8 +205,12 @@ def setup_default_config_opts(config_opts, unprivUid):
     config_opts['cleanup_on_success'] = 1
     config_opts['cleanup_on_failure'] = 1
 
-    # (global) plugins and plugin configs
-    config_opts['plugins'] = ('ccache', 'yum_cache', 'root_cache', 'bind_mount')
+    # (global) plugins and plugin configs.
+    # ordering constraings: tmpfs must be first. 
+    #    root_cache next. 
+    #    after that, any plugins that must create dirs (yum_cache)
+    #    any plugins without preinit hooks should be last.
+    config_opts['plugins'] = ('tmpfs', 'root_cache', 'yum_cache', 'bind_mount', 'ccache')
     config_opts['plugin_dir'] = os.path.join(PKGPYTHONDIR, "plugins")
     config_opts['plugin_conf'] = {
             'ccache_enable': True,