Load from cache only when redo=False

Add redo=False to load_from_cache so option to re-populate the cache when layers are changed; default is to not redo the cache. Resolves: #113 See: #27 Signed-off-by: Laurie Roy <[email protected]>
tern-tools · Nov 15, 2018 · a4bea09 · a4bea09
1 parent 5107fbe
commit a4bea09
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/common.py b/common.py
@@ -32,16 +32,16 @@ def get_shell_commands(shell_command_line):
     return cleaned_list
 
 
-def load_from_cache(layer):
+def load_from_cache(layer, redo=False):
     '''Given a layer object, check against cache to see if that layer id exists
     if yes then get the package list and load it in the layer and return true.
-    If it doesn't exist return false
+    If it doesn't exist return false. Default operation is to not redo the cache.
     Add notices to the layer's origins matching the origin_str'''
     loaded = False
     origin_layer = 'Layer: ' + layer.fs_hash[:10]
-    if not layer.packages:
-        # there are no packages in this layer
-        # try to get it from the cache
+    if not layer.packages and not redo:
+        # there are no packages in this layer and we are not repopulating the
+        # cache, try to get it from the cache
         raw_pkg_list = cache.get_packages(layer.fs_hash)
         if raw_pkg_list:
             logger.debug('Loaded from cache: layer {}'.format(