Add "special" bare feature as platform for the graph parser

Signed-off-by: Tobias Wolf <[email protected]>

Author: NotTheEvilOne

src/gardenlinux/constants.py

@@ -1,5 +1,8 @@
 # -*- coding: utf-8 -*-
 
+# GardenLinux "bare" feature
+BARE_FLAVOR_FEATURE_CONTENT = { "description": "Bare flavor", "type": "platform" }
+
 # GardenLinux flavors schema for validation
 GL_FLAVORS_SCHEMA = {
     "type": "object",

src/gardenlinux/features/parser.py

@@ -9,6 +9,7 @@
 import subprocess
 import yaml
 
+from ..constants import BARE_FLAVOR_FEATURE_CONTENT
 from ..logger import LoggerSetup
 
 
@@ -72,6 +73,11 @@ def filter(
         filter_set = input_features.copy()
 
         for feature in input_features:
+            # @TODO: Remove "special" handling once "bare" is a first-class citizen of the feature graph
+            if feature == "bare":
+                self.graph.add_node("bare", content=BARE_FLAVOR_FEATURE_CONTENT)
+                continue
+
             filter_set.update(networkx.descendants(Parser._get_graph_view_for_attr(self.graph, "include"), feature))
 
         graph = networkx.subgraph_view(self.graph, filter_node = self._get_filter_set_callable(filter_set, additional_filter_func))