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-rw-r--r--buildstream/_options/option.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/buildstream/_options/option.py b/buildstream/_options/option.py
index 05c56e582..dfc8d4040 100644
--- a/buildstream/_options/option.py
+++ b/buildstream/_options/option.py
@@ -64,6 +64,11 @@ class Option():
self.description = _yaml.node_get(node, str, 'description')
self.variable = _yaml.node_get(node, str, 'variable', default_value='') or None
+ # Assert valid symbol name for variable name
+ if self.variable:
+ p = _yaml.node_get_provenance(node, 'variable')
+ _yaml.assert_symbol_name(p, self.variable, 'variable name')
+
# load_value()
#
# Loads the value of the option in string form.