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-rw-r--r--lib/python/qmk/info.py9
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/python/qmk/info.py b/lib/python/qmk/info.py
index 00da4936e1..99ac254e27 100644
--- a/lib/python/qmk/info.py
+++ b/lib/python/qmk/info.py
@@ -107,6 +107,15 @@ def _validate_layouts(keyboard, info_data): # noqa C901
if col >= col_num:
_log_error(info_data, f'{layout_name}: Matrix column for key {index} ({key_name}) is {col} but must be less than {col_num}')
+ # Reject duplicate matrix locations
+ for layout_name, layout_data in layouts.items():
+ seen = set()
+ for index, key_data in enumerate(layout_data['layout']):
+ key = f"{key_data['matrix']}"
+ if key in seen:
+ _log_error(info_data, f'{layout_name}: Matrix location for key {index} is not unique {key_data}')
+ seen.add(key)
+
# Warn if physical positions are offset (at least one key should be at x=0, and at least one key at y=0)
for layout_name, layout_data in layouts.items():
offset_x = min([_get_key_left_position(k) for k in layout_data['layout']])