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Index: rosmsg/src/rosmsg/__init__.py
===================================================================
--- rosmsg.orig/src/rosmsg/__init__.py
+++ rosmsg/src/rosmsg/__init__.py
@@ -618,7 +618,7 @@ def rosmsg_cmd_show(mode, full, alias='s
if '/' in arg: #package specified
rosmsg_debug(rospack, mode, arg, options.raw)
else:
- found_msgs = list(rosmsg_search(rospack, mode, arg))
+ found_msgs = list(dict.fromkeys(rosmsg_search(rospack, mode, arg)))
if not found_msgs:
print("Could not find msg '%s'" % arg, file=sys.stderr)
return 1
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