From c887ce04928b63aa1dfeb7b8e8d161706bc19e40 Mon Sep 17 00:00:00 2001
From: Yuki Onishi <yuki.st16@gmail.com>
Date: Thu, 2 May 2024 02:32:16 +0900
Subject: [PATCH] Fix installation conditions of 'launch' files with catkin

---
 CMakeLists.txt | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 453fab5..19bd17b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -56,10 +56,14 @@ if(DEFINED ENV{ROS_VERSION})
     # For ros_control
     install(FILES plugins.xml DESTINATION ${CATKIN_PACKAGE_SHARE_DESTINATION})
 
-    install(DIRECTORY launch
-      DESTINATION ${CATKIN_PACKAGE_SHARE_DESTINATION}
-      USE_SOURCE_PERMISSIONS
-    )
+    # Install `launch` dir. only if `--install` option is set in catkin config
+    if(${CMAKE_INSTALL_PREFIX} MATCHES .*/install)
+      install(DIRECTORY launch
+          DESTINATION ${CATKIN_PACKAGE_SHARE_DESTINATION}
+          USE_SOURCE_PERMISSIONS
+          PATTERN "ros2" EXCLUDE
+        )
+    endif()
   elseif($ENV{ROS_VERSION} EQUAL 2)
     ament_package()