install xacro using console_scripts entrypoint

CMakeLists.txt

@@ -2,17 +2,16 @@ cmake_minimum_required(VERSION 3.5)
 project(xacro)
 
 find_package(ament_cmake REQUIRED)
+find_package(ament_cmake_python REQUIRED)
 
 install(FILES scripts/completion.bash DESTINATION share/${PROJECT_NAME}/environment)
 
-## The following manually installs the python package and the entry-point script
-## Using ament_cmake, we cannot actually use setup.py to install these...
+# install xacro python package and it's console_script entry-point script
+ament_python_install_package(${PROJECT_NAME} SCRIPTS_DESTINATION lib/${PROJECT_NAME})
 
-# install xacro python package
-ament_python_install_package(xacro)
-# install main script
-install(PROGRAMS scripts/xacro DESTINATION bin)
-install(PROGRAMS scripts/xacro DESTINATION lib/${PROJECT_NAME})
+# install entry-point script(s) in bin as well
+install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/ament_cmake_python/${PROJECT_NAME}/scripts/xacro
+        DESTINATION bin)
 
 if(BUILD_TESTING)
   ## run linters as defined in package.xml

package.xml

@@ -20,6 +20,8 @@
   <author>Robert Haschke</author>
 
   <buildtool_depend>ament_cmake</buildtool_depend>
+  <buildtool_depend>ament_cmake_python</buildtool_depend>
+
   <depend>ament_index_python</depend>
   <depend>python3-yaml</depend>
   <test_depend>ament_lint_auto</test_depend>

setup.cfg

@@ -0,0 +1,3 @@
+[options.entry_points]
+console_scripts =
+    xacro = xacro:main