fix: component manager load all component dirs even set(COMPONENTS ...)

tools/cmake/build.cmake

@@ -516,9 +516,17 @@ macro(idf_build_process target)
         set(local_components_list_file ${build_dir}/local_components_list.temp.yml)
 
         set(__contents "components:\n")
-        foreach(__component_name ${components})
-            idf_component_get_property(__component_dir ${__component_name} COMPONENT_DIR)
-            set(__contents "${__contents}  - name: \"${__component_name}\"\n    path: \"${__component_dir}\"\n")
+        idf_build_get_property(build_component_targets BUILD_COMPONENT_TARGETS)
+        foreach(__build_component_target ${build_component_targets})
+            __component_get_property(__component_name ${__build_component_target} COMPONENT_NAME)
+            __component_get_property(__component_dir ${__build_component_target} COMPONENT_DIR)
+
+            # Exclude components could be passed with -DEXCLUDE_COMPONENTS
+            # after the call to __component_add finished in the last run.
+            # Need to check if the component is excluded again
+            if(NOT __component_name IN_LIST EXCLUDE_COMPONENTS)
+                set(__contents "${__contents}  - name: \"${__component_name}\"\n    path: \"${__component_dir}\"\n")
+            endif()
         endforeach()
 
         file(WRITE ${local_components_list_file} "${__contents}")

tools/cmake/component.cmake

@@ -192,8 +192,9 @@ function(__component_add component_dir prefix)
     # Set Kconfig related properties on the component
     __kconfig_component_init(${component_target})
 
-    # set BUILD_COMPONENT_DIRS build property
+    # these two properties are used to keep track of the components known to the build system
     idf_build_set_property(BUILD_COMPONENT_DIRS ${component_dir} APPEND)
+    idf_build_set_property(BUILD_COMPONENT_TARGETS ${component_target} APPEND)
 endfunction()
 
 #

tools/test_build_system/test_component_manager.py

@@ -1,9 +1,10 @@
-# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+# SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
 # SPDX-License-Identifier: Apache-2.0
 import os.path
 from pathlib import Path
 
 from test_build_system_helpers import IdfPyFunc
+from test_build_system_helpers import replace_in_file
 
 
 def test_dependency_lock(idf_py: IdfPyFunc, test_app_copy: Path) -> None:
@@ -18,3 +19,28 @@ def test_dependency_lock(idf_py: IdfPyFunc, test_app_copy: Path) -> None:
     idf_py('reconfigure')
     assert os.path.isfile(test_app_copy / 'dependencies.lock.esp32')
     assert not os.path.isfile(test_app_copy / 'dependencies.lock')
+
+
+def test_trimmed_components_still_passed_to_cmake(idf_py: IdfPyFunc, test_app_copy: Path) -> None:
+    replace_in_file(
+        test_app_copy / 'CMakeLists.txt',
+        search='# placeholder_after_include_project_cmake',
+        replace='set(COMPONENTS main)',
+    )
+
+    replace_in_file(
+        test_app_copy / 'main' / 'CMakeLists.txt',
+        search='# placeholder_inside_idf_component_register',
+        replace='REQUIRES foo',
+    )
+
+    os.makedirs(test_app_copy / 'components')
+    idf_py('create-component', '-C', 'components', 'foo')
+    idf_py('add-dependency', '--component', 'foo', 'example/cmp')
+
+    idf_py('reconfigure')
+
+    with open('dependencies.lock', 'r') as f:
+        fs = f.read()
+
+    assert '  example/cmp:' in fs