clang-tidy: add <LANG>_CLANG_TIDY_EXPORT_FIXES_DIR property

Fixes: #21362

8 files changed, 173 insertions, 0 deletions

diff --git a/Tests/RunCMake/ClangTidy/ExportFixesDir-Build-check.cmake b/Tests/RunCMake/ClangTidy/ExportFixesDir-Build-check.cmake
new file mode 100644
index 0000000..97ec52b
--- /dev/null
+++ b/Tests/RunCMake/ClangTidy/ExportFixesDir-Build-check.cmake
@@ -0,0 +1,35 @@
+if(RunCMake_GENERATOR_IS_MULTI_CONFIG)
+  assert_any_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/Debug/main.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/Debug/main.c.obj.yaml"
+    )
+  assert_any_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/Debug/extra.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/Debug/extra.c.obj.yaml"
+    )
+  assert_any_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/Debug/__/main.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/Debug/__/main.c.obj.yaml"
+    )
+  assert_any_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/Debug/__/extra.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/Debug/__/extra.c.obj.yaml"
+    )
+else()
+  assert_any_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/main.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/main.c.obj.yaml"
+    )
+  assert_any_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/extra.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/extra.c.obj.yaml"
+    )
+  assert_any_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/__/main.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/__/main.c.obj.yaml"
+    )
+  assert_any_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/__/extra.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/__/extra.c.obj.yaml"
+    )
+endif()
diff --git a/Tests/RunCMake/ClangTidy/ExportFixesDir.cmake b/Tests/RunCMake/ClangTidy/ExportFixesDir.cmake
new file mode 100644
index 0000000..2b278da
--- /dev/null
+++ b/Tests/RunCMake/ClangTidy/ExportFixesDir.cmake
@@ -0,0 +1,6 @@
+enable_language(C)
+set(CMAKE_C_CLANG_TIDY "${PSEUDO_TIDY}" -some -args)
+set(CMAKE_C_CLANG_TIDY_EXPORT_FIXES_DIR clang-tidy)
+set(files ${CMAKE_CURRENT_SOURCE_DIR}/main.c ${CMAKE_CURRENT_SOURCE_DIR}/extra.c)
+add_executable(main ${files})
+add_subdirectory(export_fixes_subdir)
diff --git a/Tests/RunCMake/ClangTidy/ExportFixesDir2-Build-check.cmake b/Tests/RunCMake/ClangTidy/ExportFixesDir2-Build-check.cmake
new file mode 100644
index 0000000..f65d33c
--- /dev/null
+++ b/Tests/RunCMake/ClangTidy/ExportFixesDir2-Build-check.cmake
@@ -0,0 +1,35 @@
+if(RunCMake_GENERATOR_IS_MULTI_CONFIG)
+  assert_any_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/Debug/main.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/Debug/main.c.obj.yaml"
+    )
+  assert_no_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/Debug/extra.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/Debug/extra.c.obj.yaml"
+    )
+  assert_any_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/Debug/__/main.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/Debug/__/main.c.obj.yaml"
+    )
+  assert_no_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/Debug/__/extra.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/Debug/__/extra.c.obj.yaml"
+    )
+else()
+  assert_any_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/main.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/main.c.obj.yaml"
+    )
+  assert_no_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/extra.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/extra.c.obj.yaml"
+    )
+  assert_any_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/__/main.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/__/main.c.obj.yaml"
+    )
+  assert_no_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/__/extra.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/__/extra.c.obj.yaml"
+    )
+endif()
diff --git a/Tests/RunCMake/ClangTidy/ExportFixesDir2-check.cmake b/Tests/RunCMake/ClangTidy/ExportFixesDir2-check.cmake
new file mode 100644
index 0000000..f65d33c
--- /dev/null
+++ b/Tests/RunCMake/ClangTidy/ExportFixesDir2-check.cmake
@@ -0,0 +1,35 @@
+if(RunCMake_GENERATOR_IS_MULTI_CONFIG)
+  assert_any_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/Debug/main.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/Debug/main.c.obj.yaml"
+    )
+  assert_no_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/Debug/extra.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/Debug/extra.c.obj.yaml"
+    )
+  assert_any_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/Debug/__/main.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/Debug/__/main.c.obj.yaml"
+    )
+  assert_no_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/Debug/__/extra.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/Debug/__/extra.c.obj.yaml"
+    )
+else()
+  assert_any_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/main.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/main.c.obj.yaml"
+    )
+  assert_no_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/extra.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/clang-tidy/CMakeFiles/main.dir/extra.c.obj.yaml"
+    )
+  assert_any_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/__/main.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/__/main.c.obj.yaml"
+    )
+  assert_no_file_exists(
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/__/extra.c.o.yaml"
+    "${RunCMake_TEST_BINARY_DIR}/export_fixes_subdir/clang-tidy/export_fixes_subdir/CMakeFiles/subdir.dir/__/extra.c.obj.yaml"
+    )
+endif()
diff --git a/Tests/RunCMake/ClangTidy/ExportFixesDir2.cmake b/Tests/RunCMake/ClangTidy/ExportFixesDir2.cmake
new file mode 100644
index 0000000..c81c49a
--- /dev/null
+++ b/Tests/RunCMake/ClangTidy/ExportFixesDir2.cmake
@@ -0,0 +1,6 @@
+enable_language(C)
+set(CMAKE_C_CLANG_TIDY "${PSEUDO_TIDY}" -some -args)
+set(CMAKE_C_CLANG_TIDY_EXPORT_FIXES_DIR clang-tidy)
+set(files ${CMAKE_CURRENT_SOURCE_DIR}/main.c)
+add_executable(main ${files})
+add_subdirectory(export_fixes_subdir)
diff --git a/Tests/RunCMake/ClangTidy/RunCMakeTest.cmake b/Tests/RunCMake/ClangTidy/RunCMakeTest.cmake
index 5e3fbc4..01dbb61 100644
--- a/Tests/RunCMake/ClangTidy/RunCMakeTest.cmake
+++ b/Tests/RunCMake/ClangTidy/RunCMakeTest.cmake
@@ -30,3 +30,55 @@ if (NOT RunCMake_GENERATOR STREQUAL "Watcom WMake")
 endif()
 run_tidy(C-bad)
 run_tidy(compdb)
+
+function(any_file_exists varname)
+  foreach(filename IN LISTS ARGN)
+    if(EXISTS "${filename}")
+      set("${varname}" 1 PARENT_SCOPE)
+      return()
+    endif()
+  endforeach()
+  set("${varname}" 0 PARENT_SCOPE)
+endfunction()
+
+function(assert_any_file_exists)
+  any_file_exists(exists ${ARGN})
+  if(NOT exists)
+    string(APPEND RunCMake_TEST_FAILED "Expected one of the following files to exist but they do not:\n")
+    foreach(filename IN LISTS ARGN)
+      string(APPEND RunCMake_TEST_FAILED "  ${filename}\n")
+    endforeach()
+    set(RunCMake_TEST_FAILED "${RunCMake_TEST_FAILED}" PARENT_SCOPE)
+  endif()
+endfunction()
+
+function(assert_no_file_exists)
+  any_file_exists(exists ${ARGN})
+  if(exists)
+    string(APPEND RunCMake_TEST_FAILED "Expected none of the following files to exist but one of them does:\n")
+    foreach(filename IN LISTS ARGN)
+      string(APPEND RunCMake_TEST_FAILED "  ${filename}\n")
+    endforeach()
+    set(RunCMake_TEST_FAILED "${RunCMake_TEST_FAILED}" PARENT_SCOPE)
+  endif()
+endfunction()
+
+function(run_tidy_export_fixes)
+  # Use a single build tree for tests without cleaning.
+  set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/ExportFixesDir-build)
+  set(RunCMake_TEST_NO_CLEAN 1)
+  file(REMOVE_RECURSE "${RunCMake_TEST_BINARY_DIR}")
+  file(MAKE_DIRECTORY "${RunCMake_TEST_BINARY_DIR}")
+  run_cmake(ExportFixesDir)
+
+  set(RunCMake_TEST_OUTPUT_MERGE 1)
+  run_cmake_command(ExportFixesDir-Build ${CMAKE_COMMAND} --build . --config Debug)
+  unset(RunCMake_TEST_OUTPUT_MERGE)
+
+  run_cmake(ExportFixesDir2)
+
+  set(RunCMake_TEST_OUTPUT_MERGE 1)
+  run_cmake_command(ExportFixesDir2-Build ${CMAKE_COMMAND} --build . --config Debug)
+  unset(RunCMake_TEST_OUTPUT_MERGE)
+endfunction()
+run_tidy_export_fixes()
diff --git a/Tests/RunCMake/ClangTidy/export_fixes_subdir/CMakeLists.txt b/Tests/RunCMake/ClangTidy/export_fixes_subdir/CMakeLists.txt
new file mode 100644
index 0000000..af2db88
--- /dev/null
+++ b/Tests/RunCMake/ClangTidy/export_fixes_subdir/CMakeLists.txt
@@ -0,0 +1 @@
+add_executable(subdir ${files})
diff --git a/Tests/RunCMake/ClangTidy/extra.c b/Tests/RunCMake/ClangTidy/extra.c
new file mode 100644
index 0000000..d235550
--- /dev/null
+++ b/Tests/RunCMake/ClangTidy/extra.c
@@ -0,0 +1,3 @@
+void extra(void)
+{
+}