cmake --workflow: add --fresh option

Fixes: #24073

3 files changed, 37 insertions, 3 deletions

diff --git a/Tests/RunCMake/CMakePresetsWorkflow/Fresh.cmake b/Tests/RunCMake/CMakePresetsWorkflow/Fresh.cmake
new file mode 100644
index 0000000..4cf999f
--- /dev/null
+++ b/Tests/RunCMake/CMakePresetsWorkflow/Fresh.cmake
@@ -0,0 +1,4 @@
+option(FRESH_CONFIGURE "" ON)
+if(NOT FRESH_CONFIGURE)
+  message(FATAL_ERROR "FRESH_CONFIGURE is ${FRESH_CONFIGURE}, should be ON")
+endif()
diff --git a/Tests/RunCMake/CMakePresetsWorkflow/Fresh.json.in b/Tests/RunCMake/CMakePresetsWorkflow/Fresh.json.in
new file mode 100644
index 0000000..4ce0ca5
--- /dev/null
+++ b/Tests/RunCMake/CMakePresetsWorkflow/Fresh.json.in
@@ -0,0 +1,21 @@
+{
+  "version": 6,
+  "configurePresets": [
+    {
+      "name": "default",
+      "generator": "@RunCMake_GENERATOR@",
+      "binaryDir": "${sourceDir}/build"
+    }
+  ],
+  "workflowPresets": [
+    {
+      "name": "Fresh",
+      "steps": [
+        {
+          "type": "configure",
+          "name": "default"
+        }
+      ]
+    }
+  ]
+}
diff --git a/Tests/RunCMake/CMakePresetsWorkflow/RunCMakeTest.cmake b/Tests/RunCMake/CMakePresetsWorkflow/RunCMakeTest.cmake
index c620595..550600a 100644
--- a/Tests/RunCMake/CMakePresetsWorkflow/RunCMakeTest.cmake
+++ b/Tests/RunCMake/CMakePresetsWorkflow/RunCMakeTest.cmake
@@ -10,10 +10,12 @@ function(run_cmake_workflow_presets name)
   set(RunCMake_TEST_BINARY_DIR "${RunCMake_TEST_SOURCE_DIR}/build")
   set(RunCMake_TEST_COMMAND_WORKING_DIRECTORY "${RunCMake_TEST_SOURCE_DIR}")
 
-  set(RunCMake_TEST_NO_CLEAN TRUE)
+  if(NOT RunCMake_TEST_NO_CLEAN)
+    file(REMOVE_RECURSE "${RunCMake_TEST_SOURCE_DIR}")
+    file(MAKE_DIRECTORY "${RunCMake_TEST_SOURCE_DIR}")
+  endif()
 
-  file(REMOVE_RECURSE "${RunCMake_TEST_SOURCE_DIR}")
-  file(MAKE_DIRECTORY "${RunCMake_TEST_SOURCE_DIR}")
+  set(RunCMake_TEST_NO_CLEAN TRUE)
 
   set(CASE_NAME "${name}")
   set(CASE_SOURCE_DIR "${RunCMake_SOURCE_DIR}")
@@ -78,3 +80,10 @@ unset(CMakePresets_ASSETS)
 
 run_cmake_workflow_presets(ListPresets --list-presets)
 run_cmake_workflow_presets(InvalidOption -DINVALID_OPTION)
+
+set(RunCMake_TEST_NO_CLEAN TRUE)
+file(REMOVE_RECURSE "${RunCMake_BINARY_DIR}/Fresh")
+file(MAKE_DIRECTORY "${RunCMake_BINARY_DIR}/Fresh/build")
+file(WRITE "${RunCMake_BINARY_DIR}/Fresh/build/CMakeCache.txt" "FRESH_CONFIGURE:BOOL=OFF\n")
+run_cmake_workflow_presets(Fresh --fresh)
+unset(RunCMake_TEST_NO_CLEAN)