From 7f41a86108e3b2bea5cd8b42737991db4e33c66f Mon Sep 17 00:00:00 2001
From: Lars Bilke <lars.bilke@ufz.de>
Date: Mon, 10 Jun 2024 15:16:45 +0200
Subject: [PATCH 1/3] Compile with coverage on Debug-config.

---
 CMakeLists.txt | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 275e955..0661dcc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -52,6 +52,28 @@ if(NOT VTK_FOUND)
 endif()
 # --- CPM end ---
 
+# Coverage (enabled by Debug-config)
+if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug" AND ${PROJECT_SOURCE_DIR} STREQUAL
+                                              ${CMAKE_SOURCE_DIR}
+)
+    if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
+        set(CMAKE_CXX_FLAGS_DEBUG "-g -Og --coverage")
+        if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+            string(APPEND CMAKE_CXX_FLAGS_DEBUG " -fprofile-abs-path")
+        endif()
+        set(CMAKE_EXE_LINKER_FLAGS_DEBUG "--coverage")
+        set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "--coverage")
+        set(CMAKE_MODULE_LINKER_FLAGS_DEBUG "--coverage")
+        message(STATUS "Setting coverage flags!")
+        message(
+            STATUS
+                "Run executables and the run:\n     gcovr -r ${PROJECT_SOURCE_DIR}"
+        )
+    else()
+        message(FATAL_ERROR "OGS_COVERAGE requires clang or gcc compiler!")
+    endif()
+endif()
+
 add_executable(vtkdiff vtkdiff.cpp)
 target_link_libraries(vtkdiff tclap VTK::IOXML)
 

From 84ac72c34c70c688a1e2f7bb3ac011bc3dc9c4d5 Mon Sep 17 00:00:00 2001
From: Lars Bilke <lars.bilke@ufz.de>
Date: Mon, 10 Jun 2024 15:17:16 +0200
Subject: [PATCH 2/3] [ci] Add coverage job.

---
 .github/workflows/cmake-single-platform.yml | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/.github/workflows/cmake-single-platform.yml b/.github/workflows/cmake-single-platform.yml
index 88a35f8..b28e4a6 100644
--- a/.github/workflows/cmake-single-platform.yml
+++ b/.github/workflows/cmake-single-platform.yml
@@ -26,3 +26,20 @@ jobs:
     #  working-directory: ${{github.workspace}}/build
     #  run: ctest -C ${{env.BUILD_TYPE}}
 
+  coverage:
+    runs-on: ubuntu-latest
+    env:
+      BUILD_TYPE: Debug
+    steps:
+    - uses: actions/checkout@v4
+    - name: Configure CMake
+      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+    - name: Build
+      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
+    - name: Test
+      working-directory: ${{github.workspace}}/build
+      run: ./vtkdiff --help
+    - name: Coverage
+      working-directory: ${{github.workspace}}/build
+      run: pipx run gcovr -r ${{github.workspace}}
+

From 2b307e5b5a3b84672d6d56a12855540295f7ec46 Mon Sep 17 00:00:00 2001
From: Lars Bilke <lars.bilke@ufz.de>
Date: Mon, 10 Jun 2024 15:54:42 +0200
Subject: [PATCH 3/3] [ci] Exclude cpm _deps folder for coverage.

---
 .github/workflows/cmake-single-platform.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/cmake-single-platform.yml b/.github/workflows/cmake-single-platform.yml
index b28e4a6..24ba1af 100644
--- a/.github/workflows/cmake-single-platform.yml
+++ b/.github/workflows/cmake-single-platform.yml
@@ -41,5 +41,5 @@ jobs:
       run: ./vtkdiff --help
     - name: Coverage
       working-directory: ${{github.workspace}}/build
-      run: pipx run gcovr -r ${{github.workspace}}
+      run: pipx run gcovr -r ${{github.workspace}} --exclude ${{github.workspace}}/build/_deps