From 8ac10a56f59996696cbba9cada879cece607dfee Mon Sep 17 00:00:00 2001
From: Tamino Bauknecht <dev@tb6.eu>
Date: Tue, 2 Jul 2024 15:19:44 +0200
Subject: [PATCH 1/9] ci: Use alpine v3.20 besides 3.19 for Python 3.12

To reduce the number of workflows, only run some combinations.
---
 .github/workflows/cpp-build.yml | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/cpp-build.yml b/.github/workflows/cpp-build.yml
index 10c9e60..d8abbe1 100644
--- a/.github/workflows/cpp-build.yml
+++ b/.github/workflows/cpp-build.yml
@@ -29,13 +29,24 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        cpp17_compatibility: [ "ON", "OFF" ]
-        cpp_compiler: [ "g++", "clang++" ]
+        include:
+          - cpp_compiler: "g++"
+            alpine_version: "v3.20"
+            cpp17_compatibility: "ON"
+          - cpp_compiler: "clang++"
+            alpine_version: "v3.19"
+            cpp17_compatibility: "OFF"
+          - cpp_compiler: "g++"
+            alpine_version: "v3.19"
+            cpp17_compatibility: "OFF"
+          - cpp_compiler: "clang++"
+            alpine_version: "v3.20"
+            cpp17_compatibility: "ON"
     steps:
       - uses: actions/checkout@v3
       - uses: jirutka/setup-alpine@v1
         with:
-          branch: v3.19
+          branch: ${{ matrix.alpine_version }}
       - name: Install dependencies
         run: |
             apk update

From 7969f55c5bc7e5ac76c1bc793f074f40468cd12c Mon Sep 17 00:00:00 2001
From: Tamino Bauknecht <dev@tb6.eu>
Date: Tue, 2 Jul 2024 15:54:18 +0200
Subject: [PATCH 2/9] ci: Cache alpine packages

---
 .github/workflows/cpp-build.yml | 34 +++++++++++++++++++++++++--------
 1 file changed, 26 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/cpp-build.yml b/.github/workflows/cpp-build.yml
index d8abbe1..34d9ce6 100644
--- a/.github/workflows/cpp-build.yml
+++ b/.github/workflows/cpp-build.yml
@@ -42,14 +42,32 @@ jobs:
           - cpp_compiler: "clang++"
             alpine_version: "v3.20"
             cpp17_compatibility: "ON"
+    env:
+      apk_package_cache: "/var/cache/apk"
     steps:
       - uses: actions/checkout@v3
       - uses: jirutka/setup-alpine@v1
         with:
           branch: ${{ matrix.alpine_version }}
+      - name: Setup apk cache
+        run: |
+          mkdir -pv ${{ env.apk_package_cache }}
+          ln -s ${{ env.apk_package_cache }} /etc/apk/cache
+        shell: alpine.sh --root {0}
+      - name: Cache alpine packages
+        id: cache-dependencies
+        uses: actions/cache@v4
+        env:
+          cache-name: cache-alpine-packages
+        with:
+          path: ${{ env.apk_package_cache }}
+          key: alpine-${{ matrix.alpine_version }}-${{ env.cache-name }}
+      - if: ${{ steps.cache-dependencies.outputs.cache-hit != 'true' }}
+        name: Update apk repositories
+        run: apk update
+        shell: alpine.sh --root {0}
       - name: Install dependencies
         run: |
-            apk update
             apk add \
               cmake \
               ninja-build \
@@ -70,13 +88,13 @@ jobs:
         shell: alpine.sh --root {0}
       - name: Prepare
         run: |
-            CXX=/usr/bin/${{ matrix.cpp_compiler }} \
-              cmake . -B build -G Ninja \
-              -DCMAKE_BUILD_TYPE=Debug \
-              -DPPPLUGIN_SHARED=ON \
-              -DPPPLUGIN_ENABLE_EXAMPLES=ON \
-              -DPPPLUGIN_ENABLE_TESTS=ON \
-              -DPPPLUGIN_ENABLE_CPP17_COMPATIBILITY=${{ matrix.cpp17_compatibility }}
+          CXX=/usr/bin/${{ matrix.cpp_compiler }} \
+            cmake . -B build -G Ninja \
+            -DCMAKE_BUILD_TYPE=Debug \
+            -DPPPLUGIN_SHARED=ON \
+            -DPPPLUGIN_ENABLE_EXAMPLES=ON \
+            -DPPPLUGIN_ENABLE_TESTS=ON \
+            -DPPPLUGIN_ENABLE_CPP17_COMPATIBILITY=${{ matrix.cpp17_compatibility }}
         shell: alpine.sh {0}
       - name: Build
         run: |

From 20108ad9152277d969889fb72b023d851c7b01d9 Mon Sep 17 00:00:00 2001
From: Tamino Bauknecht <dev@tb6.eu>
Date: Fri, 14 Feb 2025 23:58:04 +0100
Subject: [PATCH 3/9] ci: Cache pip packages

---
 .github/workflows/cmake-lint.yml | 11 ++++++-----
 .github/workflows/format.yml     | 14 +++++++++-----
 2 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/.github/workflows/cmake-lint.yml b/.github/workflows/cmake-lint.yml
index 40b9c44..a126bd7 100644
--- a/.github/workflows/cmake-lint.yml
+++ b/.github/workflows/cmake-lint.yml
@@ -25,12 +25,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.13'
+          cache-dependency-path: '.github/workflows/cmake-lint.yml'
+          cache: 'pip'
       - name: Install dependencies
-        run: |
-            sudo apt update -y
-            sudo apt -y --no-install-recommends install \
-              python3-pip='22.*'
-            pip install cmakelint
+        run: pip install cmakelint
       - name: Execute cmakelint
         run: find . \( \( -path './build' -o -path '*/.*' \) -prune \) -o
           \( -type f -a -iname 'CMakeLists.txt' \)
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index f9d2f57..047a0e0 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -30,13 +30,18 @@ jobs:
       - uses: jirutka/setup-alpine@v1
         with:
           branch: v3.19
-      - name: Install dependencies
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.13'
+          cache-dependency-path: '.github/workflows/format.yml'
+          cache: 'pip'
+      - name: Install CMake linting tools
+        run: pip install cmakelint
+      - name: Install C++ linting tools
         run: |
             apk update
             apk add \
-              clang-extra-tools \
-              py3-pip
-            pip install --break-system-packages cmake-format
+              clang-extra-tools
         shell: alpine.sh --root {0}
       # Check all source and header C++ files; ignore files in hidden directories
       - name: Execute clang-format
@@ -51,4 +56,3 @@ jobs:
           \( -type f -a -name 'CMakeLists.txt' \)
           -exec echo "Format checking '{}'..." \;
           -exec cmake-format --check -- {} +
-        shell: alpine.sh {0}

From b3190d8607f8250d5d8b1989c30a2a236ca3b8d3 Mon Sep 17 00:00:00 2001
From: Tamino Bauknecht <dev@tb6.eu>
Date: Sat, 15 Feb 2025 00:28:46 +0100
Subject: [PATCH 4/9] ci: Use packages parameter of setup-alpine action

---
 .github/workflows/cmake-lint.yml   |  1 +
 .github/workflows/cpp-build.yml    | 47 +++++++++---------------------
 .github/workflows/cpp-lint.yml     | 30 +++++++++----------
 .github/workflows/cpp-unittest.yml | 39 ++++++++++++-------------
 .github/workflows/format.yml       | 25 ++++++++--------
 5 files changed, 58 insertions(+), 84 deletions(-)

diff --git a/.github/workflows/cmake-lint.yml b/.github/workflows/cmake-lint.yml
index a126bd7..5f1407b 100644
--- a/.github/workflows/cmake-lint.yml
+++ b/.github/workflows/cmake-lint.yml
@@ -32,6 +32,7 @@ jobs:
           cache: 'pip'
       - name: Install dependencies
         run: pip install cmakelint
+
       - name: Execute cmakelint
         run: find . \( \( -path './build' -o -path '*/.*' \) -prune \) -o
           \( -type f -a -iname 'CMakeLists.txt' \)
diff --git a/.github/workflows/cpp-build.yml b/.github/workflows/cpp-build.yml
index 34d9ce6..f3e0b89 100644
--- a/.github/workflows/cpp-build.yml
+++ b/.github/workflows/cpp-build.yml
@@ -42,50 +42,29 @@ jobs:
           - cpp_compiler: "clang++"
             alpine_version: "v3.20"
             cpp17_compatibility: "ON"
-    env:
-      apk_package_cache: "/var/cache/apk"
     steps:
       - uses: actions/checkout@v3
       - uses: jirutka/setup-alpine@v1
         with:
           branch: ${{ matrix.alpine_version }}
-      - name: Setup apk cache
-        run: |
-          mkdir -pv ${{ env.apk_package_cache }}
-          ln -s ${{ env.apk_package_cache }} /etc/apk/cache
-        shell: alpine.sh --root {0}
-      - name: Cache alpine packages
-        id: cache-dependencies
-        uses: actions/cache@v4
-        env:
-          cache-name: cache-alpine-packages
-        with:
-          path: ${{ env.apk_package_cache }}
-          key: alpine-${{ matrix.alpine_version }}-${{ env.cache-name }}
-      - if: ${{ steps.cache-dependencies.outputs.cache-hit != 'true' }}
-        name: Update apk repositories
-        run: apk update
-        shell: alpine.sh --root {0}
-      - name: Install dependencies
-        run: |
-            apk add \
-              cmake \
-              ninja-build \
-              g++ \
-              clang \
-              boost-dev \
-              boost-filesystem \
-              boost-python3 \
-              lua5.2-dev \
-              python3-dev \
-              fmt-dev \
-              gtest-dev
-        shell: alpine.sh --root {0}
+          packages: >
+            cmake
+            ninja-build
+            g++
+            clang
+            boost-dev
+            boost-filesystem
+            boost-python3
+            lua5.2-dev
+            python3-dev
+            fmt-dev
+            gtest-dev
       - name: Fixup environment
         run: |
           ln -s liblua-5.2.so.0 /usr/lib/liblua-5.2.so
           ln -s /usr/lib/ninja-build/bin/ninja /usr/bin/ninja
         shell: alpine.sh --root {0}
+
       - name: Prepare
         run: |
           CXX=/usr/bin/${{ matrix.cpp_compiler }} \
diff --git a/.github/workflows/cpp-lint.yml b/.github/workflows/cpp-lint.yml
index 7e52df3..65a0aaf 100644
--- a/.github/workflows/cpp-lint.yml
+++ b/.github/workflows/cpp-lint.yml
@@ -33,27 +33,24 @@ jobs:
       - uses: jirutka/setup-alpine@v1
         with:
           branch: v3.19
-      - name: Install dependencies
-        run: |
-            apk update
-            apk add \
-              cmake \
-              ninja-build \
-              g++ \
-              boost-dev \
-              boost-filesystem \
-              boost-python3 \
-              lua5.2-dev \
-              python3-dev \
-              fmt-dev \
-              gtest-dev \
-              clang-extra-tools
-        shell: alpine.sh --root {0}
+          packages: >
+            cmake
+            ninja-build
+            g++
+            boost-dev
+            boost-filesystem
+            boost-python3
+            lua5.2-dev
+            python3-dev
+            fmt-dev
+            gtest-dev
+            clang-extra-tools
       - name: Fixup environment
         run: |
           ln -s liblua-5.2.so.0 /usr/lib/liblua-5.2.so
           ln -s /usr/lib/ninja-build/bin/ninja /usr/bin/ninja
         shell: alpine.sh --root {0}
+
       - name: Generate compile_commands.json
         run: |
             cmake . -B build -G Ninja \
@@ -61,6 +58,7 @@ jobs:
               -DPPPLUGIN_ENABLE_TESTS=ON \
               -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
         shell: alpine.sh {0}
+
       # Check all source and header C++ files;
       # ignore files in the build directory or in hidden directories
       - name: Execute clang-tidy
diff --git a/.github/workflows/cpp-unittest.yml b/.github/workflows/cpp-unittest.yml
index 0bff528..b3dd2c7 100644
--- a/.github/workflows/cpp-unittest.yml
+++ b/.github/workflows/cpp-unittest.yml
@@ -37,22 +37,19 @@ jobs:
           branch: edge
           extra-repositories: |
               http://dl-cdn.alpinelinux.org/alpine/edge/testing
-      - name: Install dependencies
-        run: |
-            apk update
-            apk add \
-              cmake \
-              ninja-build \
-              g++ \
-              boost-dev \
-              boost-filesystem \
-              boost-python3 \
-              lua5.2-dev \
-              python3-dev \
-              fmt-dev \
-              gtest-dev \
-              lcov gzip
-        shell: alpine.sh --root {0}
+          packages: >
+            cmake
+            ninja-build
+            g++
+            boost-dev
+            boost-filesystem
+            boost-python3
+            lua5.2-dev
+            python3-dev
+            fmt-dev
+            gtest-dev
+            lcov
+            gzip
       - name: Fixup environment
         run: |
           ln -s liblua-5.2.so.0 /usr/lib/liblua-5.2.so
@@ -60,11 +57,11 @@ jobs:
         shell: alpine.sh --root {0}
       - name: Prepare
         run: |
-            cmake . -B build -G Ninja \
-              -DCMAKE_BUILD_TYPE=Debug \
-              -DPPPLUGIN_ENABLE_TESTS=ON \
-              -DPPPLUGIN_ENABLE_COVERAGE=ON \
-              -DPPPLUGIN_ENABLE_CPP17_COMPATIBILITY=${{ matrix.cpp17_compatibility }}
+          cmake . -B build -G Ninja \
+            -DCMAKE_BUILD_TYPE=Debug \
+            -DPPPLUGIN_ENABLE_TESTS=ON \
+            -DPPPLUGIN_ENABLE_COVERAGE=ON \
+            -DPPPLUGIN_ENABLE_CPP17_COMPATIBILITY=${{ matrix.cpp17_compatibility }}
         shell: alpine.sh {0}
       - name: Build
         run: |
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 047a0e0..d2eeac5 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -30,19 +30,9 @@ jobs:
       - uses: jirutka/setup-alpine@v1
         with:
           branch: v3.19
-      - uses: actions/setup-python@v5
-        with:
-          python-version: '3.13'
-          cache-dependency-path: '.github/workflows/format.yml'
-          cache: 'pip'
-      - name: Install CMake linting tools
-        run: pip install cmakelint
-      - name: Install C++ linting tools
-        run: |
-            apk update
-            apk add \
-              clang-extra-tools
-        shell: alpine.sh --root {0}
+          packages: >
+            clang-extra-tools
+
       # Check all source and header C++ files; ignore files in hidden directories
       - name: Execute clang-format
         run: find . \( -path '*/.*' -prune \) -o
@@ -50,6 +40,15 @@ jobs:
           -exec echo "Format checking '{}'..." \;
           -exec clang-format --dry-run --Werror --Wno-error=unknown {} +
         shell: alpine.sh {0}
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.13'
+          cache-dependency-path: '.github/workflows/format.yml'
+          cache: 'pip'
+      - name: Install CMake formatting tool
+        run: pip install cmake-format
+
       # Check all cmake files; ignore files in hidden directories
       - name: Execute cmake-format
         run: find . \( -path '*/.*' -prune \) -o

From 6594c646b13fee07abf06da047b74aaeeb8e8ad2 Mon Sep 17 00:00:00 2001
From: Tamino Bauknecht <dev@tb6.eu>
Date: Sat, 15 Feb 2025 00:40:19 +0100
Subject: [PATCH 5/9] ci: Split cmake and cpp format jobs

---
 .github/workflows/cmake-format.yml            | 41 +++++++++++++++++++
 .../workflows/{format.yml => cpp-format.yml}  | 22 ++--------
 2 files changed, 44 insertions(+), 19 deletions(-)
 create mode 100644 .github/workflows/cmake-format.yml
 rename .github/workflows/{format.yml => cpp-format.yml} (59%)

diff --git a/.github/workflows/cmake-format.yml b/.github/workflows/cmake-format.yml
new file mode 100644
index 0000000..1e92f53
--- /dev/null
+++ b/.github/workflows/cmake-format.yml
@@ -0,0 +1,41 @@
+name: "CMake Format"
+
+on:
+  # always run on main branch
+  push:
+    branches: [ main ]
+    paths-ignore:
+      - 'README.md'
+      - 'CONTRIBUTING.md'
+      - 'LICENSE'
+  # run on PR to main branch if relevant files changed
+  pull_request:
+    branches: [ main ]
+    paths:
+      - '**/CMakeLists.txt'
+      - '.github/workflows/cmake-format.yml'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  format:
+    name: "cmake-format"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.13'
+          cache-dependency-path: '.github/workflows/cmake-format.yml'
+          cache: 'pip'
+      - name: Install CMake formatting tool
+        run: pip install cmake-format
+
+      # Check all cmake files; ignore files in hidden directories
+      - name: Execute cmake-format
+        run: find . \( -path '*/.*' -prune \) -o
+          \( -type f -a -name 'CMakeLists.txt' \)
+          -exec echo "Format checking '{}'..." \;
+          -exec cmake-format --check -- {} +
diff --git a/.github/workflows/format.yml b/.github/workflows/cpp-format.yml
similarity index 59%
rename from .github/workflows/format.yml
rename to .github/workflows/cpp-format.yml
index d2eeac5..df59907 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/cpp-format.yml
@@ -1,4 +1,4 @@
-name: "C++/CMake Format"
+name: "C++ Format"
 
 on:
   # always run on main branch
@@ -14,8 +14,7 @@ on:
     paths:
       - '**/*.cpp'
       - '**/*.h'
-      - '**/CMakeLists.txt'
-      - '.github/workflows/format.yml'
+      - '.github/workflows/cpp-format.yml'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
@@ -23,7 +22,7 @@ concurrency:
 
 jobs:
   format:
-    name: "clang-format/cmake-format"
+    name: "clang-format"
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
@@ -40,18 +39,3 @@ jobs:
           -exec echo "Format checking '{}'..." \;
           -exec clang-format --dry-run --Werror --Wno-error=unknown {} +
         shell: alpine.sh {0}
-
-      - uses: actions/setup-python@v5
-        with:
-          python-version: '3.13'
-          cache-dependency-path: '.github/workflows/format.yml'
-          cache: 'pip'
-      - name: Install CMake formatting tool
-        run: pip install cmake-format
-
-      # Check all cmake files; ignore files in hidden directories
-      - name: Execute cmake-format
-        run: find . \( -path '*/.*' -prune \) -o
-          \( -type f -a -name 'CMakeLists.txt' \)
-          -exec echo "Format checking '{}'..." \;
-          -exec cmake-format --check -- {} +

From af7d0a5dd5041d37075aff8d29b28250b6552fb6 Mon Sep 17 00:00:00 2001
From: Tamino Bauknecht <dev@tb6.eu>
Date: Sat, 15 Feb 2025 00:53:56 +0100
Subject: [PATCH 6/9] ci: Move cpp-unittest to cpp-build to re-use build
 artifacts

---
 .github/workflows/cpp-build.yml    | 64 +++++++++++++++++++-
 .github/workflows/cpp-unittest.yml | 96 ------------------------------
 2 files changed, 62 insertions(+), 98 deletions(-)
 delete mode 100644 .github/workflows/cpp-unittest.yml

diff --git a/.github/workflows/cpp-build.yml b/.github/workflows/cpp-build.yml
index f3e0b89..c8623bd 100644
--- a/.github/workflows/cpp-build.yml
+++ b/.github/workflows/cpp-build.yml
@@ -1,4 +1,4 @@
-name: "C++ Build"
+name: "Build|Test"
 
 on:
   # always run on main branch
@@ -25,7 +25,7 @@ concurrency:
 
 jobs:
   build:
-    name: "gcc/clang build"
+    name: "build"
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -73,6 +73,7 @@ jobs:
             -DPPPLUGIN_SHARED=ON \
             -DPPPLUGIN_ENABLE_EXAMPLES=ON \
             -DPPPLUGIN_ENABLE_TESTS=ON \
+            -DPPPLUGIN_ENABLE_COVERAGE=ON \
             -DPPPLUGIN_ENABLE_CPP17_COMPATIBILITY=${{ matrix.cpp17_compatibility }}
         shell: alpine.sh {0}
       - name: Build
@@ -83,3 +84,62 @@ jobs:
         run: |
           cmake --install build
         shell: alpine.sh --root {0}
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: build_alpine-${{ matrix.alpine_version }}_${{ matrix.cpp_compiler }}_cpp17-${{ matrix.cpp17_compatibility }}
+          path: build
+
+  unittest:
+    name: "unittest"
+    needs: build
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        cpp17_compatibility: [ "ON", "OFF" ]
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/download-artifact@v4
+        with:
+          pattern: build_alpine-*_g++_cpp17-${{ matrix.cpp17_compatibility }}
+          path: build
+          merge-multiple: true
+      - name: Fix artifact permissions
+        run: chmod +x build/test/tests
+
+      - uses: jirutka/setup-alpine@v1
+        with:
+          branch: v3.20
+          packages: >
+            g++
+            gtest-dev
+            lcov
+            gzip
+
+      - name: Execute tests
+        run: |
+          lcov --capture --initial \
+            --directory . \
+            --ignore-errors mismatch \
+            --output-file baseline_coverage 
+          build/test/tests || echo $?
+          lcov --capture \
+            --directory . \
+            --ignore-errors mismatch \
+            --output-file total_coverage
+          lcov \
+            --add-tracefile baseline_coverage \
+            --add-tracefile total_coverage \
+            --ignore-errors mismatch \
+            --output-file measured_coverage
+          lcov --remove measured_coverage "/usr*" \
+            --ignore-errors mismatch \
+            --output-file coverage_without_system_files
+          lcov --remove coverage_without_system_files "*/test/*" \
+            --ignore-errors mismatch \
+            --output-file coverage_without_system_and_test_files
+          genhtml \
+            --output-directory coverage \
+            --legend coverage_without_system_and_test_files
+          lcov --list coverage_without_system_and_test_files
+        shell: alpine.sh {0}
diff --git a/.github/workflows/cpp-unittest.yml b/.github/workflows/cpp-unittest.yml
deleted file mode 100644
index b3dd2c7..0000000
--- a/.github/workflows/cpp-unittest.yml
+++ /dev/null
@@ -1,96 +0,0 @@
-name: "C++ Unittests"
-
-on:
-  # always run on main branch
-  push:
-    branches: [ main ]
-    paths-ignore:
-      - 'README.md'
-      - 'CONTRIBUTING.md'
-      - 'LICENSE'
-  # run on PR to main branch if relevant files changed
-  pull_request:
-    branches: [ main ]
-    paths:
-      - 'src/**'
-      - 'include/**'
-      - 'test/**'
-      - 'CMakeLists.txt'
-      - '.github/workflows/cpp-unittest.yml'
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
-
-
-jobs:
-  unittest:
-    name: "unittests"
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        cpp17_compatibility: [ "ON", "OFF" ]
-    steps:
-      - uses: actions/checkout@v3
-      - uses: jirutka/setup-alpine@v1
-        with:
-          branch: edge
-          extra-repositories: |
-              http://dl-cdn.alpinelinux.org/alpine/edge/testing
-          packages: >
-            cmake
-            ninja-build
-            g++
-            boost-dev
-            boost-filesystem
-            boost-python3
-            lua5.2-dev
-            python3-dev
-            fmt-dev
-            gtest-dev
-            lcov
-            gzip
-      - name: Fixup environment
-        run: |
-          ln -s liblua-5.2.so.0 /usr/lib/liblua-5.2.so
-          ln -s /usr/lib/ninja-build/bin/ninja /usr/bin/ninja
-        shell: alpine.sh --root {0}
-      - name: Prepare
-        run: |
-          cmake . -B build -G Ninja \
-            -DCMAKE_BUILD_TYPE=Debug \
-            -DPPPLUGIN_ENABLE_TESTS=ON \
-            -DPPPLUGIN_ENABLE_COVERAGE=ON \
-            -DPPPLUGIN_ENABLE_CPP17_COMPATIBILITY=${{ matrix.cpp17_compatibility }}
-        shell: alpine.sh {0}
-      - name: Build
-        run: |
-          cmake --build build -j
-        shell: alpine.sh {0}
-      - name: Execute tests
-        run: |
-          lcov --capture --initial \
-            --directory . \
-            --ignore-errors mismatch \
-            --output-file baseline_coverage 
-          build/test/tests || echo $?
-          lcov --capture \
-            --directory . \
-            --ignore-errors mismatch \
-            --output-file total_coverage
-          lcov \
-            --add-tracefile baseline_coverage \
-            --add-tracefile total_coverage \
-            --ignore-errors mismatch \
-            --output-file measured_coverage
-          lcov --remove measured_coverage "/usr*" \
-            --ignore-errors mismatch \
-            --output-file coverage_without_system_files
-          lcov --remove coverage_without_system_files "*/test/*" \
-            --ignore-errors mismatch \
-            --output-file coverage_without_system_and_test_files
-          genhtml \
-            --output-directory coverage \
-            --legend coverage_without_system_and_test_files
-          lcov --list coverage_without_system_and_test_files
-        shell: alpine.sh {0}

From 3adfc779d09d4dc9d51393f7955a064e9abe4208 Mon Sep 17 00:00:00 2001
From: Tamino Bauknecht <dev@tb6.eu>
Date: Sat, 15 Feb 2025 01:27:03 +0100
Subject: [PATCH 7/9] ci: Only use coverage with GCC and replace
 cpp17_compatibility by cpp_version

---
 .github/workflows/cpp-build.yml | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/cpp-build.yml b/.github/workflows/cpp-build.yml
index c8623bd..4d612a2 100644
--- a/.github/workflows/cpp-build.yml
+++ b/.github/workflows/cpp-build.yml
@@ -32,16 +32,16 @@ jobs:
         include:
           - cpp_compiler: "g++"
             alpine_version: "v3.20"
-            cpp17_compatibility: "ON"
+            cpp_version: "cpp17"
           - cpp_compiler: "clang++"
             alpine_version: "v3.19"
-            cpp17_compatibility: "OFF"
+            cpp_version: "cpp17"
           - cpp_compiler: "g++"
             alpine_version: "v3.19"
-            cpp17_compatibility: "OFF"
+            cpp_version: "cpp20"
           - cpp_compiler: "clang++"
             alpine_version: "v3.20"
-            cpp17_compatibility: "ON"
+            cpp_version: "cpp20"
     steps:
       - uses: actions/checkout@v3
       - uses: jirutka/setup-alpine@v1
@@ -73,8 +73,8 @@ jobs:
             -DPPPLUGIN_SHARED=ON \
             -DPPPLUGIN_ENABLE_EXAMPLES=ON \
             -DPPPLUGIN_ENABLE_TESTS=ON \
-            -DPPPLUGIN_ENABLE_COVERAGE=ON \
-            -DPPPLUGIN_ENABLE_CPP17_COMPATIBILITY=${{ matrix.cpp17_compatibility }}
+            -DPPPLUGIN_ENABLE_COVERAGE=${{ matrix.cpp_compiler == 'g++' && 'ON' || 'OFF' }} \
+            -DPPPLUGIN_ENABLE_CPP17_COMPATIBILITY=${{ matrix.cpp_version == 'cpp17' && 'ON' || 'OFF' }}
         shell: alpine.sh {0}
       - name: Build
         run: |
@@ -87,7 +87,7 @@ jobs:
 
       - uses: actions/upload-artifact@v4
         with:
-          name: build_alpine-${{ matrix.alpine_version }}_${{ matrix.cpp_compiler }}_cpp17-${{ matrix.cpp17_compatibility }}
+          name: build_alpine-${{ matrix.alpine_version }}_${{ matrix.cpp_compiler }}_${{ matrix.cpp_version }}
           path: build
 
   unittest:
@@ -96,12 +96,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        cpp17_compatibility: [ "ON", "OFF" ]
+        cpp_version: [ "cpp17", "cpp20" ]
     steps:
       - uses: actions/checkout@v3
       - uses: actions/download-artifact@v4
         with:
-          pattern: build_alpine-*_g++_cpp17-${{ matrix.cpp17_compatibility }}
+          pattern: build_alpine-*_g++_${{ matrix.cpp_version }}
           path: build
           merge-multiple: true
       - name: Fix artifact permissions

From ca3c424528a36cc344a3b7818f7c21c3799f98d8 Mon Sep 17 00:00:00 2001
From: Tamino Bauknecht <dev@tb6.eu>
Date: Sat, 15 Feb 2025 01:27:39 +0100
Subject: [PATCH 8/9] ci: Retain build artifacts for only 5 days

---
 .github/workflows/cpp-build.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/cpp-build.yml b/.github/workflows/cpp-build.yml
index 4d612a2..5543032 100644
--- a/.github/workflows/cpp-build.yml
+++ b/.github/workflows/cpp-build.yml
@@ -89,6 +89,7 @@ jobs:
         with:
           name: build_alpine-${{ matrix.alpine_version }}_${{ matrix.cpp_compiler }}_${{ matrix.cpp_version }}
           path: build
+          retention-days: 5
 
   unittest:
     name: "unittest"

From 8e5d2eaaa60e6cdbc1482d1521a76c570600eaa7 Mon Sep 17 00:00:00 2001
From: Tamino Bauknecht <dev@tb6.eu>
Date: Sat, 15 Feb 2025 01:37:29 +0100
Subject: [PATCH 9/9] ci: Ignore source errors for coverage calculation

This allows the job to run without the build dependencies.
Alternatively, this flag can be removed in favor of installing the
dependencies for the header files.
---
 .github/workflows/cpp-build.yml | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/cpp-build.yml b/.github/workflows/cpp-build.yml
index 5543032..7c5215f 100644
--- a/.github/workflows/cpp-build.yml
+++ b/.github/workflows/cpp-build.yml
@@ -121,23 +121,23 @@ jobs:
         run: |
           lcov --capture --initial \
             --directory . \
-            --ignore-errors mismatch \
+            --ignore-errors mismatch,source \
             --output-file baseline_coverage 
           build/test/tests || echo $?
           lcov --capture \
             --directory . \
-            --ignore-errors mismatch \
+            --ignore-errors mismatch,source \
             --output-file total_coverage
           lcov \
             --add-tracefile baseline_coverage \
             --add-tracefile total_coverage \
-            --ignore-errors mismatch \
+            --ignore-errors mismatch,source \
             --output-file measured_coverage
           lcov --remove measured_coverage "/usr*" \
-            --ignore-errors mismatch \
+            --ignore-errors mismatch,source \
             --output-file coverage_without_system_files
           lcov --remove coverage_without_system_files "*/test/*" \
-            --ignore-errors mismatch \
+            --ignore-errors mismatch,source \
             --output-file coverage_without_system_and_test_files
           genhtml \
             --output-directory coverage \