introduce pixi

Author: 16bit-ykiko

.gitattributes

@@ -0,0 +1,2 @@
+# SCM syntax highlighting & preventing 3-way merges
+pixi.lock merge=binary linguist-language=YAML linguist-generated=true -diff

.github/workflows/cmake.yml

@@ -31,8 +31,8 @@ jobs:
             cxx: clang++
           - os: ubuntu-24.04
             build_type: Debug
-            cc: clang-20
-            cxx: clang++-20
+            cc: clang
+            cxx: clang++
           - os: macos-15
             build_type: Debug
             cc: clang
@@ -41,49 +41,21 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-      - name: Setup dependencies (Windows)
-        if: runner.os == 'Windows'
-        uses: MinoruSekine/setup-scoop@v4.0.1
-        with:
-          buckets: main
-          apps: ninja
-
-      - name: Setup dependencies (Linux)
-        if: runner.os == 'Linux'
-        run: |
-          sudo apt update
-          sudo apt install -y gcc-14 g++-14 libstdc++-14-dev
-          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-14 100
-          sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-14 100
-          sudo update-alternatives --set gcc /usr/bin/gcc-14
-          sudo update-alternatives --set g++ /usr/bin/g++-14
-          wget https://apt.llvm.org/llvm.sh
-          chmod +x llvm.sh
-          sudo ./llvm.sh 20 all
-          sudo apt install -y cmake ninja-build
-
-      - name: Setup dependencies (MacOS)
-        if: runner.os == 'macOS'
-        env:
-          HOMEBREW_NO_AUTO_UPDATE: 1
-        run: |
-          brew install llvm@20 lld@20
-
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - name: Setup msvc sysroot for cmake
-        if: runner.os == 'Windows'
-        uses: ilammy/msvc-dev-cmd@v1
+      - name: Setup Pixi
+        uses: prefix-dev/setup-pixi@v0.8.1
+        with:
+          pixi-version: v0.39.0
+          environments: develop
+          activate-environment: true
+          cache: true
+          locked: true
 
       - name: Build clice
         shell: bash
         run: |
-          if [[ "${{ runner.os }}" == "macOS" ]]; then
-            export SDKROOT=$(xcrun --show-sdk-path)
-            export PATH="/opt/homebrew/opt/llvm@20/bin:/opt/homebrew/opt/lld@20/bin:$PATH"
-          fi
-
           cmake -B build -G Ninja \
             -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} \
             -DCMAKE_C_COMPILER=${{ matrix.cc }} \
@@ -93,9 +65,6 @@ jobs:
 
           cmake --build build
 
-      - name: Install uv for integration tests
-        uses: astral-sh/setup-uv@v6
-
       - name: Run tests
         shell: bash
         run: |
@@ -104,9 +73,5 @@ jobs:
             EXE_EXT=".exe"
           fi
 
-          if [[ "${{ runner.os }}" == "macOS" ]]; then
-            export PATH="/opt/homebrew/opt/llvm@20/bin:/opt/homebrew/opt/lld@20/bin:$PATH"
-          fi
-
           ./build/bin/unit_tests${EXE_EXT} --test-dir="./tests/data"
           uv run --project tests pytest -s --log-cli-level=INFO tests/integration --executable=./build/bin/clice${EXE_EXT}

.gitignore

@@ -60,3 +60,6 @@ tests/unit/Local/
 .vs/
 .idea/
 .claude
+.env# pixi environments
+.pixi/*
+!.pixi/config.toml