add clang-format-14

.github/workflows/ghcr-push.yml

@@ -32,6 +32,31 @@ jobs:
       run: |
         docker build -f clang-format-16.dockerfile -t "$SLUG:latest" -t "$SLUG:$DATE" .
 
+    - name: Publish to GHCR
+      run: |
+        echo '${{secrets.GHCR_TOKEN}}' | docker login ghcr.io -u cwpearson --password-stdin
+        docker push "$SLUG:latest"
+        docker push "$SLUG:$DATE"
+  build-14:
+    name: Build + Publish 14
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+    - uses: actions/checkout@v4
+      name: Checkout
+
+    - name: Set Environment
+      run: |
+        echo "SLUG=ghcr.io/cwpearson/clang-format-14" >> $GITHUB_ENV
+        echo "DATE=$(date +"%Y%m%d")" >> $GITHUB_ENV
+
+    - name: Build
+      run: |
+        docker build -f clang-format-14.dockerfile -t "$SLUG:latest" -t "$SLUG:$DATE" .
+
     - name: Publish to GHCR
       run: |
         echo '${{secrets.GHCR_TOKEN}}' | docker login ghcr.io -u cwpearson --password-stdin

clang-format-14.dockerfile

@@ -0,0 +1,44 @@
+# Stage 1: Build environment
+FROM docker.io/redhat/ubi8 AS builder
+
+RUN dnf install -y \
+    cmake \
+    gcc \
+    gcc-c++ \
+    python3 \
+    wget \
+    xz \
+    && dnf clean all
+
+RUN wget -q https://github.com/llvm/llvm-project/releases/download/llvmorg-14.0.6/llvm-project-14.0.6.src.tar.xz \
+    && tar -xf llvm-project-14.0.6.src.tar.xz
+RUN cmake -S llvm-project-14.0.6.src/llvm -B build \
+  -DLLVM_ENABLE_PROJECTS='clang' \
+  -DCMAKE_BUILD_TYPE=MinSizeRel \
+  -DLLVM_TARGETS_TO_BUILD=""
+RUN make -C build -j$(nproc) install
+
+# base final image off ubi8-micro
+FROM docker.io/redhat/ubi8-micro
+
+LABEL maintainer="Carl Pearson <me@carlpearson.net>"
+LABEL org.opencontainers.image.title="clang-format 14"
+LABEL description="A container with clang-format 14"
+LABEL org.opencontainers.image.description="A container with clang-format 14"
+LABEL org.opencontainers.image.source https://github.com/cwpearson/clang-format
+LABEL org.opencontainers.image.licenses="MIT"
+# LABEL version="1.0"
+# LABEL org.opencontainers.image.version="1.0"
+# LABEL org.opencontainers.image.url="https://example.com"
+# LABEL org.opencontainers.image.documentation="https://example.com/docs"
+# LABEL org.opencontainers.image.vendor="Example Corp"
+
+# clang-format-14 links this
+COPY --from=builder /lib64/libstdc++.so.6 /lib64/libstdc++.so.6
+# keep clang-format binary only
+COPY --from=builder /usr/local/bin/clang-format /usr/local/bin/clang-format
+# also provide clang-format-14
+RUN ln -s /usr/local/bin/clang-format /usr/local/bin/clang-format-14
+
+# expect caller to map $PWD into /src with -v flag
+WORKDIR /src