[GitHub][CI] Add container for the abi-tests

Author: tstellar

.github/workflows/containers/github-action-ci-tooling/Dockerfile

@@ -48,6 +48,8 @@ RUN echo '%sudo ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
 
 
 FROM base AS ci-container-build-tools
+ARG LLVM_VERSION
+ARG LLVM_VERSION_MAJOR
 
 COPY --from=llvm-downloader /llvm-extract/LLVM-${LLVM_VERSION}-Linux-X64/bin/clang-${LLVM_VERSION_MAJOR} \
                             ${LLVM_SYSROOT}/bin/
@@ -83,7 +85,7 @@ USER gha
 WORKDIR /home/gha
 
 
-FROM base AS ci-container-build-tools
+FROM ci-container-build-tools AS ci-container-code-lint
 ARG LLVM_VERSION
 ARG LLVM_VERSION_MAJOR
 
@@ -97,3 +99,24 @@ RUN pip install -r requirements_linting.txt --break-system-packages && \
     rm requirements_linting.txt
 USER gha
 WORKDIR /home/gha
+
+
+FROM ci-container-build-tools as ci-container-abi-tests
+
+RUN apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -y \
+    abi-compliance-checker \
+    abi-dumper \
+    autoconf \
+    pkg-config && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+RUN git clone https://github.com/universal-ctags/ctags.git && \
+    cd ctags && \
+    ./autogen.sh && \
+    ./configure && \
+    sudo make install && \
+    rm -Rf ../ctags
+
+

.github/workflows/llvm-abi-tests.yml

@@ -72,6 +72,8 @@ jobs:
     if: github.repository_owner == 'llvm'
     needs: abi-dump-setup
     runs-on: ubuntu-24.04
+    container:
+      image: ${{ format('ghcr.io/{0}/ci-container-abi-tests',github.repository_owner) }}
     strategy:
       matrix:
         name:
@@ -87,19 +89,6 @@ jobs:
             ref: ${{ github.sha }}
             repo: ${{ github.repository }}
     steps:
-      - name: Install Ninja
-        uses: llvm/actions/install-ninja@42d80571b13f4599bbefbc7189728b64723c7f78 # main
-      - name: Install abi-compliance-checker
-        run: |
-          sudo apt-get update
-          sudo apt-get -y install abi-dumper autoconf pkg-config
-      - name: Install universal-ctags
-        run: |
-          git clone https://github.com/universal-ctags/ctags.git
-          cd ctags
-          ./autogen.sh
-          ./configure
-          sudo make install
       - name: Download source code
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
@@ -143,6 +132,8 @@ jobs:
   abi-compare:
     if: github.repository_owner == 'llvm'
     runs-on: ubuntu-24.04
+    container:
+      image: ${{ format('ghcr.io/{0}/ci-container-abi-tests',github.repository_owner) }}
     needs:
       - abi-dump-setup
       - abi-dump
@@ -163,10 +154,6 @@ jobs:
           name: symbol-list
           path: symbol-list
 
-      - name: Install abi-compliance-checker
-        run: |
-          sudo apt-get update
-          sudo apt-get -y install abi-compliance-checker
       - name: Compare ABI
         run: |
           if [ -s symbol-list/llvm.symbols ]; then