ci: add capability to handle container initialisation steps to sync.py

.github/workflows/__test-proxy.yml

@@ -38,16 +38,6 @@ jobs:
     timeout-minutes: 45
     runs-on: ${{ matrix.os }}
     steps:
-      - name: Setup Python on macOS
-        uses: actions/setup-python@v5
-        if: runner.os == 'macOS' && matrix.version == 'stable-v2.14.6'
-        with:
-          python-version: '3.11'
-      - name: Check out repository
-        uses: actions/checkout@v4
-        env:
-          https_proxy: http://squid-proxy:3128
-          CODEQL_ACTION_TEST_MODE: true
       - name: Set up GitHub CLI
         run: |
           apt update
@@ -56,6 +46,14 @@ jobs:
           apt-key add /usr/share/keyrings/githubcli-archive-keyring.gpg
           apt-add-repository https://cli.github.com/packages
           apt install -y gh
+        env: {}
+      - name: Setup Python on macOS
+        uses: actions/setup-python@v5
+        if: runner.os == 'macOS' && matrix.version == 'stable-v2.14.6'
+        with:
+          python-version: '3.11'
+      - name: Check out repository
+        uses: actions/checkout@v4
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
@@ -63,16 +61,10 @@ jobs:
           version: ${{ matrix.version }}
           use-all-platform-bundle: 'false'
           setup-kotlin: 'false'
-        env:
-            https_proxy: http://squid-proxy:3128
-            CODEQL_ACTION_TEST_MODE: true
       - uses: ./../action/init
         with:
           languages: javascript
           tools: ${{ steps.prepare-test.outputs.tools-url }}
-        env:
-          https_proxy: http://squid-proxy:3128
-          CODEQL_ACTION_TEST_MODE: true
       - uses: ./../action/analyze
     env:
       https_proxy: http://squid-proxy:3128

pr-checks/checks/test-proxy.yml

@@ -4,7 +4,17 @@ versions: ["linked", "nightly-latest"]
 operatingSystems: ["ubuntu"]
 container:
   image: ubuntu:22.04
-  options: --dns 127.0.0.1
+  options: --dns 8.8.8.8
+container-init-steps:
+  name: Set up GitHub CLI
+  run: |
+    apt update
+    apt install -y curl libreadline8 gnupg2 software-properties-common zstd
+    curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | dd of=/usr/share/keyrings/githubcli-archive-keyring.gpg
+    apt-key add /usr/share/keyrings/githubcli-archive-keyring.gpg
+    apt-add-repository https://cli.github.com/packages
+    apt install -y gh
+  env: {}
 services:
   squid-proxy:
     image: ubuntu/squid:latest

pr-checks/sync.py

@@ -124,6 +124,12 @@ for file in (this_dir / 'checks').glob('*.yml'):
         },
     ]
 
+    # If container initialisation steps are present in the check specification,
+    # make sure to execute them first.
+    if 'container' in checkSpecification and 'container-init-steps' in checkSpecification:
+        steps.insert(0, checkSpecification['container-init-steps'])
+
+
     steps.extend(checkSpecification['steps'])
 
     checkJob = {