Meta: Run IPC magic number linter during CI and pre-commit

Author: https://github.com/BenWiederhake
Commit: https://github.com/SerenityOS/serenity/commit/8f65153b032
Pull-request: https://github.com/SerenityOS/serenity/pull/10748
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/trflynn89

Meta/Azure/Lagom.yml

@@ -105,7 +105,8 @@ jobs:
     - ${{ if eq(parameters.lagom_lints, true) }}:
       - script: |
           ./Meta/check-markdown.sh
-        displayName: 'Check Markdown'
+          git ls-files '*.ipc' | xargs ./Meta/Lagom/Build/Tools/IPCMagicLinter/IPCMagicLinter
+        displayName: 'Run lints that require Lagom'
         workingDirectory: $(Build.SourcesDirectory)/
         env:
           MARKDOWN_CHECK_BINARY: ./Meta/Lagom/Build/markdown-check

Meta/lint-ci.sh

@@ -40,6 +40,17 @@ for cmd in \
     fi
 done
 
+if [ -x ./Build/lagom/Tools/IPCMagicLinter/IPCMagicLinter ]; then
+    if git ls-files '*.ipc' | xargs ./Build/lagom/Tools/IPCMagicLinter/IPCMagicLinter; then
+        echo -e "[${GREEN}OK${NC}]: IPCMagicLinter (in Meta/lint-ci.sh)"
+    else
+        echo -e "[${RED}FAIL${NC}]: IPCMagicLinter (in Meta/lint-ci.sh)"
+        ((FAILURES+=1))
+    fi
+else
+    echo -e "[${GREEN}SKIP${NC}]: IPCMagicLinter (in Meta/lint-ci.sh)"
+fi
+
 echo "Running Meta/lint-clang-format.sh"
 if Meta/lint-clang-format.sh --overwrite-inplace "$@" && git diff --exit-code; then
     echo -e "[${GREEN}OK${NC}]: Meta/lint-clang-format.sh"