feat: add mtran ROS2 translation service

src/mtran/test/test_cmake_preparation.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+root=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)
+fixture_root=$(mktemp -d)
+trap 'rm -rf "${fixture_root}"' EXIT
+fixture="${fixture_root}/mtran"
+
+rsync -a \
+  --exclude '.build/' \
+  --exclude 'build/' \
+  --exclude 'install/' \
+  --exclude 'log/' \
+  --exclude 'vendor/' \
+  --exclude 'dependencies/tools/' \
+  --exclude 'runtime/' \
+  --exclude 'models/en_zh-Hans/' \
+  "${root}/" "${fixture}/"
+
+# shellcheck disable=SC1091
+set +u
+source /opt/ros/humble/setup.bash
+set -u
+
+if missing_output=$(cmake -S "${fixture}" -B "${fixture}/build-missing" 2>&1); then
+  echo "CMake unexpectedly configured without prepared runtime files" >&2
+  exit 1
+fi
+grep -Fq './dependencies/auto_install.sh' <<< "${missing_output}"
+grep -Fq 'runtime/bin/mtranserver' <<< "${missing_output}"
+
+mkdir -p "${fixture}/runtime/bin" \
+  "${fixture}/runtime/config" \
+  "${fixture}/models/en_zh-Hans"
+printf '#!/usr/bin/env bash\nexit 0\n' > "${fixture}/runtime/bin/mtranserver"
+chmod +x "${fixture}/runtime/bin/mtranserver"
+printf '{"data":[]}\n' > "${fixture}/runtime/config/records.json"
+for model_file in \
+  model.enzh.intgemm.alphas.bin \
+  lex.50.50.enzh.s2t.bin \
+  srcvocab.enzh.spm \
+  trgvocab.enzh.spm; do
+  printf 'fixture\n' > "${fixture}/models/en_zh-Hans/${model_file}"
+done
+
+cmake -S "${fixture}" -B "${fixture}/build-ready" -DBUILD_TESTING=OFF >/dev/null
+
+grep -Fq 'runtime/bin/mtranserver DESTINATION lib/${PROJECT_NAME}' "${fixture}/CMakeLists.txt"
+grep -Fq 'models/en_zh-Hans DESTINATION share/${PROJECT_NAME}/models' "${fixture}/CMakeLists.txt"
+grep -Fq 'runtime/config/records.json DESTINATION share/${PROJECT_NAME}/mtranserver_config' \
+  "${fixture}/CMakeLists.txt"
+
+printf 'CMake preparation tests passed\n'