Tighten Linux apt install set for setup script

scripts/setup.sh

@@ -0,0 +1,176 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+DOCS=false
+CLONE_DIR=""
+REPO_URL="https://github.com/payoto/rsvs3d.git"
+
+usage() {
+  cat <<'USAGE'
+Usage: setup.sh [options]
+
+Options:
+  --docs              Install documentation toolchain (Doxygen + Graphviz).
+  --clone-dir <path>  Clone the repository into <path> if it is not already present.
+  --repo-url <url>    Override the repository URL to clone (default: https://github.com/payoto/rsvs3d.git).
+  -h, --help          Show this help and exit.
+USAGE
+}
+
+log() {
+  printf '[setup] %s\n' "$*"
+}
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --docs)
+      DOCS=true
+      shift
+      ;;
+    --clone-dir)
+      [[ $# -ge 2 ]] || { echo "Missing value for --clone-dir" >&2; exit 1; }
+      CLONE_DIR=$2
+      shift 2
+      ;;
+    --repo-url)
+      [[ $# -ge 2 ]] || { echo "Missing value for --repo-url" >&2; exit 1; }
+      REPO_URL=$2
+      shift 2
+      ;;
+    -h|--help)
+      usage
+      exit 0
+      ;;
+    *)
+      echo "Unknown option: $1" >&2
+      usage
+      exit 1
+      ;;
+  esac
+done
+
+if ! command -v git >/dev/null 2>&1; then
+  echo "Error: git is required but not installed." >&2
+  exit 1
+fi
+
+if [ -d ".git" ]; then
+  REPO_ROOT=$(git rev-parse --show-toplevel)
+  cd "$REPO_ROOT"
+else
+  TARGET_DIR=${CLONE_DIR:-rsvs3d}
+  if [ -d "$TARGET_DIR/.git" ]; then
+    cd "$TARGET_DIR"
+  else
+    log "Cloning $REPO_URL into $TARGET_DIR"
+    git clone "$REPO_URL" "$TARGET_DIR"
+    cd "$TARGET_DIR"
+  fi
+fi
+
+log "Updating git submodules"
+git submodule sync --recursive
+ORIGIN_URL=$(git config --get remote.origin.url || echo "")
+if [[ "$ORIGIN_URL" == https://* || -z "$ORIGIN_URL" ]]; then
+  git config submodule.SRCC/modules/tetgen.url https://github.com/payoto/tetgen.git
+  git config submodule.SRCC/modules/rsvs3d-externals.url https://github.com/payoto/rsvs3d-externals.git
+fi
+git submodule update --init --recursive --jobs 4
+
+OS=$(uname -s)
+case "$OS" in
+  Linux)
+    if command -v apt-get >/dev/null 2>&1; then
+      log "Installing Linux build dependencies with apt-get"
+      apt_get() {
+        if [ "${EUID:-$(id -u)}" -eq 0 ]; then
+          DEBIAN_FRONTEND=noninteractive apt-get "$@"
+        elif command -v sudo >/dev/null 2>&1; then
+          sudo DEBIAN_FRONTEND=noninteractive apt-get "$@"
+        else
+          echo "Error: run as root or install sudo to manage packages." >&2
+          exit 1
+        fi
+      }
+      apt_install() {
+        apt_get install --no-install-recommends -y "$@"
+      }
+      apt_get update
+      apt_install \
+        build-essential g++-9 make cmake git \
+        xorg-dev libglu1-mesa-dev xpra xserver-xorg-video-dummy freeglut3-dev \
+        mesa-common-dev libgl1 libglfw3-dev libglew-dev libxi-dev libxmu-dev libxrandr-dev libxinerama-dev libxcursor-dev \
+        pkg-config
+      if $DOCS; then
+        log "Installing Linux documentation toolchain"
+        apt_install doxygen graphviz libclang-cpp9 libclang1-9
+      fi
+    else
+      echo "Unsupported Linux distribution: apt-get not found." >&2
+      exit 1
+    fi
+    ;;
+  Darwin)
+    if command -v brew >/dev/null 2>&1; then
+      log "Installing macOS build dependencies with Homebrew"
+      brew update
+      brew install gcc make cmake git glfw glew pkg-config
+      brew install --cask xquartz
+      if $DOCS; then
+        log "Installing macOS documentation toolchain"
+        brew install doxygen graphviz
+      fi
+    else
+      echo "Homebrew is required on macOS. Install it from https://brew.sh/ and re-run this script." >&2
+      exit 1
+    fi
+    ;;
+  MINGW*|MSYS*|CYGWIN*)
+    if command -v powershell.exe >/dev/null 2>&1; then
+      if $DOCS; then
+        DOCS_FLAG="true"
+      else
+        DOCS_FLAG="false"
+      fi
+      log "Installing Windows build dependencies with Chocolatey"
+      powershell.exe -NoLogo -NoProfile -ExecutionPolicy Bypass -Command "
+\$docFlag = [bool]::Parse('$DOCS_FLAG');
+if (-not (Get-Command choco -ErrorAction SilentlyContinue)) {
+  Write-Error 'Chocolatey is required. Install it from https://chocolatey.org/install and re-run.';
+  exit 1
+}
+choco install -y git make mingw cmake
+if (\$docFlag) {
+  choco install -y doxygen graphviz
+}
+" || {
+        echo "Chocolatey-based installation failed." >&2
+        exit 1
+      }
+    else
+      echo "powershell.exe is required on Windows to install dependencies." >&2
+      exit 1
+    fi
+    ;;
+  *)
+    echo "Unsupported operating system: $OS" >&2
+    exit 1
+    ;;
+esac
+
+log "Setup complete."
+cat <<'NEXT'
+Next steps:
+  1. cd SRCC
+  2. Run make targets such as:
+       make all
+       make testall
+       make distribution
+  3. To execute the test suite, use: ./RSVS3D --test --no-gui
+If you enabled --docs, build API docs with: cd SRCC && doxygen docs/Doxyfile
+NEXT
+if [[ "$OS" == Linux ]] && grep -qi microsoft /proc/version 2>/dev/null; then
+  cat <<'WSL'
+WSL2 hint: remember to export DISPLAY and LIBGL_ALWAYS_INDIRECT as described in the README before launching the GUI.
+WSL
+fi