Remove vcs import in ansible (#198)

* Remove vcs import in ansible

Signed-off-by: kosuke55 <kosuke.tnp@gmail.com>

* Update installation steps

Signed-off-by: Kenji Miyake <kenji.miyake@tier4.jp>

Co-authored-by: Kenji Miyake <kenji.miyake@tier4.jp>

ansible/localhost-setup-ubuntu20.04-devpc.yml

@@ -16,6 +16,5 @@
     - { role: cuda, when: yn_gpu == 'y', tags: ["cuda"] }
     - { role: tensorrt, when: yn_gpu == 'y', tags: ["tensorrt"] }
     - { role: ros2, rosdistro: galactic, tags: ["ros2"] }
-    - { role: vcs, tags: ["vcs"] }
     - { role: autoware, rosdistro: galactic, tags: ["autoware"] }
     - { role: pacmod, rosdistro: galactic, tags: ["pacmod"] }

docs/tutorial/HowToInstall.md

@@ -9,6 +9,9 @@ mkdir -p ~/workspace
 cd ~/workspace
 git clone git@github.com:tier4/autoware.proj.git
 cd autoware.proj
+mkdir src
+vcs import src < autoware.proj.repos
+rosdep install -y --from-paths src --ignore-src --rosdistro $ROS_DISTRO
 ```
 
 2. Run the setup script to install CUDA, cuDNN 8, OSQP, ROS 2 and TensorRT 7, entering 'y' when prompted (this step will take around 45 minutes)
@@ -21,7 +24,26 @@ cd autoware.proj
 
 ```sh
 source ~/.bashrc
-colcon build --cmake-args -DCMAKE_BUILD_TYPE=Release --catkin-skip-building-tests
+colcon build --symlink-install --cmake-args -DCMAKE_BUILD_TYPE=Release
 ```
 
 > Several modules will report stderr output, but these are just warnings and can be safely ignored.
+
+## Updating workspace
+
+When you update your workspace after installation, please follow the steps below.
+
+```sh
+cd autoware.proj
+git pull
+
+# Usually you can ignore this step, but note that it sometimes causes errors.
+rm -rf src
+mkdir src
+rm -rf build/ install/ log/
+
+vcs import src < autoware.proj.repos
+vcs pull src
+rosdep install -y --from-paths src --ignore-src --rosdistro $ROS_DISTRO
+colcon build --symlink-install --cmake-args -DCMAKE_BUILD_TYPE=Release
+```