feat(template_ws): Perform apt-get update and rosdep update in `.…

…bashrc`, Remove redundant `postCreateCommand.sh`

template_ws/.devcontainer/devcontainer.json

@@ -19,7 +19,5 @@
                 "ms-iot.vscode-ros"
             ]
         }
-    },
-    // Lifecycle scripts
-    "postCreateCommand": "${containerWorkspaceFolder}/.devcontainer/postCreateCommand.sh"
+    }
 }

template_ws/docker/.bashrc

@@ -1,10 +1,23 @@
 # Source global ROS2 environment
 source /opt/ros/$ROS_DISTRO/setup.bash
-# Check if the workspace has been built by check install/setup.bash
+# Optionally perform apt update if it has not been executed yet
+if [ -z "$( ls -A '/var/lib/apt/lists' )" ]; then
+    echo "apt-get update has not been executed yet. Running sudo apt-get update..."
+    sudo apt-get update
+fi
+# Optionally perform rosdep update if it has not been executed yet
+if [ ! -d $HOME/.ros/rosdep/sources.cache ]; then
+    echo "rosdep update has not been executed yet. Running rosdep update..."
+    rosdep update
+fi
+# Optionally build the workspace if it has not been built yet
 if [ ! -f $ROS2_WS/install/setup.bash ]; then
     echo "Workspace has not been built yet. Building workspace..."
     cd $ROS2_WS
+    # Ref: https://docs.ros.org/en/humble/Tutorials/Intermediate/Rosdep.html
+    rosdep install --from-paths src --ignore-src -y
     # TODO: If command `arch` outputs `aarch64`, consider adding `--packages-ignore <package>` to ignore x86 packages
+    # Ref: https://docs.ros.org/en/humble/Tutorials/Beginner-Client-Libraries/Creating-Your-First-ROS2-Package.html
     if [ $(arch) == "aarch64" ]; then
         colcon build --symlink-install
     else