Update README.md

Author: mustard-mh

components/ide/jetbrains/toolbox/README.md

@@ -4,8 +4,9 @@ Provides a way to connect to Gitpod Classic workspaces within the JetBrains Tool
 
 ## How to Develop with Gitpod Flex
 
+- Start an environment on [Gitpod Flex](https://app.gitpod.io) with current repository
 - Connect to the environment via **JetBrains Gateway** (because we want to restart Toolbox) SSH feature (user: gitpod_devcontainer)
-- Copy flex-sync.sh locally and chmod +x
+- Copy flex-sync.sh locally and chmod +x, the script is written for macOS, please adjust it if you're using other OS
 - Exec `./flex-sync.sh <env_host>`
 
 ```sh
@@ -22,28 +23,37 @@ LOCAL_DIR="$HOME/Library/Caches/JetBrains/Toolbox/plugins"
 REMOTE_DIR="/workspace/gitpod/components/ide/jetbrains/toolbox/build/flex"
 DEVCONTAINER_HOST="gitpod_devcontainer@$REMOTE_HOST"
 
-ssh $DEVCONTAINER_HOST "apt-get update && apt-get install -y rsync inotify-tools"
+echo "Preparing..."
 
-echo "Watching for changes in $DEVCONTAINER_HOST:$REMOTE_DIR"
+ssh $DEVCONTAINER_HOST "apt-get update && apt-get install -y rsync inotify-tools" > /dev/null
 
-ssh $DEVCONTAINER_HOST "inotifywait -m -r -e modify,create,delete,move $REMOTE_DIR" | \
-while read path action file; do
-    echo "[$(date '+%Y-%m-%d %H:%M:%S')] Change detected: $action $file"
-    # Make sure remote is build
-    sleep 3
+function sync_and_restart() {
     rsync -avz --delete "$DEVCONTAINER_HOST:$REMOTE_DIR/" "$LOCAL_DIR/"
-
-    echo "[$(date '+%Y-%m-%d %H:%M:%S')] Change synced"
     pkill -f 'JetBrains Toolbox' || true
     echo debugClean > $HOME/Library/Logs/JetBrains/Toolbox/toolbox.log
     code $HOME/Library/Logs/JetBrains/Toolbox/toolbox.log
     # In case Toolbox refuses to start
+    echo "Restarting Toolbox in 3 seconds"
     sleep 3
     open /Applications/JetBrains\ Toolbox.app
+}
+
+echo "Initing..."
+
+sync_and_restart
+
+echo "Watching for changes in $DEVCONTAINER_HOST:$REMOTE_DIR"
+
+ssh $DEVCONTAINER_HOST "inotifywait -m -r -e modify,create,delete,move $REMOTE_DIR" | \
+while read path action file; do
+    echo "[$(date '+%Y-%m-%d %H:%M:%S')] Change detected: $action $file"
+    # Make sure remote is build
+    sleep 3
+    sync_and_restart
 done
 ```
 
-## How to Develop
+## How to Develop locally
 
 ### Requires
 - Java 21