updated command

sync.sh

@@ -1,27 +1,39 @@
 #!/bin/bash
 if [[ $# -eq 0 ]] ; then
-    echo "Missing arguments. Please specify 'up' or 'down'.";
+    printf "Available commands:\n";
+    printf "   install\t\t Installs docker-sync gem on the host machine.\n";
+    printf "   up <services>\t Starts docker-sync and runs docker compose.\n";
+    printf "   down \t\t Stops containers and docker-sync.\n";
+    printf "   trigger \t\t Manually triggers the synchronization of files.\n";
+    printf "   clean \t\t Removes all synched files from docker-sync container.\n";
     exit 1
 fi
 
 if [ "$1" == "up" ] ; then
-    echo "Initializing Docker Sync (may take several minutes the first time)";
+    printf "Initializing Docker Sync (may take several minutes the first time)";
     docker-sync start;
-    echo "Initializing Docker Compose";
+    printf "Initializing Docker Compose";
     shift; # removing first argument
     docker-compose -f docker-compose.yml -f docker-compose.sync.yml up -d ${@};
+
 elif [ "$1" == "down" ]; then
-    echo "Stopping Docker Compose";
+    printf "Stopping Docker Compose";
     docker-compose down;
-    echo "Stopping Docker Sync";
+    printf "Stopping Docker Sync";
     docker-sync stop;
+
 elif [ "$1" == "install" ]; then
-    echo "Installing docker-sync";
+    printf "Installing docker-sync";
     gem install docker-sync;
-elif [ "$1" == "sync" ]; then
+
+elif [ "$1" == "trigger" ]; then
+    printf "Manually triggering sync between host and docker-sync container.";
     docker-sync sync;
+
 elif [ "$1" == "clean" ]; then
+    printf "Removing and cleaning up files from the docker-sync container.";
     docker-sync clean;
+
 else
-    echo "Invalid argument. Use 'up','down','install','sync' or 'clean' ";
+    printf "Invalid argument. Use 'up','down','install','trigger' or 'clean' ";
 fi