Update rstudio

opt/cs50/bin/rstudio

@@ -13,11 +13,11 @@ function spin() {
     local spinner='|/-\'
     while [ -d /proc/$pid ]; do
         for i in $(seq 0 3); do
-            printf "\rHit CTRL-C to stop the server [%c]\n" "${spinner:$i:1}"
-            sleep 0.1
+            printf "\rHit CTRL-C to stop the server [%c] " "${spinner:$i:1}"
+            sleep 0.5
         done
     done
-    printf "\r    \r"
+    printf "\n"
 }
 
 # Check for $1
@@ -33,14 +33,17 @@ if [[ $# -eq 1 ]]; then
 fi
 
 # Check for running image
-id=$(docker ps --filter "name=rstudio" --quiet)
+id=$(docker ps --all --filter "name=rstudio" --quiet)
 if [[ -n "$id" ]]; then
 
     # Stop current container (so as to restart port forwarding)
-    docker stop "$id"
+    docker stop "$id" > /dev/null
+
+    # Try to remove in case created but somehow not started
+    docker rm "$id" &> /dev/null
 fi
 
-# Pull image
+# Pull latest image
 docker pull "$IMAGE"
 
 # Create container
@@ -51,24 +54,24 @@ docker create \
     --publish 8787:8787 \
     --rm \
     --volume "$LOCAL_WORKSPACE_FOLDER":"/workspaces/$RepositoryName" \
-    rocker/tidyverse
+    rocker/tidyverse > /dev/null
 
 # Customize rstudio-prefs.json
 jq ".initial_working_directory = \"/workspaces/$RepositoryName\"" /opt/cs50/lib/rstudio/rstudio-prefs.json > /tmp/rstudio-prefs.json
 
 # Copy files into container
-docker cp /opt/cs50/lib/rstudio/_icons.css rstudio:/tmp
-docker cp /opt/cs50/lib/rstudio/rstudio-server.json rstudio:/etc/rstudio/
-docker cp /tmp/rstudio-prefs.json rstudio:/etc/rstudio/
+docker cp --quiet /opt/cs50/lib/rstudio/_icons.css rstudio:/tmp
+docker cp --quiet /opt/cs50/lib/rstudio/rstudio-server.json rstudio:/etc/rstudio/
+docker cp --quiet /tmp/rstudio-prefs.json rstudio:/etc/rstudio/
 
 # Start container
-docker start rstudio
+docker start rstudio > /dev/null
 
 # Inject CSS
 docker exec rstudio sh -c "cat /tmp/_icons.css >> /usr/lib/rstudio-server/www/css/icons.css"
 
 # Attach to container
-docker attach rstudio &
+docker attach rstudio &> /dev/null &
 pid=$!
 
 # Spin until container stops