feat: Display version number

Author: kroese

entry.sh

@@ -1,38 +1,50 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
+info () { printf "%b%s%b" "\E[1;34m❯ \E[1;36m" "${1:-}" "\E[0m\n"; }
+error () { printf "%b%s%b" "\E[1;31m❯ " "ERROR: ${1:-}" "\E[0m\n" >&2; }
+warn () { printf "%b%s%b" "\E[1;31m❯ " "Warning: ${1:-}" "\E[0m\n" >&2; }
+
+trap 'error "Status $? while: $BASH_COMMAND (line $LINENO/$BASH_LINENO)"' ERR
+
+[ ! -f "/run/entry.sh" ] && error "Script must run inside Docker container!" && exit 11
+[ "$(id -u)" -ne "0" ] && error "Script must be executed with root privileges." && exit 12
+
+echo "❯ Starting umbrelOS for Docker v$(</run/version)..."
+echo "❯ For support visit https://github.com/dockur/umbrel/issues"
+
 if [ ! -S /var/run/docker.sock ]; then
-  echo "ERROR: Docker socket is missing? Please bind /var/run/docker.sock in your compose file." && exit 13
+  error "Docker socket is missing? Please bind /var/run/docker.sock in your compose file." && exit 13
 fi
 
 if ! docker network inspect umbrel_main_network &>/dev/null; then
   if ! docker network create --driver=bridge --subnet="10.21.0.0/16" umbrel_main_network >/dev/null; then
-    echo "ERROR: Failed to create network 'umbrel_main_network'!" && exit 14
+    error "Failed to create network 'umbrel_main_network'!" && exit 14
   fi
   if ! docker network inspect umbrel_main_network &>/dev/null; then
-    echo "ERROR: Network 'umbrel_main_network' does not exist?" && exit 15
+    error "Network 'umbrel_main_network' does not exist?" && exit 15
   fi
 fi
 
 target=$(hostname)
 
 if ! docker inspect "$target" &>/dev/null; then
-  echo "ERROR: Failed to find a container with name '$target'!" && exit 16
+  error "Failed to find a container with name '$target'!" && exit 16
 fi
 
 resp=$(docker inspect "$target")
 network=$(echo "$resp" | jq -r '.[0].NetworkSettings.Networks["umbrel_main_network"]')
 
 if [ -z "$network" ] || [[ "$network" == "null" ]]; then
   if ! docker network connect umbrel_main_network "$target"; then
-    echo "ERROR: Failed to connect container to network!" && exit 17
+    error "Failed to connect container to network!" && exit 17
   fi
 fi
 
 mount=$(echo "$resp" | jq -r '.[0].Mounts[] | select(.Destination == "/data").Source')
 
 if [ -z "$mount" ] || [[ "$mount" == "null" ]] || [ ! -d "/data" ]; then
-  echo "ERROR: You did not bind the /data folder!" && exit 18
+  error "You did not bind the /data folder!" && exit 18
 fi
 
 # Create directories
@@ -46,7 +58,7 @@ if [[ "$mount" == *":\\"* ]]; then
 fi
 
 if [[ "$mount" != "/"* ]]; then
-  echo "ERROR: Please bind the /data folder to an absolute path!" && exit 19
+  error "Please bind the /data folder to an absolute path!" && exit 19
 fi
 
 # Mirror external folder to local filesystem