chore: unify error output when an app is not declared

plugins/common/functions

@@ -530,7 +530,7 @@ dokku_deploy_cmd() {
   source "$PLUGIN_AVAILABLE_PATH/config/functions"
   source "$PLUGIN_AVAILABLE_PATH/proxy/functions"
 
-  [[ -z $1 ]] && dokku_log_fail "Please specify an app to deploy"
+  [[ -z $1 ]] && dokku_log_fail "Please specify an app to run the command on"
   local APP="$1"; local IMAGE_TAG="$2"; local IMAGE=$(get_deploying_app_image_name "$APP" "$IMAGE_TAG")
   verify_app_name "$APP"
   plugn trigger pre-deploy "$APP" "$IMAGE_TAG"

plugins/nginx-vhosts/subcommands/access-logs

@@ -7,7 +7,7 @@ source "$PLUGIN_AVAILABLE_PATH/nginx-vhosts/functions"
 nginx_logs_cmd() {
   declare desc="display app nginx logs from command line"
   local cmd="$1"
-  [[ -z $2 ]] && echo "Please specify an app to run the command on" && exit 1
+  [[ -z $2 ]] && dokku_log_fail "Please specify an app to run the command on"
   nginx_logs "$@"
 }
 

plugins/nginx-vhosts/subcommands/build-config

@@ -7,7 +7,7 @@ source "$PLUGIN_AVAILABLE_PATH/nginx-vhosts/functions"
 nginx_build_config_cmd() {
   declare desc="build nginx config to proxy app containers from command line"
   local cmd="nginx:build-config"
-  [[ -z $2 ]] && echo "Please specify an app to run the command on" && exit 1
+  [[ -z $2 ]] && dokku_log_fail "Please specify an app to run the command on"
   nginx_build_config "$2"
 }
 

plugins/storage/functions

@@ -6,7 +6,7 @@ storage_list_cmd() {
   declare desc="List all bound mounts"
   local cmd="storage:list"
   local passed_phases="deploy"
-  [[ ! $2 ]] && dokku_log_fail "storage:list requires an app to list."
+  [[ -z $2 ]] && dokku_log_fail "Please specify an app to run the command on"
   verify_app_name "$2" && local APP="$2"
   echo "$APP volume bind-mounts:"
   get_bind_mounts "$(get_phase_file_path "$passed_phases")"