only release and deploy if we're modifying scale settings

plugins/common/functions

@@ -141,7 +141,7 @@ copy_from_image() {
 
   CID=$(docker run -d $IMAGE bash)
   docker cp "$CID:$SRC_FILE" "$DST_DIR"
-  docker rm -f "$CID"
+  docker rm -f "$CID" &> /dev/null
 }
 
 is_deployed() {

plugins/ps/commands

@@ -117,8 +117,8 @@ case "$1" in
       dokku_log_info2 "$(< $DOKKU_SCALE_FILE)"
     else
       set_scale "$APP" "$@"
+      release_and_deploy "$APP"
     fi
-    release_and_deploy "$APP"
   ;;
 
   help | ps:help)

plugins/ps/functions

@@ -4,7 +4,7 @@ source "$(dirname $0)/../common/functions"
 
 generate_scale_file() {
   local APP="$1"; local DOKKU_SCALE_FILE="$DOKKU_ROOT/$APP/DOKKU_SCALE"
-  copy_from_image "$APP" "/app/DOKKU_SCALE" "$DOKKU_ROOT/$APP" || dokku_log_info1_quiet "DOKKU_SCALE not found in app image"
+  copy_from_image "$APP" "/app/DOKKU_SCALE" "$DOKKU_ROOT/$APP" 2>/dev/null || dokku_log_info1_quiet "DOKKU_SCALE not found in app image"
   if [[ ! -f $DOKKU_SCALE_FILE ]]; then
     local TMP_WORK_DIR=$(mktemp -d DOKKU_SCALE.XXXXX)
     trap 'rm -rf $TMP_WORK_DIR' EXIT