yocto-layer: add optional layer priority param

If the user specifies a layer priority following the layer name, layer
creation will proceed without further queries using the specified
layer priority and the remaining values defaulted.

(From meta-yocto rev: 84a0bd8940f82fb938972d7b026367d40c9472e7)

Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/lib/bsp/help.py

@@ -622,7 +622,8 @@ yocto_layer_create_usage = """
 
  Create a new generic Yocto layer
 
- usage: yocto-layer create <layer-name> [-o <DIRNAME> | --outdir <DIRNAME>]
+ usage: yocto-layer create <layer-name> [layer_priority]
+            [-o <DIRNAME> | --outdir <DIRNAME>]
             [-i <JSON PROPERTY FILE> | --infile <JSON PROPERTY_FILE>]
 
  This command creates a generic Yocto layer based on the specified
@@ -631,6 +632,10 @@ yocto_layer_create_usage = """
  'meta-layer-name'.  The -o option can be used to place the layer in a
  directory with a different name and location.
 
+ If layer_priority is specified, a simple layer will be created using
+ the given layer priority, and the user will not be prompted for
+ further input.
+
  NOTE: Once created, you should add your new layer to your
  bblayers.conf file in order for it to be subsequently seen and
  modified by the yocto-kernel tool.  Instructions for doing this can
@@ -646,7 +651,8 @@ NAME
     yocto-layer create - Create a new generic Yocto layer
 
 SYNOPSIS
-    yocto-layer create <layer-name> [-o <DIRNAME> | --outdir <DIRNAME>]
+    yocto-layer create <layer-name> [layer_priority]
+        [-o <DIRNAME> | --outdir <DIRNAME>]
         [-i <JSON PROPERTY FILE> | --infile <JSON PROPERTY_FILE>]
 
 DESCRIPTION
@@ -656,6 +662,10 @@ DESCRIPTION
     'meta-layer-name'.  The -o option can be used to place the layer
     in a directory with a different name and location.
 
+    If layer_priority is specified, a simple layer will be created
+    using the given layer priority, and the user will not be prompted
+    for further input.
+
     The layer-specific properties that define the values that will be
     used to generate the layer can be specified on the command-line
     using the -i option and supplying a JSON object consisting of the

scripts/yocto-layer

@@ -60,19 +60,24 @@ def yocto_layer_create_subcommand(args, usage_str):
                       default = False, help = "dump the generated code to layergen.out")
     (options, args) = parser.parse_args(args)
 
-    if len(args) != 1:
+    if len(args) < 1 or len(args) > 2:
         logging.error("Wrong number of arguments, exiting\n")
         parser.print_help()
         sys.exit(1)
 
     layer_name = args[0]
+    properties = ""
+
+    if len(args) == 2:
+        layer_priority = args[1]
+        properties = '{"layer_priority":"' + layer_priority + '"}'
 
     if options.outdir:
         layer_output_dir = options.outdir
     else:
         layer_output_dir = "meta-" + layer_name
 
-    yocto_layer_create(layer_name, scripts_path, layer_output_dir, options.codedump, options.properties_file)
+    yocto_layer_create(layer_name, scripts_path, layer_output_dir, options.codedump, options.properties_file, properties)
 
 
 def yocto_layer_list_subcommand(args, usage_str):