recipetool: add 'edit' subcommand

new file mode 100644
index 00000000000..c4789a9994c
@@ -0,0 +1,54 @@
+# Recipe creation tool - edit plugin
+#
+# This sub-command edits the recipe and appends for the specified target
+#
+# Example: recipetool edit busybox
+#
+# Copyright (C) 2018 Mentor Graphics Corporation
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+import argparse
+import errno
+import logging
+import os
+import re
+import subprocess
+import sys
+import scriptutils
+
+
+logger = logging.getLogger('recipetool')
+tinfoil = None
+
+
+def tinfoil_init(instance):
+    global tinfoil
+    tinfoil = instance
+
+
+def edit(args):
+    import oe.recipeutils
+
+    recipe_path = tinfoil.get_recipe_file(args.target)
+    appends = tinfoil.get_file_appends(recipe_path)
+
+    return scriptutils.run_editor([recipe_path] + appends, logger)
+
+
+def register_commands(subparsers):
+    parser = subparsers.add_parser('edit',
+                                   help='Edit the recipe and appends for the specified target. This obeys $VISUAL if set, otherwise $EDITOR, otherwise vi.')
+    parser.add_argument('target', help='Target recipe/provide to edit')
+    parser.set_defaults(func=edit, parserecipes=True)