Replace "idedata" target with "pio project metadata" command

platformio/builder/main.py

@@ -229,7 +229,10 @@ if env.IsIntegrationDump():
         encoding="utf8",
     ) as fp:
         json.dump(data, fp)
-    click.echo("\n%s\n" % json.dumps(data))  # pylint: disable=undefined-variable
+    click.echo(
+        "Data has been saved to the following location %s"
+        % projenv.subst(os.path.join("$BUILD_DIR", "idedata.json"))
+    )
     env.Exit(0)
 
 if "sizedata" in COMMAND_LINE_TARGETS:

platformio/builder/tools/piointegration.py

@@ -23,7 +23,7 @@ from platformio.proc import exec_command, where_is_program
 
 
 def IsIntegrationDump(_):
-    return set(["__idedata", "idedata"]) & set(COMMAND_LINE_TARGETS)
+    return "__idedata" in COMMAND_LINE_TARGETS
 
 
 def DumpIntegrationIncludes(env):

platformio/project/helpers.py

@@ -179,7 +179,7 @@ def _load_build_metadata(project_dir, env_names, debug=False):
         result.exception, exception.ReturnErrorCode
     ):
         raise result.exception
-    if '"includes":' not in result.output:
+    if "Data has been saved to the following location" not in result.output:
         raise exception.UserSideException(result.output)
     return _get_cached_build_metadata(project_dir, env_names)