checklayer: Avoid adding the layer if it is already present

* Rename add_layer() to add_layers() so that add_layer_dependencies() can
  re-use it.

* Avoid adding the layer if it is already present

[YOCTO #13148]

(From OE-Core rev: b9cc18d83f55ff48c3d6e60c56359f6736d5a06a)

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/scripts/yocto-check-layer b/scripts/yocto-check-layer
index 9b7e53679b..106c955251 100755
--- a/scripts/yocto-check-layer
+++ b/scripts/yocto-check-layer
@@ -22,7 +22,7 @@ import scriptpath
 scriptpath.add_oe_lib_path()
 scriptpath.add_bitbake_lib_path()
 
-from checklayer import LayerType, detect_layers, add_layer, add_layer_dependencies, get_signatures
+from checklayer import LayerType, detect_layers, add_layers, add_layer_dependencies, get_signatures
 from oeqa.utils.commands import get_bb_vars
 
 PROGNAME = 'yocto-check-layer'
@@ -157,7 +157,7 @@ def main():
             layers_tested = layers_tested + 1
             continue
 
-        if any(map(lambda additional_layer: not add_layer(bblayersconf, additional_layer, dep_layers, logger),
+        if any(map(lambda additional_layer: not add_layers(bblayersconf, [additional_layer], logger),
                    additional_layers)):
             logger.info('Skipping %s due to missing additional layers.' % layer['name'])
             results[layer['name']] = None
@@ -179,7 +179,7 @@ def main():
             continue
         td['machines'] = args.machines
 
-        if not add_layer(bblayersconf, layer, dep_layers, logger):
+        if not add_layers(bblayersconf, [layer], logger):
             logger.info('Skipping %s ???.' % layer['name'])
             results[layer['name']] = None
             results_status[layer['name']] = 'SKIPPED (Unknown)'