cooker: list all nonexistent bblayer directories

Check existence of all the bblayer direcotories at once and print them
all, so if there are multiple nonexistent directories, user does not
have to correct bblayers.conf and restart bitbake multiple times.

[YOCTO #11647]

Signed-off-by: Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 13 insertions, 3 deletions

diff --git a/lib/bb/cookerdata.py b/lib/bb/cookerdata.py
index f8ae41093..842275d53 100644
--- a/lib/bb/cookerdata.py
+++ b/lib/bb/cookerdata.py
@@ -342,14 +342,24 @@ class CookerDataBuilder(object):
             data = parse_config_file(layerconf, data)
 
             layers = (data.getVar('BBLAYERS') or "").split()
+            broken_layers = []
 
             data = bb.data.createCopy(data)
             approved = bb.utils.approved_variables()
+
+            # Check whether present layer directories exist
             for layer in layers:
                 if not os.path.isdir(layer):
-                    parselog.critical("Layer directory '%s' does not exist! "
-                                      "Please check BBLAYERS in %s" % (layer, layerconf))
-                    sys.exit(1)
+                    broken_layers.append(layer)
+
+            if broken_layers:
+                parselog.critical("The following layer directories do not exist:")
+                for layer in broken_layers:
+                    parselog.critical("   %s", layer)
+                parselog.critical("Please check BBLAYERS in %s" % (layerconf))
+                sys.exit(1)
+
+            for layer in layers:
                 parselog.debug(2, "Adding layer %s", layer)
                 if 'HOME' in approved and '~' in layer:
                     layer = os.path.expanduser(layer)