bitbake: cooker: allow buildFile warning to be hidden programmatically

If we want to use this function/command internally, we don't want this
warning shown.

(Bitbake rev: 5cfbb60833e7b12d698c1c2970c17ccf2a4971bf)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/command.py

@@ -549,8 +549,12 @@ class CommandsAsync:
         """
         bfile = params[0]
         task = params[1]
+        if len(params) > 2:
+            hidewarning = params[2]
+        else:
+            hidewarning = False
 
-        command.cooker.buildFile(bfile, task)
+        command.cooker.buildFile(bfile, task, hidewarning)
     buildFile.needcache = False
 
     def buildTargets(self, command, params):

bitbake/lib/bb/cooker.py

@@ -1334,15 +1334,16 @@ class BBCooker:
             raise NoSpecificMatch
         return matches[0]
 
-    def buildFile(self, buildfile, task):
+    def buildFile(self, buildfile, task, hidewarning=False):
         """
         Build the file matching regexp buildfile
         """
         bb.event.fire(bb.event.BuildInit(), self.expanded_data)
 
-        # Too many people use -b because they think it's how you normally
-        # specify a target to be built, so show a warning
-        bb.warn("Buildfile specified, dependencies will not be handled. If this is not what you want, do not use -b / --buildfile.")
+        if not hidewarning:
+            # Too many people use -b because they think it's how you normally
+            # specify a target to be built, so show a warning
+            bb.warn("Buildfile specified, dependencies will not be handled. If this is not what you want, do not use -b / --buildfile.")
 
         # Parse the configuration here. We need to do it explicitly here since
         # buildFile() doesn't use the cache

bitbake/lib/bb/tinfoil.py

@@ -366,9 +366,9 @@ class Tinfoil:
     def build_file(self, buildfile, task):
         """
         Runs the specified task for just a single recipe (i.e. no dependencies).
-        This is equivalent to bitbake -b.
+        This is equivalent to bitbake -b, except no warning will be printed.
         """
-        return self.run_command('buildFile', buildfile, task)
+        return self.run_command('buildFile', buildfile, task, True)
 
     def shutdown(self):
         if self.server_connection: