Commit 2b79be2b authored by Andrew Godwin's avatar Andrew Godwin
Browse files

Fixed #22848: Ignore no-migrations errors during makemigrations only

parent f047dd2f
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+1 −1
Original line number Diff line number Diff line
@@ -49,7 +49,7 @@ class Command(BaseCommand):

        # Load the current graph state. Pass in None for the connection so
        # the loader doesn't try to resolve replaced migrations from DB.
        loader = MigrationLoader(None)
        loader = MigrationLoader(None, ignore_no_migrations=True)

        # Before anything else, see if there's conflicting apps and drop out
        # hard if there are any and they don't want to merge
+6 −2
Original line number Diff line number Diff line
@@ -39,10 +39,11 @@ class MigrationLoader(object):
    in memory.
    """

    def __init__(self, connection, load=True):
    def __init__(self, connection, load=True, ignore_no_migrations=False):
        self.connection = connection
        self.disk_migrations = None
        self.applied_migrations = None
        self.ignore_no_migrations = ignore_no_migrations
        if load:
            self.build_graph()

@@ -156,6 +157,9 @@ class MigrationLoader(object):
                else:
                    return list(self.graph.root_nodes(key[0]))[-1]
            except IndexError:
                if self.ignore_no_migrations:
                    return None
                else:
                    raise ValueError("Dependency on app with no migrations: %s" % key[0])
        raise ValueError("Dependency on unknown app: %s" % key[0])