text: """empty message
  
  Revision ID: eb0c8c23d9b5
  Revises: eab27900506d
  Create Date: 2017-08-09 10:26:12.516225
  
  """
  from alembic import op
  import sqlalchemy as sa
  
  
  # revision identifiers, used by Alembic.
  revision = 'eb0c8c23d9b5'
  down_revision = 'eab27900506d'
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.add_column('db_build', sa.Column('build_download_url', sa.String(), nullable=True))
      op.add_column('db_build', sa.Column('commit_date', sa.DateTime(), nullable=True))
      op.add_column('db_build', sa.Column('commit_message', sa.String(), nullable=True))
      op.add_column('db_build', sa.Column('commit_url', sa.String(), nullable=True))
      # ### end Alembic commands ###
  
  
  def downgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_column('db_build', 'commit_url')
      op.drop_column('db_build', 'commit_message')
      op.drop_column('db_build', 'commit_date')
      op.drop_column('db_build', 'build_download_url')
      # ### end Alembic commands ###
  