| """A small utility module dedicated to detecting whether or not the `--stamp` flag is enabled""" |
| |
| def is_stamping_enabled(ctx, attr): |
| """Determine whether or not build stamping is enabled |
| |
| Args: |
| ctx (ctx): The rule's context object |
| attr (struct): A rule's struct of attributes (`ctx.attr`) |
| |
| Returns: |
| bool: The stamp value |
| """ |
| stamp_num = getattr(attr, "stamp", 0) |
| if stamp_num == 1: |
| return True |
| elif stamp_num == 0: |
| return False |
| elif stamp_num == -1: |
| return ctx.configuration.stamp_binaries() |
| else: |
| fail("Unexpected `stamp` value: {}".format(stamp_num)) |
