Merge "Bump the bootstrap epoch number."

	// version of bootstrap and needs cleaning before continuing the build.  Increment this for

	// incompatible changes, for example when moving the location of the bpglob binary that is

	// executed during bootstrap before the primary builder has had a chance to update the path.

	bootstrapEpoch = 0

	bootstrapEpoch = 1

)

func writeEnvironmentFile(ctx Context, envFile string, envDeps map[string]string) error {