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Martin Atkins 660ff86c4c backendbase: Preserve unset arguments as null when not set by env ... Previously we tried a simplification where any attribute with an "SDK-like default" was guaranteed to never be null, because that seemed like a plausible mimic of the legacy SDK's general aversion to nulls. However, the SDK does still respect the absense of an argument as different to its zero value in one narrow case: when the argument isn't set in the configuration, also isn't set by any environment variables, and has no static fallback default. In that case, the SDK's built-in validation rules such as "ConflictsWith" _do_ treat absent as different from zero-value. To allow backends to continue making such distinctions themselves where that's useful, SDKLikeDefaults now leaves an attribute set to null if it wasn't present in the configuration and none of the environment variables or fallback value cause it to end up being a non-empty string. The backend can then choose to bypass the SDKLikeData API and check the cty.Value directly if it wants to distinguish set from zero even though SDKLikeData is designed to avoid the need to do that. This also updates the gcs backend to make use of the new facility, since it wants to raise an error if two arguments are both set even if they are both set to the empty string. Restoring that original error case is the main motivation for this change.		2 years ago
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base.go	backendbase: Preserve unset arguments as null when not set by env	2 years ago
base_test.go	…
doc.go	…
helper.go	backendbase: BoolValue and MustBoolValue	2 years ago
helper_test.go	…
sdklike.go	backendbase: Preserve unset arguments as null when not set by env	2 years ago
sdklike_test.go	backendbase: Preserve unset arguments as null when not set by env	2 years ago