core: Warn when creating and applying with -target (cherry-pick hashicorp/terraform#22783) #182
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The documentation for the -target option warns that it's intended for exceptional circumstances only and not for routine use, but that's not a very prominent location for that warning and so some users miss it. Here we make the warning more prominent by including it directly in the Terraform output when -target is in use. We first warn during planning that the plan might be incomplete, and then warn again after apply concludes and direct the user to run "terraform plan" to make sure that there are no further changes outstanding. The latter message is intended to reinforce that -target should only be a one-off operation and that you should always run without it soon after to ensure that the workspace is left in a consistent, converged state.
radeksimko
approved these changes
Sep 27, 2019
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Cherry-picks hashicorp/terraform#22783.