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Alisdair McDiarmid 68558ccd54 backend/local: Replace CLI with view instance ... This commit extracts the remaining UI logic from the local backend, and removes access to the direct CLI output. This is replaced with an instance of a `views.Operation` interface, which codifies the current requirements for the local backend to interact with the user. The exception to this at present is interactivity: approving a plan still depends on the `UIIn` field for the backend. This is out of scope for this commit and can be revisited separately, at which time the `UIOut` field can also be removed. Changes in support of this: - Some instances of direct error output have been replaced with diagnostics, most notably in the emergency state backup handler. This requires reformatting the error messages to allow the diagnostic renderer to line-wrap them; - The "in-automation" logic has moved out of the backend and into the view implementation; - The plan, apply, refresh, and import commands instantiate a view and set it on the `backend.Operation` struct, as these are the only code paths which call the `local.Operation()` method that requires it; - The show command requires the plan rendering code which is now in the views package, so there is a stub implementation of a `views.Show` interface there. Other refactoring work in support of migrating these commands to the common views code structure will come in follow-up PRs, at which point we will be able to remove the UI instances from the unit tests for those commands.		5 years ago
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hook_ui.go	cli: Fix misapplied terminal colors on run logs	5 years ago
hook_ui_test.go	cli: Fix misapplied terminal colors on run logs	5 years ago
operation.go	backend/local: Replace CLI with view instance	5 years ago
operation_test.go	backend/local: Replace CLI with view instance	5 years ago
output.go	views: Expand test coverage for views.Output	5 years ago
output_test.go	views: Expand test coverage for views.Output	5 years ago
plan.go	backend/local: Replace CLI with view instance	5 years ago
plan_test.go	backend/local: Replace CLI with view instance	5 years ago
show.go	backend/local: Replace CLI with view instance	5 years ago
state_locker.go	clistate: Update clistate.Locker for command views	5 years ago
view.go	backend/local: Replace CLI with view instance	5 years ago