Migrate 'state show' command to new renderer

internal/command/format/format.go

@@ -6,3 +6,30 @@
 // output formatting as much as possible so that text formats of Terraform
 // structures have a consistent look and feel.
 package format
+
+import "github.com/hashicorp/terraform/internal/plans"
+
+// DiffActionSymbol returns a string that, once passed through a
+// colorstring.Colorize, will produce a result that can be written
+// to a terminal to produce a symbol made of three printable
+// characters, possibly interspersed with VT100 color codes.
+func DiffActionSymbol(action plans.Action) string {
+	switch action {
+	case plans.DeleteThenCreate:
+		return "[red]-[reset]/[green]+[reset]"
+	case plans.CreateThenDelete:
+		return "[green]+[reset]/[red]-[reset]"
+	case plans.Create:
+		return "  [green]+[reset]"
+	case plans.Delete:
+		return "  [red]-[reset]"
+	case plans.Read:
+		return " [cyan]<=[reset]"
+	case plans.Update:
+		return "  [yellow]~[reset]"
+	case plans.NoOp:
+		return "   "
+	default:
+		return "  ?"
+	}
+}