1 files changed, 38 insertions, 0 deletions
diff --git a/vendor/github.com/hashicorp/terraform/terraform/eval_check_prevent_destroy.go b/vendor/github.com/hashicorp/terraform/terraform/eval_check_prevent_destroy.go
new file mode 100644
index 00000000..715e79e1
--- /dev/null
+++ b/vendor/github.com/hashicorp/terraform/terraform/eval_check_prevent_destroy.go
@@ -0,0 +1,38 @@
+package terraform
+
+import (
+	"fmt"
+
+	"github.com/hashicorp/terraform/config"
+)
+
+// EvalPreventDestroy is an EvalNode implementation that returns an
+// error if a resource has PreventDestroy configured and the diff
+// would destroy the resource.
+type EvalCheckPreventDestroy struct {
+	Resource   *config.Resource
+	ResourceId string
+	Diff       **InstanceDiff
+}
+
+func (n *EvalCheckPreventDestroy) Eval(ctx EvalContext) (interface{}, error) {
+	if n.Diff == nil || *n.Diff == nil || n.Resource == nil {
+		return nil, nil
+	}
+
+	diff := *n.Diff
+	preventDestroy := n.Resource.Lifecycle.PreventDestroy
+
+	if diff.GetDestroy() && preventDestroy {
+		resourceId := n.ResourceId
+		if resourceId == "" {
+			resourceId = n.Resource.Id()
+		}
+
+		return nil, fmt.Errorf(preventDestroyErrStr, resourceId)
+	}
+
+	return nil, nil
+}
+
+const preventDestroyErrStr = `%s: the plan would destroy this resource, but it currently has lifecycle.prevent_destroy set to true. To avoid this error and continue with the plan, either disable lifecycle.prevent_destroy or adjust the scope of the plan using the -target flag.`