cli on delete todo, write in Done identified by entire struct so dupes wouldnt but thats ok

cmd/pttodo-cli/cli.go

@@ -167,7 +167,18 @@ func edit(dry bool, filepaths []string) error {
 			return err
 		}
 		original := originals[target]
+
+		newTodoIDs := map[string]struct{}{}
+		for i := range newTodos {
+			newTodoIDs[newTodos[i].ID()] = struct{}{}
+		}
+		for i := range original.Todo {
+			if _, ok := newTodoIDs[original.Todo[i].ID()]; !ok {
+				original.Done = append(original.Done, original.Todo[i])
+			}
+		}
 		original.Todo = newTodos
+
 		original.AutoMove()
 		c, err := yaml.Marshal(original)
 		if err != nil {

cmd/pttodo-cli/testdata/test.yaml

@@ -1,7 +1,5 @@
 todo:
-- a
 - b
-- a
 scheduled:
 - todo: abc
   schedule: "2022-05-01"
@@ -9,4 +7,14 @@ scheduled:
 - todo: def
   schedule: "2022-05-01"
   ts: Wed Mar 23 08:04:05 MDT 2022
-done: []
+done:
+- todo: other
+  ts: Wed Mar 23 09:44:57 MDT 2022
+- todo: b
+  ts: Wed Mar 23 09:45:13 MDT 2022
+- todo: a
+  ts: Wed Mar 23 09:45:15 MDT 2022
+- todo: a
+  ts: Wed Mar 23 09:45:24 MDT 2022
+- todo: a
+  ts: Wed Mar 23 09:45:31 MDT 2022