docs: Fix guide on clearing state of run_onchange_ scripts

assets/chezmoi.io/docs/user-guide/use-scripts-to-perform-actions.md

@@ -133,7 +133,15 @@ does not create `dconf.ini` in your home directory.
 ## Clear the state of all `run_onchange_` and `run_once_` scripts
 
 chezmoi stores whether and when `run_onchange_` and `run_once_` scripts have
-been run in the `scriptState` bucket of its persistent state. To clear the state, run:
+been run in its persistent state.
+
+To clear the state of `run_onchange_` scripts, run:
+
+```console
+$ chezmoi state delete-bucket --bucket=entryState
+```
+
+To clear the state of `run_once_` scripts, run:
 
 ```console
 $ chezmoi state delete-bucket --bucket=scriptState

internal/cmd/testdata/scripts/issue3421.txtar

@@ -0,0 +1,29 @@
+[windows] skip 'UNIX only'
+
+# test that chezmoi runs run_once_ and run_onchange_ scripts only once
+exec chezmoi apply
+stdout once
+stdout onchange
+exec chezmoi apply
+! stdout .
+
+# test that chezmoi runs run_once_ scripts after chezmoi state delete-bucket --bucket=scriptState
+exec chezmoi state delete-bucket --bucket=scriptState
+exec chezmoi apply
+stdout once
+! stdout onchange
+
+# test that chezmoi runs run_once_ scripts after chezmoi state delete-bucket --bucket=entryState
+exec chezmoi state delete-bucket --bucket=entryState
+exec chezmoi apply
+! stdout once
+stdout onchange
+
+-- home/user/.local/share/chezmoi/run_once_once.sh --
+#!/bin/sh
+
+echo once
+-- home/user/.local/share/chezmoi/run_onchange_onchange.sh --
+#!/bin/sh
+
+echo onchange