Use the HookType enum from the hook module

acmed/src/certificate.rs

@@ -1,6 +1,6 @@
 use crate::acme_proto::Challenge;
-use crate::config::{Account, Domain, HookType};
-use crate::hooks::{self, ChallengeHookData, Hook, HookEnvData, PostOperationHookData};
+use crate::config::{Account, Domain};
+use crate::hooks::{self, ChallengeHookData, Hook, HookEnvData, HookType, PostOperationHookData};
 use crate::storage::{certificate_files_exists, get_certificate};
 use acme_common::crypto::X509Certificate;
 use acme_common::error::Error;

acmed/src/hooks.rs

@@ -1,5 +1,5 @@
 use crate::certificate::Certificate;
-use crate::config::HookType;
+pub use crate::config::HookType;
 use acme_common::error::Error;
 use handlebars::Handlebars;
 use serde::Serialize;

acmed/src/storage.rs

@@ -1,6 +1,5 @@
 use crate::certificate::Certificate;
-use crate::config::HookType;
-use crate::hooks::{self, FileStorageHookData, HookEnvData};
+use crate::hooks::{self, FileStorageHookData, HookEnvData, HookType};
 use acme_common::b64_encode;
 use acme_common::crypto::{KeyPair, X509Certificate};
 use acme_common::error::Error;