Follow-up from arti!318

Make update_config only conditionally exported; add semver-status update.

crates/tor-dirmgr/src/config.rs

@@ -267,7 +267,7 @@ impl DirMgrConfig {
     /// `self` are replaced with those from  `new_config`.
     ///
     /// Any fields which aren't allowed to change at runtime are copied from self.
-    pub fn update_config(&self, new_config: &DirMgrConfig) -> DirMgrConfig {
+    pub(crate) fn update_from_config(&self, new_config: &DirMgrConfig) -> DirMgrConfig {
         DirMgrConfig {
             cache_path: self.cache_path.clone(),
             network_config: NetworkConfig {
@@ -278,6 +278,15 @@ impl DirMgrConfig {
             override_net_params: new_config.override_net_params.clone(),
         }
     }
+
+    /// Construct a new configuration object where all replaceable fields in
+    /// `self` are replaced with those from  `new_config`.
+    ///
+    /// Any fields which aren't allowed to change at runtime are copied from self.
+    #[cfg(feature = "experimental-api")]
+    pub fn update_config(&self, new_config: &DirMgrConfig) -> DirMgrConfig {
+        self.update_from_config(new_config)
+    }
 }
 
 impl DownloadScheduleConfig {

crates/tor-dirmgr/src/lib.rs

@@ -620,7 +620,7 @@ impl<R: Runtime> DirMgr<R> {
         let params_changed = new_config.override_net_params() != config.override_net_params();
 
         self.config
-            .map_and_replace(|cfg| cfg.update_config(new_config));
+            .map_and_replace(|cfg| cfg.update_from_config(new_config));
 
         if params_changed {
             let _ignore_err = self.netdir.mutate(|netdir| {

doc/semver_status.md

@@ -35,4 +35,13 @@ arti-client:
   api-break (experimental only): changed circmgr() and dirmgr() to return
   &Arc, not Arc.
 
+tor-dirmgr:
+
+  new-api: DirMgrConfig object now has accessors.
+
+tor-netdoc:
+
+  new-api (experimental only): Can modify the set of relays in an unverified
+  consensus.
+