add trim config options for persistence

helix-term/src/application.rs

@@ -289,6 +289,32 @@ impl Application {
         ])
         .context("build signal handler")?;
 
+        let jobs = Jobs::new();
+        let file_trim = config.load().editor.persistence_old_files_trim;
+        jobs.add(
+            Job::new(async move {
+                persistence::trim_file_history(file_trim);
+                Ok(())
+            })
+            .wait_before_exiting(),
+        );
+        let commands_trim = config.load().editor.persistence_commands_trim;
+        jobs.add(
+            Job::new(async move {
+                persistence::trim_command_history(commands_trim);
+                Ok(())
+            })
+            .wait_before_exiting(),
+        );
+        let search_trim = config.load().editor.persistence_search_trim;
+        jobs.add(
+            Job::new(async move {
+                persistence::trim_search_history(search_trim);
+                Ok(())
+            })
+            .wait_before_exiting(),
+        );
+
         let app = Self {
             compositor,
             terminal,
@@ -300,30 +326,9 @@ impl Application {
             syn_loader,
 
             signals,
-            jobs: Jobs::new(),
+            jobs,
             lsp_progress: LspProgressMap::new(),
         };
-        app.jobs.add(
-            Job::new(async {
-                persistence::trim_file_history(5);
-                Ok(())
-            })
-            .wait_before_exiting(),
-        );
-        app.jobs.add(
-            Job::new(async {
-                persistence::trim_command_history(5);
-                Ok(())
-            })
-            .wait_before_exiting(),
-        );
-        app.jobs.add(
-            Job::new(async {
-                persistence::trim_search_history(5);
-                Ok(())
-            })
-            .wait_before_exiting(),
-        );
 
         Ok(app)
     }

helix-view/src/editor.rs

@@ -355,6 +355,9 @@ pub struct Config {
     pub persist_search: bool,
     pub persist_clipboard: bool,
     pub persistence_file_exclusions: Vec<EqRegex>,
+    pub persistence_old_files_trim: usize,
+    pub persistence_commands_trim: usize,
+    pub persistence_search_trim: usize,
 }
 
 #[derive(Debug, Clone, PartialEq, Deserialize, Serialize, Eq, PartialOrd, Ord)]
@@ -998,6 +1001,9 @@ impl Default for Config {
                 .iter()
                 .map(|s| Regex::new(s).unwrap().into())
                 .collect(),
+            persistence_old_files_trim: 100,
+            persistence_commands_trim: 100,
+            persistence_search_trim: 100,
         }
     }
 }