Fix utt can not handle Ctrl + C

.gitignore

@@ -2,3 +2,4 @@
 config.json
 test/
 downloads/
+utt.lock

eh_translation.ts

@@ -1,4 +1,5 @@
 import { EhDb } from "./db.ts";
+import { asyncForEach } from "./utils.ts";
 
 export type GHAuthor = {
     name: string;
@@ -54,12 +55,18 @@ export async function load_eht_file(
     return JSON.parse(s);
 }
 
-export function update_database_tag(db: EhDb, f: EHTTextFile) {
+export async function update_database_tag(
+    db: EhDb,
+    f: EHTTextFile,
+    signal: AbortSignal,
+) {
+    await Deno.writeTextFile("./utt.lock", "", { create: true, signal });
     for (const d of f.data) {
-        Object.getOwnPropertyNames(d.data).forEach((name) => {
+        await asyncForEach(Object.getOwnPropertyNames(d.data), async (name) => {
             const tag = `${d.namespace}:${name}`;
             const t = d.data[name];
             db.update_tags(tag, t.name, t.intro);
+            await Deno.readTextFile("./utt.lock", { signal });
         });
     }
 }

main.ts

@@ -3,7 +3,7 @@ import { load_settings } from "./config.ts";
 import { check_file_permissions } from "./permissons.ts";
 import { AlreadyClosedError, TaskManager } from "./task_manager.ts";
 import { ParsedUrl, parseUrl, UrlType } from "./url.ts";
-import { sure_dir } from "./utils.ts";
+import { sure_dir, try_remove_sync } from "./utils.ts";
 import { EhDb } from "./db.ts";
 import { load_eht_file, update_database_tag } from "./eh_translation.ts";
 import { get_abort_signal } from "./signal_handler.ts";
@@ -94,10 +94,11 @@ async function update_tag_translation() {
             args._.length > 1 ? args._[1].toString() : undefined,
             signal,
         );
-        update_database_tag(db, f);
+        await update_database_tag(db, f, signal);
     } catch (e) {
         if (!signal.aborted) throw e;
     } finally {
+        try_remove_sync("utt.lock");
         db.close();
     }
 }

signal_handler.ts

@@ -32,7 +32,6 @@ export function add_exit_handler(m: TaskManager) {
 export function get_abort_signal(callback?: () => void): AbortSignal {
     const a = new AbortController();
     const handler = () => {
-        console.log("Aborted.");
         a.abort();
         if (callback) callback();
     };