shell/task: better logs

src/tasks.js

@@ -233,8 +233,8 @@ async function stopTask(id) {
 }
 
 async function stopAllTasks() {
-    debug('stopAllTasks: ignoring exit status of starttask');
     const acs = Object.values(gTasks);
+    debug(`stopAllTasks: ${acs.length} tasks are running. sending abort signal`);
     gTasks = {}; // this signals startTask() to not set completion status as "crashed"
     acs.forEach(ac => ac.abort()); // cleanup all the sudos and systemd-run
     const [error] = await safe(shell.sudo([ STOP_TASK_CMD, 'all' ], { cwd: paths.baseDir() }));