fix: resolve Debian regression findings (#3087)

* fix: resolve Debian regression findings

* fix: reject failed APT index refreshes and simplify SSH home lookup

back/services/sshKey.ts

@@ -15,7 +15,15 @@ import {
 
 @Service()
 export default class SshKeyService {
-  private homedir = os.homedir();
+  // OpenSSH uses the effective user's passwd entry, not the HOME override.
+  private get homedir(): string {
+    try {
+      return os.userInfo().homedir;
+    } catch {
+      // Custom container UIDs may have no passwd entry. Keep startup working.
+      return os.homedir();
+    }
+  }
   private sshPath = config.sshdPath;
   private sshConfigFilePath = path.resolve(this.homedir, '.ssh', 'config');
   private sshConfigHeader = `Include ${path.join(this.sshPath, '*.config')}`;
@@ -25,6 +33,10 @@ export default class SshKeyService {
   }
 
   private async initSshConfigFile() {
+    await fs.mkdir(path.dirname(this.sshConfigFilePath), {
+      recursive: true,
+      mode: 0o700,
+    });
     let config = '';
     const _exist = await fileExist(this.sshConfigFilePath);
     if (_exist) {

back/services/system.ts

@@ -239,7 +239,6 @@ export default class SystemService {
       return;
     }
     const command = await updateLinuxMirrorFile(info.linuxMirror || '');
-    let hasError = false;
     this.scheduleService.runTask(
       command,
       {
@@ -247,14 +246,15 @@ export default class SystemService {
           res?.setHeader('QL-Task-Pid', `${cp.pid}`);
           res?.end();
         },
-        onEnd: async () => {
+        onEnd: async (cp) => {
           this.sockService.sendMessage({
             type: 'updateLinuxMirror',
             message: 'update linux mirror end',
             status: 'completed',
           });
           onEnd?.();
-          if (!hasError) {
+          // Tools such as sudo and apt may write warnings to stderr on success.
+          if (cp?.exitCode === 0 && cp.signalCode === null) {
             await this.updateAuthDb({
               ...oDoc,
               info: { ...oDoc.info, ...info },
@@ -262,7 +262,6 @@ export default class SystemService {
           }
         },
         onError: async (message: string) => {
-          hasError = true;
           this.sockService.sendMessage({ type: 'updateLinuxMirror', message });
         },
         onLog: async (message: string) => {