🐛 fix(spx): 同一 host 有多条 tea login 时优先取 default，不再固定取第一条

vscode/cli/internal/tea/config.go

@@ -58,8 +58,9 @@ func load(path string) (*TeaConfig, error) {
 // LoginForHost returns the login in the tea config at `path` whose URL points at `host`, or `nil` when none does.
 //
 // Hosts are compared by hostname only, ignoring case, scheme, port and trailing slashes, so the host read from a git
-// SSH remote still finds the login saved with the forge's web URL. A missing config file is not an error either,
-// because the caller can still fall back to `GITEA_TOKEN`.
+// SSH remote still finds the login saved with the forge's web URL. When several logins point at `host`, the one marked
+// `default` wins, because that is the identity the user picked; otherwise the first. A missing config file is not an
+// error either, because the caller can still fall back to `GITEA_TOKEN`.
 func LoginForHost(path, host string) (*TeaLogin, error) {
 	cfg, err := load(path)
 	if errors.Is(err, fs.ErrNotExist) {
@@ -69,11 +70,18 @@ func LoginForHost(path, host string) (*TeaLogin, error) {
 		return nil, err
 	}
 	want := strings.ToLower(host)
+	var first *TeaLogin
 	for i := range cfg.Logins {
 		u, perr := url.Parse(strings.TrimSpace(cfg.Logins[i].URL))
-		if perr == nil && strings.ToLower(u.Hostname()) == want {
+		if perr != nil || strings.ToLower(u.Hostname()) != want {
+			continue
+		}
+		if cfg.Logins[i].Default {
 			return &cfg.Logins[i], nil
 		}
+		if first == nil {
+			first = &cfg.Logins[i]
+		}
 	}
-	return nil, nil
+	return first, nil
 }

vscode/cli/internal/tea/config_test.go

@@ -67,3 +67,22 @@ func TestLoginForHostBadYAMLIsAnError(t *testing.T) {
 		t.Fatal("tea config 解析失败应当报错")
 	}
 }
+
+func TestLoginForHostPrefersDefaultAmongSameHost(t *testing.T) {
+	path := writeConfig(t, `logins:
+- name: bot
+  url: https://gitea.example.com
+  token: tok-bot
+- name: me
+  url: https://gitea.example.com/
+  token: tok-me
+  default: true
+`)
+	l, err := LoginForHost(path, "gitea.example.com")
+	if err != nil {
+		t.Fatalf("LoginForHost 出错: %v", err)
+	}
+	if l == nil || l.Name != "me" {
+		t.Fatalf("同一 host 有多条 login 时应取 default 那条，得到 %+v", l)
+	}
+}