Set SendEnv conditionally (#1463)

Empty values break Git+SSH. If `ssh_send_env` is empty, `SendEnv` should not be set in SSH config. This is especially needed for Ubuntu 22.04 (#1392)
roots · Dec 18, 2022 · dbc2037 · dbc2037
1 parent ddb322e
commit dbc2037
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/roles/sshd/templates/ssh_config.j2 b/roles/sshd/templates/ssh_config.j2
@@ -17,7 +17,9 @@ Host *
   KexAlgorithms {{ (ssh_kex_algorithms_default | default(sshd_kex_algorithms_default) + ssh_kex_algorithms_extra | default(sshd_kex_algorithms_extra)) | join(',') }}
   MACs {{ (ssh_macs_default | default(sshd_macs_default) + ssh_macs_extra | default(sshd_macs_extra)) | join(',') }}
   PasswordAuthentication {{ ssh_password_authentication | default(sshd_password_authentication) | ternary('yes', 'no') }}
-  SendEnv {{ ssh_send_env | join(' ') }}
+  {% if ssh_send_env | count %}
+    SendEnv {{ ssh_send_env | join(' ') }}
+  {% endif -%}
   StrictHostKeyChecking {{ ssh_strict_host_key_checking }}
   UseRoaming {{ ssh_use_roaming | ternary('yes','no') }}
 {% endblock %}