Add gpg_auth to Linux.

ansible/roles/ssh_client/files/gpg_auth_linux

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+#
+# Wrapper to set the SSH auth socket to GPG for services that do not
+# yet support security key ssh keys
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+exec env SSH_AUTH_SOCK="${XDG_RUNTIME_DIR}/gnupg/S.gpg-agent.ssh" "$@"

ansible/roles/ssh_client/tasks/freebsd.yaml

@@ -12,5 +12,5 @@
     owner: root
     group: wheel
   loop:
-    - src: gpg_auth
+    - src: gpg_auth_freebsd
       dest: /usr/local/bin/gpg_auth

ansible/roles/ssh_client/tasks/linux.yaml

@@ -1,6 +1,10 @@
-# - name: Install packages
-#   pacman:
-#     name:
-#       - foo
-#     state: present
-#     update_cache: true
+- name: Install scripts
+  copy:
+    src: "files/{{ item.src }}"
+    dest: "{{ item.dest }}"
+    mode: 0755
+    owner: root
+    group: wheel
+  loop:
+    - src: gpg_auth_linux
+      dest: /usr/local/bin/gpg_auth