bundles/transmission: add bundle, add to home.downloadhelper

bundles/transmission/items.py

@@ -0,0 +1,21 @@
+from bundlewrap.metadata import metadata_to_json
+
+# transmission overwrites this on a restart. As of 2021-01 there's no
+# way of disabling that.
+files = {
+    '/etc/transmission-daemon/settings.json': {
+        'content': metadata_to_json(node.metadata['transmission']['config']),
+        'mode': '0444',
+        'triggers': {
+            'svc_systemd:transmission-daemon:reload',
+        },
+    },
+}
+
+svc_systemd = {
+    'transmission-daemon': {
+        'needs': {
+            'pkg_apt:transmission-daemon',
+        },
+    },
+}