use nodeinfo 2.1, add repository field

that is the only change from nodeinfo 2.0 to 2.1

also this makes the nodeinfo tests use 2.1.json instead of 2.0.json

lib/pleroma/application.ex

@@ -8,9 +8,11 @@ defmodule Pleroma.Application do
 
   @name "Pleroma"
   @version Mix.Project.config()[:version]
+  @repository "https://git.pleroma.social/pleroma/pleroma"
   def name, do: @name
   def version, do: @version
   def named_version(), do: @name <> " " <> @version
+  def repository, do: @repository
 
   def user_agent() do
     info = "#{Pleroma.Web.base_url()} <#{Pleroma.Config.get([:instance, :email], "")}>"

lib/pleroma/web/nodeinfo/nodeinfo_controller.ex

@@ -17,8 +17,8 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
     response = %{
       links: [
         %{
-          rel: "http://nodeinfo.diaspora.software/ns/schema/2.0",
-          href: Web.base_url() <> "/nodeinfo/2.0.json"
+          rel: "http://nodeinfo.diaspora.software/ns/schema/2.1",
+          href: Web.base_url() <> "/nodeinfo/2.1.json"
         }
       ]
     }
@@ -26,8 +26,8 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
     json(conn, response)
   end
 
-  # Schema definition: https://github.com/jhass/nodeinfo/blob/master/schemas/2.0/schema.json
-  def nodeinfo(conn, %{"version" => "2.0"}) do
+  # Schema definition: https://github.com/jhass/nodeinfo/blob/master/schemas/2.1/schema.json
+  def nodeinfo(conn, %{"version" => "2.1"}) do
     instance = Application.get_env(:pleroma, :instance)
     media_proxy = Application.get_env(:pleroma, :media_proxy)
     suggestions = Application.get_env(:pleroma, :suggestions)
@@ -99,10 +99,11 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
       |> Enum.filter(& &1)
 
     response = %{
-      version: "2.0",
+      version: "2.1",
       software: %{
         name: Pleroma.Application.name(),
-        version: Pleroma.Application.version()
+        version: Pleroma.Application.version(),
+        repository: Pleroma.Application.repository(),
       },
       protocols: ["ostatus", "activitypub"],
       services: %{
@@ -146,7 +147,7 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
     conn
     |> put_resp_header(
       "content-type",
-      "application/json; profile=http://nodeinfo.diaspora.software/ns/schema/2.0#; charset=utf-8"
+      "application/json; profile=http://nodeinfo.diaspora.software/ns/schema/2.1#; charset=utf-8"
     )
     |> json(response)
   end

test/web/node_info_test.exs

@@ -12,7 +12,7 @@ defmodule Pleroma.Web.NodeInfoTest do
 
     conn =
       conn
-      |> get("/nodeinfo/2.0.json")
+      |> get("/nodeinfo/2.1.json")
 
     assert result = json_response(conn, 200)
 
@@ -22,7 +22,7 @@ defmodule Pleroma.Web.NodeInfoTest do
   test "nodeinfo shows restricted nicknames", %{conn: conn} do
     conn =
       conn
-      |> get("/nodeinfo/2.0.json")
+      |> get("/nodeinfo/2.1.json")
 
     assert result = json_response(conn, 200)
 
@@ -42,7 +42,7 @@ defmodule Pleroma.Web.NodeInfoTest do
     |> json_response(404)
 
     conn
-    |> get("/nodeinfo/2.0.json")
+    |> get("/nodeinfo/2.1.json")
     |> json_response(404)
 
     instance =
@@ -58,7 +58,7 @@ defmodule Pleroma.Web.NodeInfoTest do
     |> json_response(200)
 
     conn
-    |> get("/nodeinfo/2.0.json")
+    |> get("/nodeinfo/2.1.json")
     |> json_response(200)
   end
 end