Merge pull request #1193 from heroku/fork-deploy-type

Record source app id as fork deploy source

lib/heroku/command/fork.rb

@@ -42,7 +42,7 @@ def index
       end
 
       action("Copying slug") do
-        copy_slug(from, to)
+        copy_slug(from_info, to_info)
       end
 
       from_config = api.get_config_vars(from).body
@@ -108,7 +108,9 @@ def index
 
   private
 
-    def copy_slug(from, to)
+    def copy_slug(from_info, to_info)
+      from = from_info["name"]
+      to = to_info["name"]
       from_releases = api.get_releases_v3(from, 'version ..; order=desc,max=1;').body
       raise Heroku::Command::CommandFailed.new("No releases on #{from}") if from_releases.empty?
       from_slug = from_releases.first.fetch('slug', {})
@@ -117,7 +119,7 @@ def copy_slug(from, to)
                           from_slug["id"],
                           :description => "Forked from #{from}",
                           :deploy_type => "fork",
-                          :deploy_source => from)
+                          :deploy_source => from_info["id"])
     end
 
     def check_for_pgbackups!(app)

spec/heroku/command/fork_spec.rb

@@ -49,12 +49,13 @@ module Heroku::Command
       end
 
       it "copies slug" do
+        from_info = api.get_app("example").body
         expect_any_instance_of(Heroku::API).to receive(:get_releases_v3).with("example", "version ..; order=desc,max=1;").and_call_original
         expect_any_instance_of(Heroku::API).to receive(:post_release_v3).with("example-fork",
                                                                               "SLUG_ID",
                                                                               :description => "Forked from example",
                                                                               :deploy_type => "fork",
-                                                                              :deploy_source => "example").and_call_original
+                                                                              :deploy_source => from_info["id"]).and_call_original
         execute("fork example-fork")
       end