During update, always set the origin url to the lock url

Author: bitwalker

lib/mix/lib/mix/scm/git.ex

@@ -59,6 +59,10 @@ defmodule Mix.SCM.Git do
 
   def update(opts) do
     File.cd! opts[:dest], fn ->
+      # Ensures origin is set the lock repo
+      location = location(opts[:git])
+      update_origin(location)
+
       command = "git fetch --force --progress"
       if opts[:tag] do
         command = command <> " --tags"
@@ -143,6 +147,10 @@ defmodule Mix.SCM.Git do
     |> iolist_to_binary
   end
 
+  defp update_origin(location) do
+    System.cmd('git config remote.origin.url #{location}')
+  end
+
   defp run_cmd_or_raise(command) do
     if Mix.shell.cmd(command) != 0 do
       raise Mix.Error, message: "Command `#{command}` failed"