Add MIX_ENV output to archive.build

Signed-off-by: Eric Meadows-Jönsson <eric.meadows.jonsson@gmail.com>

Author: ericmj

lib/mix/lib/mix/tasks/archive.build.ex

@@ -72,5 +72,8 @@ defmodule Mix.Tasks.Archive.Build do
     end
 
     Mix.Archive.create(source, target)
+
+    Mix.shell.info "Generated archive #{target} with MIX_ENV=#{Mix.env}"
+    :ok
   end
 end

lib/mix/test/mix/tasks/archive_test.exs

@@ -24,6 +24,7 @@ defmodule Mix.Tasks.ArchiveTest do
       # Install it!
       Mix.Tasks.Archive.Build.run ["--no-elixir-version-check"]
       assert File.regular? "archive-0.1.0.ez"
+      assert_received {:mix_shell, :info, ["Generated archive archive-0.1.0.ez with MIX_ENV=dev"]}
 
       send self, {:mix_shell_input, :yes?, true}
       Mix.Tasks.Archive.Install.run []
@@ -54,6 +55,7 @@ defmodule Mix.Tasks.ArchiveTest do
       Mix.Project.push(ArchiveProject2)
       Mix.Tasks.Archive.Build.run ["--no_compile"]
       assert File.regular? "archive-0.2.0.ez"
+      assert_received {:mix_shell, :info, ["Generated archive archive-0.2.0.ez with MIX_ENV=dev"]}
 
       send self, {:mix_shell_input, :yes?, true}
       Mix.Tasks.Archive.Install.run []