Do not use deprecated String.strip

Signed-off-by: José Valim <jose.valim@plataformatec.com.br>

Author: lexmag

lib/mix/lib/mix/tasks/app.tree.ex

@@ -57,13 +57,15 @@ defmodule Mix.Tasks.App.Tree do
     if opts[:format] == "dot" do
       Mix.Utils.write_dot_graph!("app_tree.dot", "application tree",
                                  {:normal, app}, callback, opts)
-      Mix.shell.info """
-        Generated "app_tree.dot" in the current directory. To generate a PNG:
+      """
+      Generated "app_tree.dot" in the current directory. To generate a PNG:
 
-           dot -Tpng app_tree.dot -o app_tree.png
+         dot -Tpng app_tree.dot -o app_tree.png
 
-        For more options see http://www.graphviz.org/.
-        """ |> String.strip
+      For more options see http://www.graphviz.org/.
+      """
+      |> String.trim_trailing
+      |> Mix.shell.info
     else
       Mix.Utils.print_tree({:normal, app}, callback, opts)
     end

lib/mix/lib/mix/tasks/deps.tree.ex

@@ -52,13 +52,15 @@ defmodule Mix.Tasks.Deps.Tree do
     if opts[:format] == "dot" do
       callback = callback(&format_dot/1, deps, opts)
       Mix.Utils.write_dot_graph!("deps_tree.dot", "dependency tree", root, callback, opts)
-      Mix.shell.info """
-        Generated "deps_tree.dot" in the current directory. To generate a PNG:
+      """
+      Generated "deps_tree.dot" in the current directory. To generate a PNG:
 
-            dot -Tpng deps_tree.dot -o deps_tree.png
+          dot -Tpng deps_tree.dot -o deps_tree.png
 
-        For more options see http://www.graphviz.org/.
-        """ |> String.strip
+      For more options see http://www.graphviz.org/.
+      """
+      |> String.trim_trailing
+      |> Mix.shell.info
     else
       callback = callback(&format_tree/1, deps, opts)
       Mix.Utils.print_tree(root, callback, opts)

lib/mix/lib/mix/tasks/test.ex

@@ -3,7 +3,7 @@ defmodule Mix.Tasks.Test do
     @moduledoc false
 
     def start(compile_path, opts) do
-      Mix.shell.info "Cover compiling modules ... "
+      Mix.shell.info "Cover compiling modules ..."
       _ = :cover.start
 
       case :cover.compile_beam_directory(compile_path |> to_charlist) do
@@ -16,7 +16,7 @@ defmodule Mix.Tasks.Test do
       output = opts[:output]
 
       fn() ->
-        Mix.shell.info "\nGenerating cover results ... "
+        Mix.shell.info "\nGenerating cover results ..."
         File.mkdir_p!(output)
         Enum.each :cover.modules, fn(mod) ->
           {:ok, _} = :cover.analyse_to_file(mod, '#{output}/#{mod}.html', [:html])