Run win tools in git bash

Change-Id: Ieada857f2b9f77114196d1574717e80f5d51963a
diff --git a/.gitignore b/.gitignore
index a242c60..62f312a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,8 @@
 /pylint.bat
 /python
 /python.bat
+/python2
+/python2.bat
 /ssh.bat
 /ssh-keygen.bat
 /svn
diff --git a/update_depot_tools b/update_depot_tools
index 81d9979..2e017f4 100755
--- a/update_depot_tools
+++ b/update_depot_tools
@@ -18,6 +18,7 @@
 
 if [ $MINGW = 0 ]; then
   base_dir="${0%/*}"
+  $base_dir/bootstrap/win/win_tools.bat
 else
   base_dir=$(dirname "$0")
   if [ -L "$base_dir" ]; then