old_contents: #!/usr/bin/env python
  
  """Assists with installing symlinks for all dotfiles/configs under this dir."""
  
  import os
  import sys
  
  
  FILE_MAP = {
    'bashrc': '~/.bashrc',
    'colordiffrc': '~/.colordiffrc',
    'gitconfig': '~/.gitconfig',
    'pystartup': '~/.pystartup',
    'tmux.conf': '~/.tmux.conf',
    'vimrc': '~/.vimrc',
    'alacritty.yml': '~/.config/alacritty/alacritty.yml',
  
    # TODO(joshcb): This should be OSX only.
    'slate': '~/.slate',
  }
  
  DIR_MAP = {
    'sublime': '~/.config/sublime-text-3/Packages/User'
  }
  
  
  def install(src, dst):
    ensure_dir_exists(dst)
    os.symlink(src, dst)
    print "Created %s" % dst
  
  
  def ensure_dir_exists(path):
    dirname = os.path.dirname(os.path.expanduser(path))
    try:
      os.makedirs(dirname)
    except FileExistsError:
      pass
  
  
  def ensure_installed(src, dst):
    rel = os.path.relpath(dst, os.path.expanduser('~'))
    if os.path.islink(dst):
      print "%s is already a symlink, assuming we've already installed it." % rel
    elif not os.path.exists(dst):
      result = raw_input("%s doesn't exist.  Install symlink? [y/n] " % rel)
      if result.upper() == 'Y':
        install(src, dst)
    else:
      print "WARNING: %s already exists and is not a symlink, skipping." % rel
  
  
  def main():
    # TODO(joshcb): Improve multi-platform support.
    if sys.platform == 'darwin':
      del DIR_MAP['sublime']
    config_root = os.path.dirname(__file__)
    full_map = {}
    for src_dir, dst_dir in DIR_MAP.iteritems():
      for file in os.listdir(os.path.join(config_root, src_dir)):
        full_map[os.path.join(config_root, src_dir, file)] = os.path.join(
            dst_dir, file)
    for src_file, dst_file in FILE_MAP.iteritems():
      full_map[os.path.join(config_root, src_file)] = dst_file
    for src in sorted(full_map.keys()):
      ensure_installed(os.path.abspath(src), os.path.expanduser(full_map[src]))
  
  
  
  if __name__ == '__main__':
    main()
  
new_contents: #!/usr/bin/env python
  
  """Assists with installing symlinks for all dotfiles/configs under this dir."""
  
  import os
  import sys
  import errno
  
  
  FILE_MAP = {
    'bashrc': '~/.bashrc',
    'colordiffrc': '~/.colordiffrc',
    'gitconfig': '~/.gitconfig',
    'pystartup': '~/.pystartup',
    'tmux.conf': '~/.tmux.conf',
    'vimrc': '~/.vimrc',
    'alacritty.yml': '~/.config/alacritty/alacritty.yml',
  
    # TODO(joshcb): This should be OSX only.
    'slate': '~/.slate',
  }
  
  DIR_MAP = {
    'sublime': '~/.config/sublime-text-3/Packages/User'
  }
  
  
  def install(src, dst):
    ensure_dir_exists(dst)
    os.symlink(src, dst)
    print "Created %s" % dst
  
  
  def ensure_dir_exists(path):
    dirname = os.path.dirname(os.path.expanduser(path))
    try:
      os.makedirs(dirname)
    except OSError as e:
      if e.errno == errno.EEXIST:
        pass
      else:
        raise
  
  
  def ensure_installed(src, dst):
    rel = os.path.relpath(dst, os.path.expanduser('~'))
    if os.path.islink(dst):
      print "%s is already a symlink, assuming we've already installed it." % rel
    elif not os.path.exists(dst):
      result = raw_input("%s doesn't exist.  Install symlink? [y/n] " % rel)
      if result.upper() == 'Y':
        install(src, dst)
    else:
      print "WARNING: %s already exists and is not a symlink, skipping." % rel
  
  
  def main():
    # TODO(joshcb): Improve multi-platform support.
    if sys.platform == 'darwin':
      del DIR_MAP['sublime']
    config_root = os.path.dirname(__file__)
    full_map = {}
    for src_dir, dst_dir in DIR_MAP.iteritems():
      for file in os.listdir(os.path.join(config_root, src_dir)):
        full_map[os.path.join(config_root, src_dir, file)] = os.path.join(
            dst_dir, file)
    for src_file, dst_file in FILE_MAP.iteritems():
      full_map[os.path.join(config_root, src_file)] = dst_file
    for src in sorted(full_map.keys()):
      ensure_installed(os.path.abspath(src), os.path.expanduser(full_map[src]))
  
  
  
  if __name__ == '__main__':
    main()
  
subject: fix install script