# ------------------------------------------------------------------------------
# Description
# -----------
#
# sudo will be inserted before the command
#
# ------------------------------------------------------------------------------
# Authors
# -------
#
# * Dongweiming <ciici123@gmail.com>
#
# ------------------------------------------------------------------------------

sudo-command-line() {
[[ -z $BUFFER ]] && zle up-history
[[ $BUFFER != sudo\ * ]] && BUFFER="sudo $BUFFER"
zle end-of-line 
}
zle -N sudo-command-line
# Defined shortcut keys: [Esc] [Esc]
bindkey "\e\e" sudo-command-line