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# ------------------------------------------------------------------------------
# Description
# -----------
#
# sudo or sudoedit will be inserted before the command
#
# ------------------------------------------------------------------------------
# Authors
# -------
#
# * Dongweiming <ciici123@gmail.com>
# * Subhaditya Nath <github.com/subnut>
# * Marc Cornellà <github.com/mcornella>
#
# ------------------------------------------------------------------------------
__sudo-replace-buffer() {
local old=$1 new=$2 space=${2:+ }
if [[ ${#LBUFFER} -le ${#old} ]]; then
RBUFFER="${space}${BUFFER#$old }"
LBUFFER="${new}"
else
LBUFFER="${new}${space}${LBUFFER#$old }"
fi
}
sudo-command-line() {
# If line is empty, get the last run command from history
[[ -z $BUFFER ]] && LBUFFER="$(fc -ln -1)"
# Save beginning space
local WHITESPACE=""
if [[ ${LBUFFER:0:1} = " " ]]; then
WHITESPACE=" "
LBUFFER="${LBUFFER:1}"
fi
# If $EDITOR is not set, just toggle the sudo prefix on and off
if [[ -z "$EDITOR" ]]; then
case "$BUFFER" in
sudoedit\ *) __sudo-replace-buffer "sudoedit" "" ;;
sudo\ *) __sudo-replace-buffer "sudo" "" ;;
*) LBUFFER="sudo $LBUFFER" ;;
esac
else
# Check if the typed command is really an alias to $EDITOR
# Get the first part of the typed command
local cmd="${${(Az)BUFFER}[1]}"
# Get the first part of the alias of the same name as $cmd, or $cmd if no alias matches
local realcmd="${${(Az)aliases[$cmd]}[1]:-$cmd}"
# Get the first part of the $EDITOR command ($EDITOR may have arguments after it)
local editorcmd="${${(Az)EDITOR}[1]}"
# Note: ${var:c} makes a $PATH search and expands $var to the full path
# The if condition is met when:
# - $realcmd is '$EDITOR'
# - $realcmd is "cmd" and $EDITOR is "cmd"
# - $realcmd is "cmd" and $EDITOR is "cmd --with --arguments"
# - $realcmd is "/path/to/cmd" and $EDITOR is "cmd"
# - $realcmd is "/path/to/cmd" and $EDITOR is "/path/to/cmd"
# or
# - $realcmd is "cmd" and $EDITOR is "cmd"
# - $realcmd is "cmd" and $EDITOR is "/path/to/cmd"
# or
# - $realcmd is "cmd" and $EDITOR is /alternative/path/to/cmd that appears in $PATH
if [[ "$realcmd" = (\$EDITOR|$editorcmd|${editorcmd:c}) \
|| "${realcmd:c}" = ($editorcmd|${editorcmd:c}) ]] \
|| builtin which -a "$realcmd" | command grep -Fx -q "$editorcmd"; then
editorcmd="$cmd" # replace $editorcmd with the typed command so it matches below
fi
# Check for editor commands in the typed command and replace accordingly
case "$BUFFER" in
$editorcmd\ *) __sudo-replace-buffer "$editorcmd" "sudoedit" ;;
\$EDITOR\ *) __sudo-replace-buffer '$EDITOR' "sudoedit" ;;
sudoedit\ *) __sudo-replace-buffer "sudoedit" "$EDITOR" ;;
sudo\ *) __sudo-replace-buffer "sudo" "" ;;
*) LBUFFER="sudo $LBUFFER" ;;
esac
fi
# Preserve beginning space
LBUFFER="${WHITESPACE}${LBUFFER}"
# Redisplay edit buffer (compatibility with zsh-syntax-highlighting)
zle redisplay
}
zle -N sudo-command-line
# Defined shortcut keys: [Esc] [Esc]
bindkey -M emacs '\e\e' sudo-command-line
bindkey -M vicmd '\e\e' sudo-command-line
bindkey -M viins '\e\e' sudo-command-line
|
