# function toggle-sudo
#     set buf (commandline)

#     if test -z "$buf"
#         set last (history | head -n1)
#         if test -z "$last"
#             commandline -r "sudo "
#             return
#         end
#         set buf $last
#     end

#     if string match -rq '^\s*sudo(\s+|$)' -- $buf
#         set new (string replace -r '^\s*sudo\s*' '' -- $buf)
#         if test -z "$new"
#             commandline -r ""
#             return
#         end
#         commandline -r $new
#     else
#         commandline -r "sudo $buf"
#     end
# end
# function fish_user_key_bindings
#     for m in default insert
#         bind -M $m ctrl-f accept-autosuggestion
#         bind -M $m ctrl-backspace backward-kill-word
#     end

#     for m in default insert normal
#         bind -M $m alt-left 'commandline -f cancel; cd -; commandline -f repaint'
#         bind -M $m alt-up 'commandline -f cancel; cd ..; commandline -f repaint'
#         bind -M $m ctrl-e toggle-sudo
#         bind -M $m ctrl-r history-pager
#     end

#     bind -M normal U redo

#     for m in default insert normal replace replace_one
#         bind --preset --erase -M $m ctrl-h
#         bind -M $m ctrl-h backward-char
#         bind --preset --erase -M $m ctrl-j
#         bind -M $m ctrl-j down-or-search
#         bind --preset --erase -M $m ctrl-k
#         bind -M $m ctrl-k up-or-search
#         # clear overrode
#         bind --preset --erase -M $m ctrl-l
#         bind -M $m ctrl-l forward-char
#     end
# end

# echo a