function vs -a 'path'
   if test -n "$path"

function vs -a path
   if test -z "$path"
      set path .
   end
   set -l error 0
   #git sync
   if git -C "$path" rev-parse --git-dir &>/dev/null
      git -C "$path" pull
      and git -C "$path" add -u
      and begin
         if not git -C "$path" diff --cached --quiet
            git -C "$path" commit -m "vs"
         end
      end
      and git -C "$path" push
      or set error 1
   end
   # darcs sync
   if darcs show repo --repodir="$path" &>/dev/null
      darcs pull -av --repodir="$path"
      and begin
         if darcs whatsnew --repodir="$path" &>/dev/null
            darcs record -av -m "vs" --repodir="$path"
         end
      end
      and darcs push -av --repodir="$path"
      or set error 1

   # pijul sync
   if pijul list --repository="$path" &>/dev/null
      pijul pull -a --repository="$path"
      and pijul record -a -m "vs" --repository="$path"
      and pijul push -a --repository="$path"
      or set error 1
   end
   # exit
   return $error

  # darcs sync
  if darcs show repo --repodir=/home/zero/dot &>/dev/null
     darcs pull -av --repodir=/home/zero/dot
     and begin
       if darcs whatsnew --repodir=/home/zero/dot >/dev/null 2>&1
          darcs record -av -m "dot" --repodir=/home/zero/dot
       end
     end
     and darcs push -av --repodir=/home/zero/dot
     or echo "darcs sync failed!" >&2
  end
  # pijul sync
  if pijul list --repository=/home/zero/dot &>/dev/null
     pijul pull -a --repository=/home/zero/dot
     and pijul record -a -m "dot" --repository=/home/zero/dot
     and pijul push -a --repository=/home/zero/dot
     or echo "pijul sync failed!" >&2
  end
  # exit
  return 0

    vs $HOME/dot

  if not test -e ~/dot$link
   echo "error: source '~/dot$link' does not exist" >&2

  if not test -e $HOME/dot$link
   echo "error: source '$HOME/dot$link' does not exist" >&2

  ln -sf (realpath ~/dot$link) $link || return 1

  ln -sf (realpath $HOME/dot$link) $link
  or return 1

  kitten ssh -t -i $id zero@$argv[1] $argv[2..]

  kitten ssh -t -i $id $USER@$argv[1] $argv[2..]

  ssh -t -i $id zero@$argv[1] $argv[2..]

  ssh -t -i $id $USER@$argv[1] $argv[2..]

function sn -a 'name'

function sn -a name

function l -a 'path'

function l -a path

function la -a 'path'

function la -a path

function ll -a 'path'

function ll -a path

function lla -a 'path'

function lla -a path

function h -a 'regex'

function h -a regex

function z -a 'cmd'

function z -a cmd

function zf -a 'cmd'

function zf -a cmd

function zd -a 'cmd'

function zd -a cmd

function zv -a 'cmd'

function zv -a cmd

function q -a 'path'

function q -a path

function qf -a 'path'

function qf -a path

function qd -a 'path'

function qd -a path

function qv -a 'path'

function qv -a path

function t -a 'level'

function t -a level

function scm -a 'file'

function scm -a file

function haskell -a 'file'

function haskell -a file