#compdef wiggle

local fns='-m --merge -d --diff -x --extract'

_arguments \
  "($fns -1 -2 -3)"{-m,--merge}'[select the merge function]' \
  "($fns -3 3)"{-d,--diff}'[display differences between files]' \
  "($fns 2 3)"{-x,--extract}'[extract one branch of a patch or merge file]' \
  '(-w --words -l --lines)'{-w,--words}'[make operations and display word based]' \
  '(-l --lines -w --words)'{-l,--lines}'[make operations and display line based]' \
  '(-p --patch)'{-p,--patch}'[treat last named file as a patch]' \
  '(-r --replace)'{-r,--replace}'[replace original file with merged output]' \
  '(-R --reverse -x --extract)'{-R,--reverse}'[swap the files or revert changes]' \
  '(-2 -3 -m --merge)-1[select branch]' \
  '(-1 -3 -m --merge)-2[select branch]' \
  '(-1 -2 -m --merge)-3[select branch]' \
  '(1 2 3 -)'{-h,--help}'[display help information]' \
  '(1 2 3 -)'{-V,--version}'[display version information]' \
  '(-v --verbose -q --quiet)'{-v,--verbose}'[enable verbose output]' \
  '(-q --quiet -v --verbose)'{-q,--quiet}'[enable quiet output]' \
  '1:file:_files' \
  '2:file:_files' \
  '3:file:_files'