function __fish_complete_svn_diff --description 'Complete "svn diff" arguments'
	set -l cmdl (commandline -cop)
#set -l cmdl svn diff --diff-cmd diff --extensions '-a -b'
set -l diff diff
set -l args
while set -q cmdl[1]
switch $cmdl[1]
case --diff-cmd
if set -q cmdl[2]
set diff $cmdl[2]
set -e cmd[2]
end

case --extensions
if set -q cmdl[2]
set args $cmdl[2]
set -e cmdl[2]
end
end
set -e cmdl[1]
end
set -l token (commandline -cpt)
complete -C"$diff $args $token"

end