#compdef co ci rcs rcsdiff merge

local ret=1

if [[ $service = merge ]]; then
  _arguments \
    '-E[output unmerged changes, bracketing conflicts]' \
    '-A[output conflicts using the -A style of diff3]' \
    '-e[output unmerged changes]' \
    '*-L[specify labels for corresponding files]' \
    '-p[send results to standard output]' \
    '-q[do not warn about conflicts (quiet)]' \
    '-V[display version information]' \
    '1:file:_files' \
    '2:original file:_files' \
    '3:modified file:_files' && ret=0
elif [[ -d RCS && $service != ci ]]; then
  local rep expl

  rep=(RCS/*,v(D:t:s/\,v//))
  (( $#rep )) && _wanted files expl 'RCS file' compadd -a rep && ret=0
fi

[[ $service = ci || $service = rcs || ret -eq 1 ]] && _files && ret=0

return ret