#compdef prcs

# lookup project names in the repository
# (this does not handle subprojects)

(( $+functions[_prcs_projects] )) ||
_prcs_projects() {
  compadd $@ - ${~opt_args[-R]:-${opt_args[--repository]:-${PRCS_REPOSITORY:-$HOME/PRCS}}}/*(/:t)
}	   

# standard options for all subcommands 

(( $+functions[_prcs_arguments] )) ||
_prcs_arguments() {
  _arguments -s \
    '(-f)--force[resolve interactive queries in some fixed way]' \
    '(--force)-f[resolve interactive queries in some fixed way]' \
    '(-h -H)--help[print out help]' \
    '(--help -H)-h[print out help]' \
    '(--help -h)-H[print out help]' \
    '(-j)--jobs=[spawn many child processes at once]:number:' \
    '(--jobs)-j[spawn many child processes at once]:number:' \
    '(-l)--long-format[long format]' \
    '(--long-format)-l[long format]' \
    '(-L)--long-long-format[long format]' \
    '(--long-long-format)-L[longer format]' \
    '(-n)--no-action[no action]' \
    '(--no-action)-n[no action]' \
    '(-q)--quiet[suppress normal informational messages]' \
    '(--quiet)-q[suppress normal informational messages]' \
    "--plain-format[don't break lines at screen width]" \
    '(-R)--repository=[set the repository directory]:directory:_files -/' \
    '(--repository)-R[set the repository directory]:directory:_files -/' \
    '(-v)--version[print PRCS version and exits]' \
    '(--version)-v[print PRCS version and exits]' \
    $@
}

if (( CURRENT == 2 )); then
  _arguments \
    ':prcs command:((
      admin\:"admin subcommand"
      checkin\:"checkin project revision"
      checkout\:"checkout project revision"
      config\:"verify configuration"
      delete\:"delete named revision of project"
      depopulate\:"remove named files from project descriptor"
      diff\:"show differences between two revisions"
      execute\:"execute a command for each file in a project"
      info\:"print information about versions of project"
      merge\:"reconcile differences between working files and another revision"
      package\:"package the project and all its revisions into packagefile"
      populate\:"add named files to project descriptor"
      rekey\:"set keywords in selected files"
      unpackage\:"unpackage project in packagefile"))'
else
  shift words
  (( --CURRENT )) 
  case "$words[1]" in
  admin)
    if (( CURRENT == 2 )); then
      _arguments \
	':admin subcommand:((
	  access\:"set the access permissions on the repository"
	  compress\:"instruct PRCS to save disk space for project"
	  init\:"create a repository entry"
	  pdelete\:"delete a repository entry"
	  pinfo\:"list all projects in the repository"
	  prename\:"rename a repository entry"
	  rebuild\:"reconstruct PRCS data files in the repository"
	  uncompress\:"instruct PRCS to save time in processing project"))'
    else
      shift words
      (( --CURRENT ))
      case "$words[1]" in
      access|compress|init|pdelete|prename|rebuild)
        _prcs_arguments ':project name:_prcs_projects'
        ;;
      pinfo)
	_prcs_arguments
	;;
      uncompress)
        _prcs_arguments \
	  '-i[expand the entire project immediately]' \
          ':project name:_prcs_projects'
        ;;
      *)
	_message "unknown prcs administrative subfunction: $words[1]"
	;;
      esac
    fi
    ;;
  checkin)
    _prcs_arguments \
      '(-r)--revision=[version of the project]:revision:' \
      '(--revision)-r[version of the project]:revision:' \
      '(-s)--skilled-merge[turn off most of the safety features of merge]' \
      '(--skilled-merge)-s[turn off most of the safety features of merge]' \
      ':project name:_prcs_projects' \
      '*:file or directory:_files'
    ;;
  checkout)
    _prcs_arguments \
      '(-r)--revision=[version of the project]:revision:' \
      '(--revision)-r[version of the project]:revision:' \
      '(-p)--preserve[preserve permissions on files that are checked out]' \
      '(--preserve)-p[preserve permissions on files that are checked out]' \
      "(-u)--unlink[don't overwrite symbolic link references]" \
      "(--unlink)-u[don't overwrite symbolic link references]" \
      "(-P)--exclude-project-file[don't checkout the project file]" \
      "(--exclude-project-file)-P[don't checkout the project file]" \
      ':project name:_prcs_projects' \
      '*:file or directory:_files'
    ;;
  config)
    _prcs_arguments
    ;;
  delete)
    _prcs_arguments \
      '(-r)--revision=[version of the project]:reversion:' \
      '(--revision)-r[version of the project]:reversion:' \
      ':project name:_prcs_projects'
    ;;
  depopulate)
    _prcs_arguments \
      ':project name:_prcs_projects' \
      '*:file or directory:_files'
    ;;
  diff)
    _prcs_arguments \
      '*--revision=[version of the project]:revision:' \
      '*-r[version of the project]:revision:' \
      '(-k)--keywords[compare keywords too]' \
      '(--keywords)-k[compare keywords too]' \
      '(-N)--new[compare new files against empty files]' \
      '(--new)-N[compare new files against empty files]' \
      "(-P)--exclude-project-file[don't diff the project file]" \
      "(--exclude-project-file)-P[don't diff the project file]" \
      '--[introduce diff options]:*::diff options:=  _diff_options ${PRCS_DIFF_COMMAND:-diff}' \
      ':project name:_prcs_projects' \
      '*:file or directory:_files'
    ;;
  execute)
      _prcs_arguments \
	'(-r)--revision=[version of the project]:reversion:' \
	'(--revision)-r[version of the project]:reversion:' \
	'--pre[list directories first]' \
	'(--pipe)--all[execute command once, with all files as arguments]' \
	'(--all)--pipe[supply file contents as the standard input]' \
	'--match[execute command on files matching a pattern]:pattern:' \
	'--not[execute command on files not matching a pattern]:pattern:' \
	'--:command: _command_names -e:*::arguments: _normal' \
	':project name:_prcs_projects' \
	'*:file or directory:_files'
    ;;
  info)
    _prcs_arguments \
      '(-r)--revision=[version of the project]:revision:' \
      '(--revision)-r[version of the project]:revision:' \
      '--sort=[set sorting type]:sorting type:(version date)' \
      ':project name:_prcs_projects' \
      '*:file or directory:_files'
    ;;
  merge)
    _prcs_arguments \
      '(-r)--revision=[version of the project]:revision:' \
      '(--revision)-r[version of the project]:revision:' \
      '(-s)--skilled-merge[turn off most of the safety features of merge]' \
      '(--skilled-merge)-s[turn off most of the safety features of merge]' \
      "(-u)--unlink[don't overwrite symbolic link references]" \
      "(--unlink)-u[don't overwrite symbolic link references]" \
      ':project name:_prcs_projects' \
      '*:file or directory:_files'
    ;;
  package)
    _prcs_arguments \
      '(-r)--revision=[version of the project]:revision:' \
      '(--revision)-r[version of the project]:revision:' \
      '(-z)--compress=[compress the output]' \
      '(--compress)-z[compress the output]' \
      ':project name:_prcs_projects' \
      ':file:_files'
    ;;
  populate)
    _prcs_arguments \
      '(-d)--delete=[perform optional deletions]' \
      '(--delete)-d[perform optional deletions]' \
      ':project name:_prcs_projects' \
      '*:file or directory:_files'
    ;;    
  rekey)
    _prcs_arguments \
      "(-u)--unlink[don't overwrite symbolic link references]" \
      "(--unlink)-u[don't overwrite symbolic link references]" \
      ':project name:_prcs_projects'
    ;;    
  unpackage)
    _prcs_arguments \
      ':file:_files' \
      ':project name:_prcs_projects'
    ;;
  *)
    _message "unknown prcs command: $words[1]"
  ;;
  esac
fi