Re: Bug#423897: zsh: better completion for screen

[Clint Adams <schizo@debian.org>]

On Mon, May 14, 2007 at 11:31:29PM +0400, Alexander Myodov wrote:
> Currently -r and -R completions list only detached sessions, and -x completion lists only attached sessions. In fact, when any of these arguments used together with -D or -d command (in the format either "-D -r" or "-Dr"), they should complete any available sessions, no matter are they detached or attached. 
> This means that any combination of "-[Dd][Rrx]" or "-[Dd] -[Rrx]" should complete into the list of any available sessions.
> I include the trivial patch to handle the "-[Dd][Rrx]" part (the file to change is /usr/share/zsh/4.3.2/functions/Completion/Unix/_screen); if anyone can provide the similar completion for "-[Dd] -[Rrx]", it would be good.
> 
> 
> --- _screen.old	2007-05-14 22:25:16.000000000 +0400
> +++ _screen.new	2007-05-14 22:51:36.000000000 +0400
> @@ -75,7 +75,11 @@
>    '-p[preselect the named window]:window number or name:((\=\:windowlist -\:blank\ window \:window\ number))' \
>    '-q[quiet startup, exit with non-zero return code if unsuccessful]' \
>    '-r[reattach to a detached screen process]: :->detached-sessions' \
> +  '-Dr: :->any-sessions' \
> +  '-dr: :->any-sessions' \
>    '-R[reattach if possible, otherwise start a new session]: :->detached-sessions' \
> +  '-DR: :->any-sessions' \
> +  '-dR: :->any-sessions' \
>    '-s[shell to execute rather than $SHELL]:shell name: _command_names -e' \
>    '-S[name this session <pid>.sockname instead of <pid>.<tty>.<host>]:session name' \
>    "-t[set title (window's name)]:title" \
> @@ -84,6 +88,8 @@
>    '(-)-v[print screen version]' \
>    '(-)-wipe[do nothing, clean up SockDir]' \
>    '-x[attach to a not detached screen (multi display mode)]: :->attached-sessions' \
> +  '-Dx: :->any-sessions' \
> +  '-dx: :->any-sessions' \
>    '-X[execute command as a screen command in the specified session]:screencmd:(${scr_cmds[@]})' \
>    '*::arguments: _normal'
>  
> @@ -101,6 +107,11 @@
>              -ls)"}:#*[Dd]etached*}##[[:blank:]]}%%[[:blank:]]*}
>        )
>      ;;
> +    any-sessions)
> +      sessions=(
> +        ${${${(M)${(f)"$(_call_program screen-sessions $words[1] \
> +	    -ls)"}:#*tached*}##[[:blank:]]}%%[[:blank:]]*}
> +      )
>    esac
>  
>    # check if initial PID is necessary to make sessions unambiguous

This option agglutination makes me uncomfortable, but -s isn't on for
_arguments, and -dmS is already in there, so I'll commit this.