Re: Completion behaviour in 4.1.0-dev-1

[Sven Wischnowsky <wischnow@informatik.hu-berlin.de>]

martin.ebourne@arcordia.com wrote:

> I've just upgraded from Zsh 4.0.2 to 4.1.0-dev-1, and I've noticed a change
> in completion behaviour.
> 
> If I do:
> 
> % zsh -f
> gdd-odybin2% autoload -U compinit
> gdd-odybin2% compinit -C
> gdd-odybin2% setopt cdablevars
> gdd-odybin2% zstyle ':completion:*:complete:cd:*' tag-order local-directories
> gdd-odybin2% cd c<TAB>
> 
> I get a list of local directories, users, and anything else cd can make use
> of. If I do this on 4.0.2 then I only get local directories, assuming one
> matches - otherwise I get the other stuff - which is what I want.
> 
> In 4.1.0 I get only the local directories if I do 'cd <TAB>', just like in
> 4.0.2. It's only when I've added the 'c' that it gives the full list.

Yes, we had some trouble with _cd.  The patch below hopefully makes
this better configurable, using the named-directories tag for anything 
completed by _tilde.

Bye
  Sven

Index: Completion/Zsh/Command/_cd
===================================================================
RCS file: /cvsroot/zsh/zsh/Completion/Zsh/Command/_cd,v
retrieving revision 1.4
diff -u -r1.4 _cd
--- Completion/Zsh/Command/_cd	2001/08/22 15:37:19	1.4
+++ Completion/Zsh/Command/_cd	2001/10/05 11:54:17
@@ -32,13 +32,17 @@
   fi
 
   if [[ $PREFIX != (\~|/|./|../)* ]]; then
-    local tmpcdpath
+    local tmpcdpath alt
+
     tmpcdpath=(${${(@)cdpath:#.}:#$PWD})
 
+    (( $#tmpcdpath )) &&
+      alt=( 'path-directories:directory in cdpath:_path_files -W tmpcdpath -/' )
+
     # With cdablevars, we can complete foo as if ~foo/
     if [[ -o cdablevars && -n "$PREFIX" && "$PREFIX" != <-> ]]; then
       if [[ "$PREFIX" != */* ]]; then
-        _tilde && ret=0
+        alt=( "$alt[@]" 'named-directories: : _tilde' )
       else
         local oipre="$IPREFIX" opre="$PREFIX" dirpre dir
 
@@ -51,26 +55,22 @@
         PREFIX="${PREFIX#*/}"
 
         [[ $#dir -eq 1 && "$dir[1]" != "~$dirpre" ]] &&
-          _wanted named-directories expl 'directories after cdablevar' \
+          _wanted named-directories expl 'directory after cdablevar' \
 	      _path_files -W dir -/ && ret=0
 
         PREFIX="$opre"
         IPREFIX="$oipre"
       fi
-    fi
-    if [[ $#tmpcdpath -ne 0 ]]; then
-      # Don't complete local directories in command position, that's
-      # already handled by _command_names (see _autocd)
-      if [[ CURRENT -eq 1 ]]; then
-	_wanted path-directories expl 'directories in cdpath' \
-	  _path_files -W tmpcdpath -/ && ret=0
-      else
-        _alternative \
-	  'local-directories:local directories:_path_files -/' \
-	  "path-directories:directories in cdpath:_path_files -W tmpcdpath -/" && ret=0
-      fi
-      return ret
     fi
+    # Don't complete local directories in command position, that's
+    # already handled by _command_names (see _autocd)
+
+    [[ CURRENT -ne 1 ]] &&
+        alt=( "${cdpath+local-}directories:${cdpath+local }directory:_path_files -/" "$alt[@]" )
+
+    _alternative "$alt[@]" && ret=0
+
+    return ret
   fi
   _wanted directories expl directory _path_files -/ && ret=0
 

-- 
Sven Wischnowsky                    wischnow@informatik.hu-berlin.de