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PATCH: newsgroup completion

Bart wrote:

> } > I'm not too sure how consistent the .newsrc file format is. Can
> } > anyone confirm if this would work with slrn.
> I can't confirm it for slrn, but it would work for Pine and Netscape
> (though netscape uses .newsrc.<newshostname> in some cases).  I think
> the newsrc format is pretty well established, and it would be unlikely
> for a newsreader to use that file name and not that format.

Thanks. Something else I read also indicated that .newsrc should be
fairly standard so I've added the _newsgroups. _netscape and _tin
make now use of it. _slrn possibly also could but I don't have slrn to

I look in .newsrc* for newsgroups as this covers netscape and setups
like mine where I have configured tin's newsrctable for multiple news
servers. Having a glob also simplified the situation where .newsrc*
doesn't exit because zsh doesn't run the fgrep. I suppose we could
also add a style to specify a different newsrc file.

When no .newsrc file exists, I end up with _cache_newsgroups
containing one empty value (''). I got around this by using the
${(w)#_cache_newsgroups} but it'd be nice if there was a parameter
expansion flag or maybe a typeset option to remove empty entries from
an array. Any opinions?

This newsgroup completion shows up a few problems with _multi_parts.
The suffix handling doesn't seem to work properly. If I use
_newsgroups -S',' I still get a space and not a comma after a full
newsgroup name.

I'm also getting a problem after the first part of a newsgroup is
typed in full. e.g:
  tin comp<tab>
gives me:
  tin comp..comp.
I can reproduce this starting from zsh -f so it isn't my setup.

I wrote:

> Why when completing newsgroups (the final part of _arguments) does it
> display just 'newsgroup' instead of 'Completing newsgroup' when I have

Sorry about this. I traced this problem to a rogue zstyle in my setup.


Index: Completion/User/.distfiles
RCS file: /cvsroot/zsh/zsh/Completion/User/.distfiles,v
retrieving revision 1.14
diff -u -r1.14 .distfiles
--- Completion/User/.distfiles	2000/12/16 16:30:38	1.14
+++ Completion/User/.distfiles	2001/02/08 17:07:03
@@ -7,12 +7,12 @@
     _gs _gv _gzip _hosts _imagemagick _ispell
     _java _joe _killall _lp _look _lynx _lzop
     _mailboxes _make _man _mere _mh _mount _mutt _my_accounts _mysql_utils
-    _nedit _netscape _nslookup _other_accounts
+    _nedit _netscape _newsgroups _nslookup _other_accounts
     _pack _patch _pbm _pdf _perl _perl_basepods _perl_builtin_funcs
     _perl_modules _perldoc _ports _prcs _printers _prompt _ps _pspdf
     _psutils _rcs _rlogin
     _sh _slrn _socket _ssh _strip _stty _su _sudo
-    _tar _tar_archive _telnet _tex _texi _tiff _tilde_files
+    _tar _tar_archive _telnet _tex _texi _tiff _tilde_files _tin
     _urls _use_lo _user_at_host _users _users_on
     _webbrowser _wget _whereis _whois _xargs _yodl _yp
     _zcat _zdump
Index: Completion/User/_netscape
RCS file: /cvsroot/zsh/zsh/Completion/User/_netscape,v
retrieving revision 1.8
diff -u -r1.8 _netscape
--- Completion/User/_netscape	2000/05/31 09:38:26	1.8
+++ Completion/User/_netscape	2001/02/08 17:07:03
@@ -74,13 +74,15 @@
     _wanted values expl 'about what' \
         compadd "$@" authors blank cache document fonts global hype image-cache \
             license logo memory-cache mozilla plugins && ret=0
+  elif compset -P news: ; then
+    _newsgroups "$@" && ret=0
     _tags prefixes
     while _tags; do
       while _next_label prefixes expl 'URL prefix' "$@"; do
         _urls "$expl[@]" && ret=0
 	compset -S '[^:]*'
-        compadd -S '' "$expl[@]" about: mocha: javascript: && ret=0
+        compadd -S '' "$expl[@]" about: news: mocha: javascript: && ret=0
       (( ret )) || return 0
Index: Completion/User/_newsgroups
RCS file: _newsgroups
diff -N _newsgroups
--- /dev/null	Mon Dec 11 17:26:27 2000
+++ _newsgroups	Thu Feb  8 09:07:03 2001
@@ -0,0 +1,9 @@
+local expl
+: ${(A)_cache_newsgroups:=${${(f)"$(fgrep -vh \! ~/.newsrc*)"}%:*}}
+(( ${(w)#_cache_newsgroups} )) && _wanted newsgroups expl 'newsgroup' \
+    _multi_parts "$@" -i . _cache_newsgroups
Index: Completion/User/_tin
RCS file: /cvsroot/zsh/zsh/Completion/User/_tin,v
retrieving revision 1.1
diff -u -r1.1 _tin
--- Completion/User/_tin	2001/02/01 15:00:43	1.1
+++ Completion/User/_tin	2001/02/08 17:07:03
@@ -34,7 +34,7 @@
   "-X[don't save any files on quit]" \
   '-z[start if any unread news]' \
   '-Z[return status to indicate if any unread news]' \
-  '::newsgroup' && return 0
+  '::newsgroup:_newsgroups' && return 0
 if [[ "$state" = newshosts ]]; then
   newshosts=( ${${(f)"$(<~/.tin/newsrctable)"}%%\#*} ) 2>/dev/null

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