Re: ClearCase version-extended filename completion

[Peter Stephenson <pws@csr.com>]

> Version-extended file names in ClearCase (e.g.,
> "foo.c@@/main/1") complete correctly (Type "foo.c@@/"
> and press tab) only while using old-style completion. 
> No completions are displayed once you activate new
> style completions by calling "compinit."  I understand
> from earlier threads* that this can be fixed by some
> changes to the "_files" function, but haven't been
> able to figure out the changes required.  Has anyone
> already done this or can explain to me what needs to
> be done?

This is fixed in the latest 4.1 version (the main trunk) in the archive.

The patch was the one below.  I don't know if it works in 4.0, but
there's a reasonable chance.  It's had only limited testing, so any
feedback is useful.


Index: Completion/Unix/Type/_path_files
===================================================================
RCS file: /cvsroot/zsh/zsh/Completion/Unix/Type/_path_files,v
retrieving revision 1.20
diff -u -r1.20 _path_files
--- Completion/Unix/Type/_path_files	6 Nov 2002 08:03:44 -0000	1.20
+++ Completion/Unix/Type/_path_files	12 Feb 2003 15:05:06 -0000
@@ -343,6 +343,22 @@
     if [[ -n "$PREFIX$SUFFIX" ]]; then
       # See which of them match what's on the line.
 
+      # pws non-canonical hack which seems to work so far...
+      # if we didn't match by globbing, check that there is
+      # something to match by explicit name.  This is for
+      # `clever' filing systems where names pop into existence
+      # when referenced.
+      if (( ! $#tmp1 )); then
+	  for tmp3 in "$tmp2[@]"; do
+	      if [[ -n $tmp3 && $tmp3 != */ ]]; then
+		  tmp3+=/
+	      fi
+	      if [[ -e "$tmp3${(Q)PREFIX}${(Q)SUFFIX}" ]] then
+		  tmp1+=("$tmp3${(Q)PREFIX}${(Q)SUFFIX}")
+	      fi
+	  done
+      fi
+
       if (( ! $#tmp1 )); then
         tmp2=( ${^tmp2}/$PREFIX$SUFFIX )
       elif [[ "$tmp1[1]" = */* ]]; then

-- 
Peter Stephenson <pws@csr.com>                  Software Engineer
CSR Ltd., Science Park, Milton Road,
Cambridge, CB4 0WH, UK                          Tel: +44 (0)1223 692070


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