PATCH: new rake completion

[Doug Kearns <dougkearns@xxxxxxxxx>]

Here's a start on rake completion...

Regards,
Doug

Index: Completion/Unix/Command/_rake
===================================================================
RCS file: Completion/Unix/Command/_rake
diff -N Completion/Unix/Command/_rake
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ Completion/Unix/Command/_rake	11 Jul 2005 18:10:52 -0000
@@ -0,0 +1,42 @@
+#compdef rake
+
+# rake, version 0.5.4
+
+local curcontext="$curcontext" state line ret=1
+typeset -A opt_args
+
+_arguments -C \
+  '(--dry-run -n)'{--dry-run,-n}'[do a dry run without executing actions]' \
+  '(- *)'{--help,-H}'[display help information]' \
+  '(--libdir -I)'{--libdir,-I}'[include specified directory in the search path for required modules]:library directory:_files -/' \
+  '(--nosearch -N)'{--nosearch,-N}'[do not search parent directories for the Rakefile]' \
+  '(--prereqs -P)'{--prereqs,-P}'[display the tasks and prerequisites, then exit]' \
+  '(--quiet -q --silent -s)'{--quiet,-q}'[do not log messages to standard output]' \
+  '(--rakefile -f)'{--rakefile,-f}'[use specified file as the rakefile]:rake file:_files' \
+  '(--require -r)'{--require,-r}'[require specified module before executing rakefile]' \
+  '(--silent -s --quiet -q)'{--silent,-s}"[like --quiet, but also suppresses the 'in directory' announcement]" \
+  '(--tasks -T)'{--tasks,-T}'[display the tasks and dependencies, then exit]' \
+  '(--trace -t)'{--trace,-t}'[turn on invoke/execute tracing, enable full backtrace]' \
+  '(--usage -h)'{--usage,-h}'[display usage information]' \
+  '(--verbose -v)'{--verbose,-v}'[log message to standard output (default)]' \
+  '(- *)'{--version,-V}'[display version information]' \
+  '*:target:->target' && ret=0
+
+case "$state" in
+  library)
+    local -a dirs
+    dirs=( $(_call_program directories ruby -e 'puts\ $:' 2>/dev/null) )
+    _wanted libraries expl library _path_files -W dirs && ret=0
+  ;;
+  target)
+    local -a targets
+    targets=( ${${(f)"$(_call_program targets $words[1] -sT 2>/dev/null)"}/(#b)rake ([^ ]##) ##\# (*)/$match[1]:${match[2]:l}} )
+    if (( ! ${targets[(I)rake aborted!]} )) then
+      _describe -t targets 'rake target' targets && ret=0
+    else
+      _message -e targets 'rake target'
+    fi
+  ;;
+esac
+
+return ret