Fix cap completion, via hpoydar

lib/cap.zsh

@@ -0,0 +1,24 @@
+# May need to trash `.zcompdump` and regenerate it 
+# with `compinit` for this to work
+
+_cap_does_task_list_need_generating () {
+  if [ ! -f .cap_tasks~ ]; then return 0;
+  else
+    accurate=$(stat -f%m .cap_tasks~)
+    changed=$(stat -f%m config/deploy.rb)
+    return $(expr $accurate '>=' $changed)
+  fi
+}
+
+_cap () {
+  if [ -f capfile ]; then
+    if _cap_does_task_list_need_generating; then
+      echo "\nGenerating .cap_tasks~..." > /dev/stderr
+      cap -vT | awk 'FB != 1 {if ($0 ~ /^$/){FB=1}else{print $2}}' > .cap_tasks~
+    fi
+    compadd `cat .cap_tasks~`
+  fi
+}
+
+compctl -K _cap cap
+