diff --git a/src/_knife b/src/_knife
index 53aa9ac..dc839ef 100644
--- a/src/_knife
+++ b/src/_knife
@@ -26,7 +26,7 @@
 #
 #  Completion script for Chef's knife (http://www.opscode.com/chef).
 #
-#  Source: https://github.com/robbyrussell/oh-my-zsh/tree/master/plugins/knife
+#  Source: https://github.com/ohmyzsh/ohmyzsh/blob/22fed4f/plugins/knife/_knife
 #
 # ------------------------------------------------------------------------------
 # Authors
@@ -38,6 +38,14 @@
 # ------------------------------------------------------------------------------
 
 
+# You can override the path to knife.rb and your cookbooks by setting
+# KNIFE_CONF_PATH=/path/to/my/.chef/knife.rb
+# KNIFE_COOKBOOK_PATH=/path/to/my/chef/cookbooks
+# If you want your local cookbooks path to be calculated relative to where you are then
+# set the below option
+# KNIFE_RELATIVE_PATH=true
+# Read around where these are used for more detail.
+
 # knife has a very special syntax, some example calls are:
 # knife status
 # knife cookbook list
@@ -48,183 +56,261 @@
 
 # The -Q switch in compadd allow for completions of things like "data bag" without having to go through two rounds of completion and avoids zsh inserting a \ for escaping spaces
 _knife() {
+  # These flags should be available everywhere according to man knife
+  local -a knife_general_flags; knife_general_flags=(--help --server-url --key --config --editor --format --log_level --logfile --no-editor --user --print-after --version --yes)
+
   local curcontext="$curcontext" state line
   typeset -A opt_args
-
-  # These flags should be available everywhere according to man knife
-  knife_general_flags=( --help --server-url --key --config --editor --format --log_level --logfile --no-editor --user --print-after --version --yes --environment )
-
-  cloudproviders=(bluebox ec2 rackspace slicehost terremark)
+  local -a cloudproviders; cloudproviders=(bluebox ec2 rackspace slicehost terremark)
   _arguments \
-    '1: :->knifecmd'\
-    '2: :->knifesubcmd'\
+    '1: :->knifecmd' \
+    '2: :->knifesubcmd' \
     '3: :->knifesubcmd2' \
     '4: :->knifesubcmd3' \
     '5: :->knifesubcmd4' \
     '6: :->knifesubcmd5'
-  
+
   case $state in
   knifecmd)
-    compadd -Q "$@" bootstrap client configure cookbook "cookbook site" "data bag" diff environment user exec index node recipe role search ssh status windows $cloudproviders
-  ;;
+    compadd -Q "$@" bootstrap client configure cookbook "cookbook site" "data bag" diff exec environment user index node recipe role search solo ssh status upload vault windows "$cloudproviders[@]"
+    ;;
   knifesubcmd)
     case $words[2] in
-    (bluebox|ec2|rackspace|slicehost|terremark)
+    bluebox|ec2|rackspace|slicehost|terremark)
       compadd "$@" server images
-    ;;
+      ;;
     client)
       compadd -Q "$@" "bulk delete" list create show delete edit reregister
-    ;;
+      ;;
     configure)
       compadd "$@" client
-    ;;
+      ;;
     cookbook)
       compadd -Q "$@" test list create download delete "metadata from" show "bulk delete" metadata upload
-    ;;
+      ;;
     diff)
-      _arguments '*:file or directory:_files -g "*.(rb|json)"'
-    ;;
+      _arguments '*:file or directory:_files -g "*"'
+      ;;
     environment)
-      compadd -Q "$@" create delete edit "from file" list show
-    ;;
+      compadd -Q "$@" list create delete edit show "from file"
+      ;;
     user)
       compadd -Q "$@" create delete edit list reregister show
-    ;;
+      ;;
     node)
-     compadd -Q "$@" "from file" create show edit delete list run_list "bulk delete"
-    ;;
+      compadd -Q "$@" "from file" create show edit delete list run_list "bulk delete"
+      ;;
     recipe)
-     compadd "$@" list
-    ;;
+      compadd "$@" list
+      ;;
     role)
       compadd -Q "$@" "bulk delete" create delete edit "from file" list show
-    ;; 
+      ;;
+    solo)
+      compadd "$@" bootstrap clean cook init prepare
+      ;;
+    upload)
+      _arguments '*:file or directory:_files -g "*"'
+      ;;
+    vault)
+      compadd -Q "$@" create decrypt delete edit remove "rotate all keys" "rotate keys" show update
+      ;;
     windows)
       compadd "$@" bootstrap
-    ;;
+      ;;
     *)
-    _arguments '2:Subsubcommands:($(_knife_options1))'
+      _arguments '2:Subsubcommands:($(_knife_options1))'
+      ;;
     esac
-   ;;
-   knifesubcmd2)
+    ;;
+  knifesubcmd2)
     case $words[3] in
-     server)
+    server)
       compadd "$@" list create delete
-    ;;
-     images)
+      ;;
+    images)
       compadd "$@" list
-    ;;
-     site)
+      ;;
+    site)
       compadd "$@" vendor show share search download list unshare
-    ;;
-     (show|delete|edit)
-     _arguments '3:Subsubcommands:($(_chef_$words[2]s_remote))'
-    ;;
-    (upload|test)
-     _arguments '3:Subsubcommands:($(_chef_$words[2]s_local) --all)'
-    ;;
+      ;;
+    show|delete|edit|update)
+      _arguments '3:Subsubcommands:($(_knife_list_remote "$words[2]"))'
+      ;;
+    upload|test)
+      _arguments '3:Subsubcommands:($(_call_function - "_knife_list_local_$words[2]s") --all)'
+      ;;
     list)
-     compadd -a "$@" knife_general_flags
-    ;;
+      compadd -a "$@" knife_general_flags
+      ;;
     bag)
       compadd -Q "$@" show edit list "from file" create delete
-    ;;
+      ;;
+    bootstrap|clean|cook|prepare)
+      compadd "$@" nodes/*.json(N:t:r)
+      ;;
+    init)
+      compadd "$@" ./*(/N:t)
+      ;;
     *)
       _arguments '3:Subsubcommands:($(_knife_options2))'
-    esac
-   ;;
-   knifesubcmd3)
-     case $words[3] in
-      show)
-       case $words[2] in
-       cookbook)
-          versioncomp=1
-          _arguments '4:Cookbookversions:($(_cookbook_versions) latest)'
-       ;;
-       (node|client|role|environment)
-         compadd "$@" --attribute
-       esac
-     esac
-     case $words[4] in
-     (show|edit)
-     _arguments '4:Subsubsubcommands:($(_chef_$words[2]_$words[3]s_remote))'
-    ;;
-     file)
-     _arguments '*:file or directory:_files -g "*.(rb|json)"'
-    ;;
-      list)
-     compadd -a "$@" knife_general_flags
-    ;;
-        *)
-       _arguments '*:Subsubcommands:($(_knife_options3))'
+      ;;
     esac
     ;;
-    knifesubcmd4)
-      if (( versioncomp > 0 )); then
-        compadd "$@" attributes definitions files libraries providers recipes resources templates
-      else
-       _arguments '*:Subsubcommands:($(_knife_options2))'
-      fi
-    ;; 
-    knifesubcmd5) 
+  knifesubcmd3)
+    case "$words[3]" in
+    show)
+      case "$words[2]" in
+      cookbook)
+        versioncomp=1
+        _arguments '4:Cookbookversions:($(_knife_cookbook_versions) latest)'
+        ;;
+      node|client|role)
+        compadd "$@" --attribute
+        ;;
+      vault)
+        _arguments '4:Keys:($(_knife_list_remote "$words[2]" "$words[4]"))'
+        ;;
+      esac
+      ;;
+    update)
+      case "$words[2]" in
+      vault)
+        _arguments '4:Keys:($(_knife_list_remote "$words[2]" "$words[4]"))'
+        ;;
+      esac
+      ;;
+    esac
+    case "$words[4]" in
+    show|edit)
+      _arguments '4:Subsubsubcommands:($(_knife_list_remote "$words[2]" "$words[3]"))'
+      ;;
+    file)
+      case "$words[2]" in
+      environment)
+        _arguments '*:files:_path_files -g "*.(rb|json)" -W "$(_knife_root)/environments"'
+        ;;
+      node)
+        _arguments '*:files:_path_files -g "*.(rb|json)" -W "$(_knife_root)/nodes"'
+        ;;
+      role)
+        _arguments '*:files:_path_files -g "*.(rb|json)" -W "$(_knife_root)/roles"'
+        ;;
+      *)
+        _arguments '*:Subsubcommands:($(_knife_options3))'
+        ;;
+      esac
+      ;;
+    list)
+      compadd -a "$@" knife_general_flags
+      ;;
+    *)
       _arguments '*:Subsubcommands:($(_knife_options3))'
-   esac
+      ;;
+    esac
+    ;;
+  knifesubcmd4)
+    if ((versioncomp > 0)); then
+      compadd "$@" attributes definitions files libraries providers recipes resources templates
+    else
+      case "$words[5]" in
+      file)
+        _arguments '*:directory:_path_files -/ -W "$(_knife_root)/data_bags" -qS \ '
+        ;;
+      *) _arguments '*:Subsubcommands:($(_knife_options2))' ;;
+      esac
+    fi
+    ;;
+  knifesubcmd5)
+    case "$words[5]" in
+    file)
+      _arguments '*:files:_path_files -g "*.json" -W "$(_knife_root)/data_bags/$words[6]"'
+      ;;
+    *)
+      _arguments '*:Subsubcommands:($(_knife_options3))'
+      ;;
+    esac
+    ;;
+  esac
 }
 
 # Helper functions to provide the argument completion for several depths of commands
 _knife_options1() {
- ( for line in $( knife $words[2] --help | grep -v "^knife" ); do echo $line | grep "\-\-"; done )
+  local line
+  for line in $(_call_program commands knife "$words[2]" --help | grep -v "^knife"); do
+    echo $line | grep "\-\-"
+  done
 }
 
 _knife_options2() {
- ( for line in $( knife $words[2] $words[3] --help | grep -v "^knife" ); do echo $line | grep "\-\-"; done )
+  local line
+  for line in $(_call_program commands knife "$words[2]" "$words[3]" --help | grep -v "^knife"); do
+    echo $line | grep "\-\-"
+  done
 }
 
 _knife_options3() {
- ( for line in $( knife $words[2] $words[3] $words[4] --help | grep -v "^knife" ); do echo $line | grep "\-\-"; done )
+  local line
+  for line in $(_call_program commands knife "$words[2]" "$words[3]" "$words[4]" --help | grep -v "^knife"); do
+    echo $line | grep "\-\-"
+  done
 }
 
-# The chef_x_remote functions use knife to get a list of objects of type x on the server
-_chef_roles_remote() {
- (knife role list | awk '{print $1}')
-}
-
-_chef_clients_remote() {
- (knife client list | awk '{print $1}')
-}
-
-_chef_nodes_remote() {
- (knife node list | awk '{print $1}')
-}
-
-_chef_cookbooks_remote() {
- (knife cookbook list | awk '{print $1}')
-}
-
-_chef_sitecookbooks_remote() {
- (knife cookbook site list | awk '{print $1}')
-}
-
-_chef_data_bags_remote() {
- (knife data bag list | awk '{print $1}')
-}
-
-_chef_environments_remote() {
- (knife environment list | awk '{print $1}')
-}
-
-_chef_users_remote() {
- (knife user list | awk '{print $1}')
+# get a list of objects of type x on the server
+_knife_list_remote() {
+  case "$*" in
+    role|client|node|cookbook|"cookbook site"|"data bag"|environment|user|vault)
+      _call_program commands knife "$@" list --format json \
+        | grep \" \
+        | awk '{print $1}' \
+        | awk -F"," '{print $1}' \
+        | awk -F"\"" '{print $2}'
+      ;;
+    "vault "*)
+      _call_program commands knife vault show "$2" --format json \
+        | grep \" \
+        | awk '{print $1}' \
+        | awk -F"," '{print $1}' \
+        | awk -F"\"" '{print $2}'
+      ;;
+  esac
 }
 
 # The chef_x_local functions use the knife config to find the paths of relevant objects x to be uploaded to the server
-_chef_cookbooks_local() {
- (for i in $( grep cookbook_path $HOME/.chef/knife.rb | awk 'BEGIN {FS = "[" }; {print $2}' | sed 's/\,//g' | sed "s/'//g" | sed 's/\(.*\)]/\1/'  | cut -d '"' -f2 ); do ls $i; done)
+_knife_list_local_cookbooks() {
+  if [ $KNIFE_RELATIVE_PATH ]; then
+    local cookbook_path="$(_knife_root)/cookbooks"
+  else
+    local knife_rb="${KNIFE_CONF_PATH:-${HOME}/.chef/knife.rb}"
+    if [ -f ./.chef/knife.rb ]; then
+      knife_rb="./.chef/knife.rb"
+    fi
+    local cookbook_path="${KNIFE_COOKBOOK_PATH:-$(grep -s cookbook_path "$knife_rb" | awk 'BEGIN {FS = "[" }; {print $2}' | sed 's/\,//g' | sed "s/'//g" | sed 's/\(.*\)]/\1/' | cut -d '"' -f2)}"
+  fi
+
+  local i
+  for i in $cookbook_path; do
+    ls $i
+  done
 }
 
 # This function extracts the available cookbook versions on the chef server
-_cookbook_versions() {
-  (knife cookbook show $words[4] | grep -v $words[4] | grep -v -E '\]|\[|\{|\}' | sed 's/ //g' | sed 's/"//g')
+_knife_cookbook_versions() {
+  _call_program commands knife cookbook show "$words[4]" \
+    | grep -v "$words[4]" \
+    | grep -v -E '\]|\[|\{|\}' \
+    | sed 's/ //g' \
+    | sed 's/"//g'
+}
+
+# Searches up from current directory to find the closest folder that has a .chef folder
+# Useful for the knife upload/from file commands
+_knife_root() {
+  local directory="$PWD"
+  while [ $directory != '/' ]; do
+    test -e "$directory/.chef" && echo "$directory" && return
+    directory="${directory:h}"
+  done
 }
 
 _knife "$@"