--- /dev/null
+#!/bin/zsh
+
+# grunt-cli
+# http://gruntjs.com/
+#
+# Copyright (c) 2016 Tyler Kellen, contributors
+# Licensed under the MIT license.
+# https://github.com/gruntjs/grunt/blob/master/LICENSE-MIT
+
+# Usage:
+#
+# To enable zsh <tab> completion for grunt, add the following line (minus the
+# leading #, which is the zsh comment character) to your ~/.zshrc file:
+#
+# eval "$(grunt --completion=zsh)"
+
+# Enable zsh autocompletion.
+function _grunt_completion() {
+ local completions
+ # The currently-being-completed word.
+ local cur="${words[@]}"
+ # The current grunt version, available tasks, options, etc.
+ local gruntinfo="$(grunt --version --verbose 2>/dev/null)"
+ # Options and tasks.
+ local opts="$(echo "$gruntinfo" | awk '/Available options: / {$1=$2=""; print $0}')"
+ local compls="$(echo "$gruntinfo" | awk '/Available tasks: / {$1=$2=""; print $0}')"
+ # Only add -- or - options if the user has started typing -
+ [[ "$cur" == -* ]] && compls="$compls $opts"
+ # Trim whitespace.
+ compls=$(echo "$compls" | sed -e 's/^ *//g' -e 's/ *$//g')
+ # Turn compls into an array to of completions.
+ completions=(${=compls})
+ # Tell complete what stuff to show.
+ compadd -- $completions
+}
+
+compdef _grunt_completion grunt