do_sudo: new sudo alias to handle alias expansion

plugins/do_sudo/README.md

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+# `do_sudo` plugin
+
+This plugin provides a sudo wrapper that handles alias expansion and avoids
+being broken by `nocorrect` `noglob` from other aliases.
+
+Modified from the script by [Wayne Davison](https://www.zsh.org/mla/users/2008/msg01229.html).

plugins/do_sudo/do_sudo.plugin.zsh

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+if [[ "$ENABLE_CORRECTION" == "true" ]]; then
+    alias sudo='nocorrect noglob _do_sudo '
+else
+    alias sudo='noglob _do_sudo '
+fi
+
+function _do_sudo() {
+    integer glob=1
+    local -a run
+    run=( command sudo )
+    while (($#)); do
+        case "$1" in
+        command|exec|-) shift; break ;;
+        nocorrect) shift ;;
+        noglob) glob=0; shift ;;
+        *) break ;;
+        esac
+    done
+    if ((glob)); then
+        PATH="/sbin:/usr/sbin:/usr/local/sbin:$PATH" $run $~==*
+    else
+        PATH="/sbin:/usr/sbin:/usr/local/sbin:$PATH" $run $==*
+    fi
+}
+
+command -v _sudo >/dev/null 2>&1
+[[ $? -eq 0 ]] && compdef _sudo '_do_sudo'