[plugin/chruby] Add "system" to completion list

Detect system Ruby in default PATH, and provide "system" completion if Ruby is found.

[plugin/chruby] Add "system" to completion list
36808ff6 · Franklin Yu · a7e30b26 · 36808ff6
Commit 36808ff6 authored Aug 03, 2016 by Franklin Yu
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chruby.plugin.zsh plugins/chruby/chruby.plugin.zsh +7 -1

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--- a/plugins/chruby/chruby.plugin.zsh
+++ b/plugins/chruby/chruby.plugin.zsh
@@ -95,5 +95,11 @@ function chruby_prompt_info() {
 }
 # complete on installed rubies
-_chruby() { compadd $(chruby | tr -d '* ') }
+_chruby() {
+    compadd $(chruby | tr -d '* ')
+    local default_path='/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin'
+    if PATH=${default_path} type ruby &> /dev/null; then
+        compadd system
+    fi
+}
 compdef _chruby chruby