From 3d1da888c6c64c7e477c46daec79b52ee53de7f4 Mon Sep 17 00:00:00 2001
From: crater2150 <crater@qwertyuiop.de>
Date: Mon, 24 Feb 2020 09:19:10 +0000
Subject: [PATCH] Make exists() available in zshenv

---
 env/50_ruby.zsh | 6 ++++--
 zshenv          | 1 +
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/env/50_ruby.zsh b/env/50_ruby.zsh
index 4537e4a..8d73fad 100644
--- a/env/50_ruby.zsh
+++ b/env/50_ruby.zsh
@@ -1,2 +1,4 @@
-RUBY_VERSION=${$(gem environment gemdir):t}
-export PATH="$PATH:$HOME/.gem/ruby/$RUBY_VERSION/bin"
+if exists gem; then
+	RUBY_VERSION=${$(gem environment gemdir):t}
+	export PATH="$PATH:$HOME/.gem/ruby/$RUBY_VERSION/bin"
+fi
diff --git a/zshenv b/zshenv
index 7a689cd..fa0433f 100755
--- a/zshenv
+++ b/zshenv
@@ -1,5 +1,6 @@
 export ZDOTDIR="${$(readlink $HOME/.zshenv):h:a}"
 
+exists() { command -v "$@" >/dev/null }
 for i in $ZDOTDIR/env/*.zsh; do
 	. $i
 done