From e7d8a9f7d234cb2b8a6691c5a2e33f2b18776a3d Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Mon, 17 Jan 2022 00:05:00 -0500
Subject: simplify environment handling

this temporarily breaks cd history, will fix this soon
---
 src/parse/ast.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/parse/ast.rs')

diff --git a/src/parse/ast.rs b/src/parse/ast.rs
index 88ae734..bac40c8 100644
--- a/src/parse/ast.rs
+++ b/src/parse/ast.rs
@@ -330,7 +330,9 @@ impl WordPart {
     fn eval(self, env: &Env) -> String {
         match self {
             Self::Alternation(_) => unreachable!(),
-            Self::Var(name) => env.var(&name),
+            Self::Var(name) => {
+                env.var(&name).unwrap_or_else(|| "".to_string())
+            }
             Self::Bareword(s)
             | Self::DoubleQuoted(s)
             | Self::SingleQuoted(s) => s,
-- 
cgit v1.2.3-54-g00ecf