Replace env!("HOME") with env::var("HOME")

Replaced all (non-test) instances of env!("HOME") with env::var("HOME").
The env! macro should only be used in instances where the environment
variable should be resolved during compile time.

1 files changed, 8 insertions, 1 deletions

diff --git a/src/poem/anthology/cd.rs b/src/poem/anthology/cd.rs
index 3b48f60..d3a1998 100644
--- a/src/poem/anthology/cd.rs
+++ b/src/poem/anthology/cd.rs
@@ -1,9 +1,16 @@
 use crate::poem::Verse;
+use std::env;
 
 pub fn incant(verse: &Verse) -> i32 {
     let path = match verse.clause() {
         Some(path) => path[0].to_string(),
-        None => env!("HOME").to_string(),
+        None => match env::var("HOME") {
+            Ok(val) => val,
+            Err(_) => {
+                eprintln!("cd: unknown home, staying in pwd");
+                return 1;
+            }
+        },
     };
 
     match std::env::set_current_dir(&path) {