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, 12 insertions, 2 deletions

diff --git a/src/compose.rs b/src/compose.rs
index 3d2a2db..c90f470 100644
--- a/src/compose.rs
+++ b/src/compose.rs
@@ -1,6 +1,7 @@
 use crate::poem::{read::Readable, recite::Reciteable, Poem};
 pub mod environment;
 pub use environment::Environment;
+use std::env;
 use std::fs;
 use std::path::PathBuf;
 
@@ -18,8 +19,17 @@ pub fn env() -> Environment {
     };
 
     // User defined rc file in ~
-    let mut local_rc = PathBuf::from(env!("HOME"));
-    local_rc.push(".dwvshrc");
+    let local_rc = match env::var("HOME") {
+        Ok(val) => {
+            let mut rc = PathBuf::from(val);
+            rc.push(".dwvshrc");
+            rc
+        }
+        Err(_) => {
+            eprintln!("dwvsh: unknown home, falling back to /etc");
+            PathBuf::from(&global_rc)
+        }
+    };
 
     // Read, read, and recite
     rrr(global_rc, &mut env);