Sort output of 'export' and 'alias'

Sort the output of the built-in 'export' and 'alias' commands, in cases
where all environment variables/aliases are printed out.

1 files changed, 3 insertions, 1 deletions

diff --git a/src/poem/anthology/alias.rs b/src/poem/anthology/alias.rs
index 248342e..511bd3a 100644
--- a/src/poem/anthology/alias.rs
+++ b/src/poem/anthology/alias.rs
@@ -1,4 +1,5 @@
 use crate::poem::Verse;
+use std::collections::BTreeMap;
 use std::collections::HashMap;
 
 /// alias
@@ -23,7 +24,8 @@ pub fn incant(verse: &Verse, out: &mut Vec<u8>, aliases: &mut HashMap<String, St
         }
         None => {
             let mut lines = Vec::new();
-            for (key, val) in aliases {
+            let sorted: BTreeMap<_, _> = aliases.into_iter().collect();
+            for (key, val) in sorted {
                 let line = if key.contains(' ') && val.contains(' ') {
                     format!("'{}'='{}'", key, val)
                 } else if key.contains(' ') {