fix(aura): print -Bl and -Cl output in alphabetical order

Fixes #893

CHANGELOG.md

@@ -13,6 +13,7 @@
 - `check`: confirm that `dot` is on the system. If missing, it belongs to the `graphviz` package.
 - `--noconfirm` now affects all prompts.
 - `-Sw` no longer requires arguments. This reenables `-Syuw`.
+- `-Bl` and `-Cl` now print paths in alphabetical order.
 
 ## 4.0.1
 

rust/aura-pm/src/command/cache.rs

@@ -169,11 +169,22 @@ pub(crate) fn invalid(
 
 /// Print the contents of the package caches.
 pub(crate) fn list(caches: &[&Path]) -> Result<(), Error> {
-    for path in caches {
-        path.read_dir()
-            .map_err(|_| Error::ReadDir(path.to_path_buf()))?
-            .filter_map(|de| de.ok())
-            .for_each(|de| println!("{}", de.path().display()));
+    let rds = caches
+        .iter()
+        .map(|path| {
+            path.read_dir()
+                .map_err(|_| Error::ReadDir(path.to_path_buf()))
+        })
+        .collect::<Result<Vec<_>, Error>>()?;
+
+    let mut paths: Vec<_> = rds
+        .into_iter()
+        .flat_map(|rd| rd.filter_map(|de| de.ok()).map(|de| de.path()))
+        .collect();
+    paths.sort();
+
+    for path in paths {
+        println!("{}", path.display());
     }
 
     Ok(())

rust/aura-pm/src/command/snapshot.rs

@@ -112,7 +112,12 @@ pub(crate) fn clean(fll: &FluentLanguageLoader, env: &Env) -> Result<(), Error>
 
 /// Show all saved package snapshot filenames.
 pub(crate) fn list(snapshots: &Path) -> Result<(), Error> {
-    for (path, _) in aura_core::snapshot::snapshots_with_paths(snapshots) {
+    let mut paths: Vec<_> = aura_core::snapshot::snapshots_with_paths(snapshots)
+        .map(|(path, _)| path)
+        .collect();
+    paths.sort();
+
+    for path in paths {
         println!("{}", path.display());
     }