Revert "Use list_static_delta_names for delta listing"

Author: barthalion

Cargo.lock

@@ -12,3 +12,4 @@ serde = "1.0"
 serde_derive = "1.0"
 serde_json = "1.0"
 thiserror = "2"
+walkdir = "2"

common/Cargo.toml

@@ -6,6 +6,7 @@ use std::os::fd::AsRawFd;
 use std::path::{self, Path};
 use std::{fs, io};
 use thiserror::Error;
+use walkdir::WalkDir;
 
 #[derive(Error, Debug, Clone, Eq, PartialEq)]
 pub enum OstreeError {
@@ -328,18 +329,27 @@ impl std::fmt::Display for Delta {
 }
 
 pub fn list_deltas(repo_path: &path::Path) -> Vec<Delta> {
-    let repo = match open_repo(repo_path) {
-        Ok(repo) => repo,
-        Err(_e) => return Vec::new(),
-    };
-    let names = match repo.list_static_delta_names(gio::Cancellable::NONE) {
-        Ok(names) => names,
-        Err(_e) => return Vec::new(),
-    };
+    let deltas_dir = get_deltas_path(repo_path);
 
-    names
-        .iter()
-        .filter_map(|name| Delta::from_name(name.as_str()).ok())
+    WalkDir::new(deltas_dir)
+        .min_depth(2)
+        .max_depth(2)
+        .into_iter()
+        .filter_map(|e| e.ok())
+        .filter(|e| e.file_type().is_dir())
+        .map(|e| {
+            format!(
+                "{}{}",
+                e.path()
+                    .parent()
+                    .unwrap()
+                    .file_name()
+                    .unwrap()
+                    .to_string_lossy(),
+                e.file_name().to_string_lossy()
+            )
+        })
+        .filter_map(|name| Delta::from_name(&name).ok())
         .collect()
 }