pull: use the most recent pocket first on 'find'

src/package_info.rs

@@ -143,6 +143,14 @@ pub struct PackageInfo {
     pub archive_url: String,
 }
 
+fn get_dist_pockets(dist: &str) -> Vec<&'static str> {
+    match dist {
+        "ubuntu" => vec!["proposed", "updates", ""],
+        "debian" => vec!["proposed-updates", "updates", ""],
+        _ => vec![""],
+    }
+}
+
 fn get_sources_url(base_url: &str, series: &str, pocket: &str, component: &str) -> String {
     let pocket_full = if pocket.is_empty() {
         String::new()
@@ -362,15 +370,25 @@ pub async fn find_package(
             cb("", &format!("Checking {}...", series), i, series_list.len());
         }
 
-        match get(package_name, series, pocket, version).await {
+        let pockets = if pocket.is_empty() {
+            get_dist_pockets(dist)
+        } else {
+            vec![pocket]
+        };
+
+        for p in pockets {
+            match get(package_name, series, p, version).await {
                 Ok(info) => {
                     if i > 0 {
                         warn!(
-                        "Package '{}' not found in development release. Found in {}/{}.",
+                            "Package '{}' not found in development release. Found in {}/{}-{}.",
-                        package_name, dist, series
+                            package_name, dist, series, p
                         );
                     } else {
-                    debug!("Found package '{}' in {}/{}", package_name, dist, series);
+                        debug!(
+                            "Found package '{}' in {}/{}-{}",
+                            package_name, dist, series, p
+                        );
                     }
                     return Ok(info);
                 }
@@ -379,6 +397,7 @@ pub async fn find_package(
                 }
             }
         }
+    }
 
     Err(format!("Package '{}' not found.", package_name).into())
 }