1 files changed, 13 insertions, 6 deletions
diff --git a/import/src/lib.rs b/import/src/lib.rs
index 3b74029..4776bd2 100644
--- a/import/src/lib.rs
+++ b/import/src/lib.rs
@@ -28,8 +28,10 @@ use log::{debug, info, warn};
 use regex::Regex;
 use std::{
     cmp::Ordering,
+    collections::HashSet,
     ffi::OsStr,
     fs::File,
+    hash::RandomState,
     io::BufReader,
     ops::Deref,
     path::{Path, PathBuf},
@@ -456,12 +458,7 @@ fn merge_node(x: Node, y: Node) -> Node {
             title: x.public.title.or(y.public.title),
             id: x.public.id.or(y.public.id),
             path: vec![],
-            children: x
-                .public
-                .children
-                .into_iter()
-                .chain(y.public.children)
-                .collect(),
+            children: merge_children(x.public.children, y.public.children),
             tagline: x.public.tagline.or(y.public.tagline),
             description: x.public.description.or(y.public.description),
             release_date: x.public.release_date.or(y.public.release_date),
@@ -484,6 +481,16 @@ fn merge_node(x: Node, y: Node) -> Node {
     }
 }
 
+fn merge_children(mut a: Vec<String>, b: Vec<String>) -> Vec<String> {
+    let acont = HashSet::<_, RandomState>::from_iter(a.clone());
+    for el in b {
+        if !acont.contains(&el) {
+            a.push(el)
+        }
+    }
+    a
+}
+
 static SEM_REMOTE_IMPORT: Semaphore = Semaphore::const_new(16);
 
 #[async_recursion]