Merge branch 'feature/init-name-resolution'

src/syncback/mod.rs

@@ -28,7 +28,7 @@ use crate::{
     Project,
 };
 
-pub use file_names::{extension_for_middleware, name_for_inst, slugify_name, validate_file_name};
+pub use file_names::{extension_for_middleware, name_for_inst, validate_file_name};
 pub use fs_snapshot::FsSnapshot;
 pub use hash::*;
 pub use property_filter::{filter_properties, filter_properties_preallocated};

src/syncback/snapshot.rs

@@ -32,6 +32,25 @@ pub struct SyncbackSnapshot<'sync> {
 }
 
 impl<'sync> SyncbackSnapshot<'sync> {
+    /// Computes the middleware and filesystem name for a child without
+    /// creating a full snapshot. Uses the same logic as `with_joined_path`.
+    pub fn child_middleware_and_name(
+        &self,
+        new_ref: Ref,
+        old_ref: Option<Ref>,
+    ) -> anyhow::Result<(Middleware, String)> {
+        let temp = Self {
+            data: self.data,
+            old: old_ref,
+            new: new_ref,
+            path: PathBuf::new(),
+            middleware: None,
+        };
+        let middleware = get_best_middleware(&temp, self.data.force_json);
+        let name = name_for_inst(middleware, temp.new_inst(), temp.old_inst())?;
+        Ok((middleware, name.into_owned()))
+    }
+
     /// Constructs a SyncbackSnapshot from the provided refs
     /// while inheriting this snapshot's path and data. This should be used for
     /// directories.
@@ -252,6 +271,7 @@ impl<'sync> SyncbackData<'sync> {
             old_tree,
             new_tree,
             project,
+            force_json: false,
         }
     }
 }