conflicts: Have materialize_merge_result take the object instead of a…

… reference

We are about to do some pre-processing of that value, and we
will do more in the near future.

cli/src/merge_tools/external.rs

@@ -131,7 +131,7 @@ pub fn run_mergetool_external(
 ) -> Result<MergedTreeId, ConflictResolveError> {
     let initial_output_content: Vec<u8> = if editor.merge_tool_edits_conflict_markers {
         let mut materialized_conflict = vec![];
-        materialize_merge_result(&content, &mut materialized_conflict)
+        materialize_merge_result(content.clone(), &mut materialized_conflict)
             .expect("Writing to an in-memory buffer should never fail");
         materialized_conflict
     } else {

lib/src/conflicts.rs

@@ -191,7 +191,7 @@ async fn materialize_tree_value_no_access_denied(
             if let Some(file_merge) = conflict.to_file_merge() {
                 let file_merge = file_merge.simplify();
                 let content = extract_as_single_hunk(&file_merge, store, path).await?;
-                materialize_merge_result(&content, &mut contents)
+                materialize_merge_result(content, &mut contents)
                     .expect("Failed to materialize conflict to in-memory buffer");
             } else {
                 // Unless all terms are regular files, we can't do much better than to try to
@@ -215,7 +215,7 @@ async fn materialize_tree_value_no_access_denied(
 }
 
 pub fn materialize_merge_result(
-    single_hunk: &Merge<ContentHunk>,
+    single_hunk: Merge<ContentHunk>,
     output: &mut dyn Write,
 ) -> std::io::Result<()> {
     let slices = single_hunk.map(|content| content.0.as_slice());
@@ -461,7 +461,7 @@ pub async fn update_from_content(
     // copy.
     let mut old_content = Vec::with_capacity(content.len());
     let merge_hunk = extract_as_single_hunk(simplified_file_ids, store, path).await?;
-    materialize_merge_result(&merge_hunk, &mut old_content).unwrap();
+    materialize_merge_result(merge_hunk, &mut old_content).unwrap();
     if content == old_content {
         return Ok(file_ids.clone());
     }

lib/tests/test_conflicts.rs

@@ -1024,6 +1024,6 @@ fn materialize_conflict_string(
     let contents = extract_as_single_hunk(conflict, store, path)
         .block_on()
         .unwrap();
-    materialize_merge_result(&contents, &mut result).unwrap();
+    materialize_merge_result(contents, &mut result).unwrap();
     String::from_utf8(result).unwrap()
 }