Take offset into account

gix-blame/tests/blame.rs

@@ -208,7 +208,10 @@ fn process_changes(
                         (new_hunk, changes_iter.next().cloned())
                     }
                     (_, _) => {
-                        new_hunks_to_blame.push(hunk);
+                        new_hunks_to_blame.push(UnblamedHunk::new(
+                            hunk.range_in_blamed_file.clone(),
+                            hunk.offset() + offset_in_destination,
+                        ));
 
                         let new_hunk = hunks_iter.next().cloned();
 
@@ -861,6 +864,62 @@ fn process_changes_works_added_hunk_8() {
     assert_eq!(new_hunks_to_blame, vec![UnblamedHunk::new(2..3, 2)]);
 }
 
+#[test]
+fn process_changes_works_added_hunk_9() {
+    let suspect = ObjectId::null(gix_hash::Kind::Sha1);
+    let mut lines_blamed: Vec<BlameEntry> = vec![BlameEntry {
+        range: 30..31,
+        commit_id: suspect,
+    }];
+    let hunks_to_blame: Vec<UnblamedHunk> = vec![
+        UnblamedHunk {
+            range_in_blamed_file: 0..30,
+            range_in_destination: 0..30,
+        },
+        UnblamedHunk {
+            range_in_blamed_file: 31..37,
+            range_in_destination: 31..37,
+        },
+    ];
+    let changes: Vec<Change> = vec![
+        Change::Unchanged(0..16),
+        Change::Added(16..17, 0),
+        Change::Unchanged(17..37),
+    ];
+    let new_hunks_to_blame = process_changes(&mut lines_blamed, hunks_to_blame, changes, suspect);
+
+    assert_eq!(
+        lines_blamed,
+        vec![
+            BlameEntry {
+                range: 16..17,
+                commit_id: suspect
+            },
+            BlameEntry {
+                range: 30..31,
+                commit_id: suspect
+            }
+        ]
+    );
+    assert_eq!(
+        new_hunks_to_blame,
+        vec![
+            UnblamedHunk {
+                range_in_blamed_file: 0..16,
+                range_in_destination: 0..16
+            },
+            UnblamedHunk {
+                range_in_blamed_file: 17..30,
+                range_in_destination: 16..29
+            },
+            UnblamedHunk {
+                range_in_blamed_file: 31..37,
+                range_in_destination: 30..36
+            }
+        ]
+    );
+}
+
 fn odb_at(worktree_path: &Path, name: &str) -> gix_odb::Handle {
     gix_odb::at(worktree_path.join(name).join(".git/objects")).unwrap()
 }