Split addition related to more than one hunk

Author: cruessler

gix-blame/tests/blame.rs

@@ -457,9 +457,21 @@ fn process_change(
                         ));
                     }
 
-                    lines_blamed.push(BlameEntry::new(added.start..hunk.range_in_destination.end, suspect));
+                    lines_blamed.push(BlameEntry::with_offset(
+                        added.start..hunk.range_in_destination.end,
+                        suspect,
+                        hunk.offset(),
+                    ));
 
-                    (None, None)
+                    let new_change = if added.end > hunk.range_in_destination.end {
+                        let line_range = hunk.range_in_destination.end..added.end;
+
+                        Some(Change::Added(line_range, number_of_lines_deleted))
+                    } else {
+                        todo!();
+                    };
+
+                    (None, new_change)
                 }
                 (false, true) => {
                     *offset_in_destination += added.end - added.start;
@@ -1227,6 +1239,36 @@ fn process_change_works_added_hunk_7() {
     assert_eq!(offset_in_destination, Offset::Added(3));
 }
 
+#[test]
+fn process_change_works_added_hunk_8() {
+    let mut lines_blamed: Vec<BlameEntry> = vec![];
+    let mut new_hunks_to_blame: Vec<UnblamedHunk> = vec![];
+    let mut offset_in_destination: Offset = Offset::Added(1);
+    let suspect = ObjectId::null(gix_hash::Kind::Sha1);
+
+    let (hunk, change) = process_change(
+        &mut lines_blamed,
+        &mut new_hunks_to_blame,
+        &mut offset_in_destination,
+        suspect,
+        // range_in_destination: 25..26
+        Some(UnblamedHunk::new(23..24, Offset::Deleted(2))),
+        Some(Change::Added(25..27, 1)),
+    );
+
+    assert_eq!(hunk, None);
+    assert_eq!(change, Some(Change::Added(26..27, 1)));
+    assert_eq!(
+        lines_blamed,
+        vec![BlameEntry {
+            range: 23..24,
+            commit_id: suspect
+        }]
+    );
+    assert_eq!(new_hunks_to_blame, vec![]);
+    assert_eq!(offset_in_destination, Offset::Added(2));
+}
+
 #[test]
 fn process_change_works_no_overlap() {
     let mut lines_blamed: Vec<BlameEntry> = vec![];