diff --git a/include/utilities.h b/include/utilities.h
index 27ef475..44e9ca6 100644
--- a/include/utilities.h
+++ b/include/utilities.h
@@ -38,6 +38,11 @@ typedef struct {
 typedef List StringBuffer;
 typedef List FileInfoBuffer;
 
+typedef struct {
+    uint32_t insertions;
+    uint32_t deletions;
+} Changes;
+
 List* list_new(size_t);
 int list_push(List*, void*);
 int list_remove(List*, const void*, int (*compare)(const void*, const void*));
@@ -64,9 +69,9 @@ PathType get_path_type(const char*);
 char* get_file_content(char*);
 char* get_file_content_with_size(char*, size_t*);
 int create_default_config_file(char*);
-int save_diff(ActionList*, char*, char*, size_t, char*, File*, int, char*);
+int save_diff(ActionList*, char*, char*, size_t, char*, File*, int);
 int read_diff(char*, char*, size_t, char*, ActionList*);
-int save_file_diff(char*, char*, size_t, char*, char*);
+int save_file_diff(char*, char*, size_t, char*, Changes*);
 File* apply_diff(File*, ActionList*);
 void sort_action_list(ActionList*);
 
diff --git a/src/utilities.c b/src/utilities.c
index 67c43e0..b65c54e 100644
--- a/src/utilities.c
+++ b/src/utilities.c
@@ -591,7 +591,7 @@ int create_default_config_file(char* config_path) {
     return 0;
 }
 
-int save_diff(ActionList* diff, char* path, char* root, size_t diff_id, char* basefile_hash, File* modified_file, int tree, char* hash) {
+int save_diff(ActionList* diff, char* path, char* root, size_t diff_id, char* basefile_hash, File* modified_file, int tree) {
     size_t buffer_size = 41;
 
     buffer_size += 1 + snprintf(NULL, 0, "%d", diff->len);
@@ -645,6 +645,7 @@ int save_diff(ActionList* diff, char* path, char* root, size_t diff_id, char* ba
 
     char id[2+snprintf(NULL, 0, "%d", diff_id)+strlen(path)];
     snprintf(id, sizeof(id), "%s %d", path, diff_id);
+    char hash[41];
     if (tree) object_hash(TreeDiffObject, id, hash);
     else object_hash(FileDiffObject, id, hash);
 
@@ -664,9 +665,6 @@ int save_diff(ActionList* diff, char* path, char* root, size_t diff_id, char* ba
         return 0;
     }
 
-    // Check if the file already exists
-    
-
     // Ensure the directory structure exists
     if (mkdir_recursive(dir_path, 0755) < 0 && errno != EEXIST) {
         perror("ERROR: failed to create directory structure in save_diff!");
@@ -1012,7 +1010,7 @@ int read_diff(char* path, char* root, size_t diff_id, char* basefile_hash, Actio
 }
 
 
-int save_file_diff(char* path, char* root, size_t diff_id, char* basefile_hash, char* hash) {
+int save_file_diff(char* path, char* root, size_t diff_id, char* basefile_hash, Changes* changes) {
     char basefile_location[2+strlen(root)+strlen("/.merk/objects/")+strlen(basefile_hash)];
     snprintf(basefile_location, sizeof(basefile_location), "%s/.merk/objects/%.2s/%s", root, basefile_hash, basefile_hash+2);
 
@@ -1078,12 +1076,21 @@ int save_file_diff(char* path, char* root, size_t diff_id, char* basefile_hash,
 
     ActionList* diff = myers_diff(basefile, modified_file, 0, 0);
     if (diff->len == 0) {
-        hash = NULL;
         free(basefile_content);
         return 1;
     }
 
-    save_diff(diff, path, root, diff_id, basefile_hash, modified_file, 0, hash);
+    
+    for (size_t idx = 0; idx < diff->len; idx++) {
+        Action action = diff->actions[idx];
+        if (action.type == INSERT) {
+            changes->insertions += 1;
+        } else if (action.type == DELETE) {
+            changes->deletions += 1;
+        }
+    }
+
+    save_diff(diff, path, root, diff_id, basefile_hash, modified_file, 0);
 
     free(basefile_content);
     return 1;