Succinctify

Author: ben

en/book/10-git-in-other-environments/chapter10.asc

@@ -290,9 +290,7 @@ Again, here's how to read HEAD's commit message:
 -----
 GTRepository *repo =
     [[GTRepository alloc] initWithURL:[NSURL fileURLWithPath: @"/path/to/repo"] error:NULL];
-GTReference *head = [repo headReferenceWithError:NULL];
-GTCommit *tip = head.resolvedTarget;
-NSString *message = tip.message;
+NSString *msg = [[[repo headReferenceWithError:NULL] resolvedTarget] message];
 -----
 
 ===== rugged
@@ -303,9 +301,7 @@ Once again, HEAD's commit message:
 [source,ruby]
 ----
 repo = Rugged::Repository.new('path/to/my/repository')
-head = repo.head
-tip = repo.lookup head.resolve.target
-msg = tip.message
+msg = repo.lookup(repo.head.resolve.target).message
 ----