Move from an Object interface to a type

An Object should be about representing a libgit2 object rather than
showing which methods it should support.

Change any return of Object to *Object and provide methods to convert
between this and the particular type.

1 files changed, 1 insertions, 1 deletions

diff --git a/describe.go b/describe.go
index c6f9a79..d75dbcb 100644
--- a/describe.go
+++ b/describe.go
@@ -127,7 +127,7 @@ func (c *Commit) Describe(opts *DescribeOptions) (*DescribeResult, error) {
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()
 
-	ecode := C.git_describe_commit(&resultPtr, c.gitObject.ptr, cDescribeOpts)
+	ecode := C.git_describe_commit(&resultPtr, c.ptr, cDescribeOpts)
 	if ecode < 0 {
 		return nil, MakeGitError(ecode)
 	}