Callback used to iterate over each FETCH_HEAD entry
@see git_repository_fetchhead_foreach
@param ref_name The reference name
@param remote_url The remote URL
@param oid The reference target OID
@param is_merge Was the reference the result of a merge
@param payload Payload passed to git_repository_fetchhead_foreach
@return non-zero to terminate the iteration
Callback used to iterate over each FETCH_HEAD entry
@see git_repository_fetchhead_foreach
@param ref_name The reference name @param remote_url The remote URL @param oid The reference target OID @param is_merge Was the reference the result of a merge @param payload Payload passed to git_repository_fetchhead_foreach @return non-zero to terminate the iteration