Sets or changes the default branch name for the specified repository.
If you use this operation to change the default branch name to the current default branch name, a success message is returned even though the default branch did not change.
post/#X-Amz-Target=CodeCommit_20150413.UpdateDefaultBranch
Headers
X-Amz-Target'CodeCommit_20150413.UpdateDefaultBranch' required
Request body
Response
Success