Add ability to back up as tag

This creates the functionality required to create a tag instead of
a branch, which also allows us to store audit information, such as
who triggered the deletion or the push.

Change-Id: I31fd05675a33a6eba20dd7cf6a3703fbfd981ead
1 file changed
tree: 5d05938aeb7a3c60e6979b89300333119f648cdd
  1. src/
  2. .gitignore
  3. BUCK