tree 39818e56e181f9ad49e2e1a6be7fbd35dbe78f9f
parent 0aae64ce74d306f13bc6380beaf536dffd995c11
author Shawn Pearce <spearce@spearce.org> 1500306023 -0700
committer Shawn Pearce <spearce@spearce.org> 1503007611 -0700

reftable: reserve standard PackExt

Reserve "ref" extension for reftable files.  This allows them to be
used in a DFS repository as a stream in a DfsPackDescription.

Change-Id: Ife781bb64d0bb063333183ad2be70a41a2482513