vi@vi-notebook:~/_/gittest$ tar -czf /tmp/gittest.tar.gz .git
vi@vi-notebook:~/_/gittest$ git reset --hard
HEAD is now at 70cd7a6 fix assoc/auth event parsing
vi@vi-notebook:~/_/gittest$ git filter-branch --split-submodule headers
Rewrite a16340b152a6d3df3a3204adcbfb8d4c7670afa6 (1/261)cat: /home/vi/_/gittest/.git-rewrite/t/../map/: Is a directory
Rewrite cf98a6eae1681faa32d0da9fbabfc99707181a61 (6/261)fatal: 90272c0d8b3efd04a5e0666da6d8b8db1be16253 is not a valid 'commit' object
vi@vi-notebook:~/_/gittest$