`docker` refuses to compile without knowing which git commit it is being compiled from:

```
error: .git directory missing and DOCKER_GITCOMMIT not specified
  Please either build with the .git directory accessible, or specify the
  exact (--short) commit hash you are building using DOCKER_GITCOMMIT for
  future accountability in diagnosing build issues.  Thanks!
```
This information is readily available on upstream releases page on Github
https://github.com/dotcloud/docker/releases/
AND, the maintainer will probably have to visit this page to get the tarball link anyway :smiley_cat: 

Alternatively, we can get `docker ` by `git clone`'ing int