dotcloud/docker — pull request #3270 by vreon (2013-12-18 22:59:36+00:00)
Title: Use box-drawing characters in `docker images -tree`

This makes the output of `docker images -tree` look a little prettier.
Previously it displayed a combination of box-drawing characters and pipe
characters, so the lines didn't quite connect...

Before:

└─aceb1e132fe5 Size: 487 MB (virtual 1.728 GB)
|─c5480c55e00a Size: 44.89 MB (virtual 1.773 GB)
| └─96c21b5e3c80 Size: 17.25 kB (virtual 1.773 GB)
| └─58f3f2293512 Size: 8.191 MB (virtual 1.782 GB)

After:

└─aceb1e132fe5 Size: 487 MB (virtual 1.728 GB)
├─c5480c55e00a Size: 44.89 MB (virtual 1.773 GB)
│ └─96c21b5e3c80 Size: 17.25 kB (virtual 1.773 GB)
│ └─58f3f2293512 Size: 8.191 MB (virtual 1.782 GB)

Uh... I promise it looks better in a console. :)