When using boot2docker through git bash, there is a nasty issue when trying to share a folder, due to how git bash parses the URIs. The issue is explained in [issue #12751](https://github.com/docker/docker/issues/12751) but needs more visibility in the docs. Signed-off-by: Matthieu Larcher <github@ringabell.org> Upstream-commit: 33be2c5d2ed15a2f9bb272ac9492ad36113ddb32 Component: engine