wp-cli/wp-cli.github.com — pull request #13 by scribu (2013-05-18 11:24:43+00:00)
Title: installer: add VERSION variable

Syntax:

```
VERSION=0.9.x curl http://wp-cli.org/installer.sh | bash
```

The only problem is updating to a newer version:

`composer update` will update to 0.9.2, but not to 0.10. Users would have to manually edit `~/.composer/composer.json`.