Daniel Hahler 2c660c16ad Only alias git=hub if hub --version works. ...

`hub` is crashing for me on a old CentOS setup with
"undefined method `shelljoin'".

On first use of the `git` function it is now checked if
`hub --version` returns successfully.

2011-11-24 13:57:10 +01:00

..

_github

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github.plugin.zsh

Only alias git=hub if hub --version works.

2011-11-24 13:57:10 +01:00