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Re: regarding fix on "git clone $there $here"

On Tue, May 08, 2018 at 10:25:58PM -0700, Leslie Wang wrote:

> Recently we try to upgrade ubuntu from 17.10 to 18.04, then we found
> one inconsistent behavior on git clone.
> At 2.14.1 or 2.15.1, if I run command like 
>  - mkdir /tmp/111
>  - git clone git@xxxxxxxxxx:111/111 /tmp/111
> because it will failure, then /tmp/111 will be removed automatically.
> However, at latest 2.17.0 which is part of ubuntu 18.04, seems like
> git clone failure will not auto remove this folder. I notice 2.16.2
> and 2.17.0 release note includes this fix. So just wonder to know if
> prior behavior was think of bug, and this fix has change the behavior. 
>  * "git clone $there $here" is allowed even when here directory exists
>    as long as it is an empty directory, but the command incorrectly
>    removed it upon a failure of the operation.

Right, the old behavior was considered a bug. Git didn't create the
directory, so when rolling back its changes on failure, it shouldn't
delete it either.