[Nix-dev] Nix 1.4 released

[Vladimír Čunát]

On 02/27/2013 12:00 PM, Eelco Dolstra wrote:
> On 26/02/13 21:25, Vladimír Čunát wrote:
>
>> On 02/26/2013 02:46 PM, Eelco Dolstra wrote:
>>>     * Language change: The expression "${./path} ..." now evaluates to a string
>>>       instead of a path.
>>
>> That means the such a file isn't copied into the store, and is included as a
>> plain "./path" string, etc. Right?
>
> It *is* copied, so an expression "${./file.sh} foo" will evaluate to
> "/nix/store/...-file.sh foo".  Previously it would try to copy "./file.sh foo",
> which presumably doesn't exist.

Ah :-) thanks for explaining.

>> BTW, I believe the hardlink concept is one of worst original UNIX features. COW copy would make sense, but hardlinks are usually more trouble than worth.
>
> Well, the main problem is that you can make hard links to files you don't own.
> We should enable the kernel's hard link restrictions feature in NixOS...

I certainly won't mind it. The option seems to be in-tree since around 3.6.


Vlada


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