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Re: [2.64] Test "Hard fail" fails on Darwin
From: |
Ludovic Courtès |
Subject: |
Re: [2.64] Test "Hard fail" fails on Darwin |
Date: |
Wed, 29 Jul 2009 21:45:38 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1.50 (gnu/linux) |
Hi Ralf,
Ralf Wildenhues <address@hidden> writes:
> * Ludovic Courtès wrote on Wed, Jul 29, 2009 at 10:15:44AM CEST:
[...]
>> PATH:
>> /private/tmp/nix-build-dnnfpb1bi3bwf696k09s44l2p9s0ppgw-autoconf-2.64.drv-0/autoconf-2.64/tests
>> PATH: /nix/store/xra8dla43v4y3icyz81p9jdcmphnwjny-gnum4-1.4.13/bin
> [...]
>
> Ahh, I've read about this concept but haven't seen it in action yet.
> Do the long directory names slow down the system much in practice?
Not in an observable way, AFAICT. I don't think anyone tried to measure
this, though.
Note that in "normal use" $PATH et al. aren't longer than with a
conventional file system layout: users typically have only
`$HOME/.nix-profile/bin' (which contains symlinks to files under
/nix/store) and a couple of other entries in $PATH.
> This is a trivial failure due to a test that is not restrictive enough.
> The grep tries to find out if any of the tests in the micro testsuite
> succeeded bogusly; however, it is too lax and also matches the line that
> lists your host name. I'm applying the patch below to make the test
> more restrictive.
Thanks for finding it out! I've applied it downstream as well.
Cheers,
Ludo'.