I followed Eelco's suggestion of running nix-store --optimise.
Output:
`/nix/store/.links/09d75zzfhid0v9azq4qpprhfpfyjb27b89qnarqwz6bqgjxl7pq6'
has maximum number of links
172.20 MiB freed by hard-linking 34905 files; there are 351670 files with
equal contents out of 365448 files in total
Raahul Kumar raahul.ku...@gmail.com writes:
Thanks Kirill,
I'll go email the BTRFS devs, see if they have a fix for this hardlink
issue. Anyone else got a workaround for the dedup issue with Btrfs and
nixos?
I think you misunderstood the output.
There are X files with equal contents out of
On 04/14/2014 09:51 AM, Mathijs Kwik wrote:
But it's still whole-file based. btrfs is internally able to support
block-level deduplication, which is very cool for making copies of
things like database copies and virtualization images. Of course these
cases are already served by snapshot volumes,
Hi. Nix language has a built-in function builtins.listToAttrs which
converts list to the Attrs. I'm searching a way to make an opposite
thing - convert attrs to a list. Say, I'd like to convert
users = {
root = { name = root; group = groups.root; };
ssh = { name = ssh ;
attrValues (mapAttrs (name: vals: merge or check that name is same as name key)
) attrs
Marc Weber
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Hi Corey
GHC 7.8.x installs a copy of xhtml, but it doesn't make that library
visible to users.
This choice causes us serious trouble that we cannot easily resolve: we
can't install your own copy of xhtml, because it collides with GHC's
copy (as you have found out). Yet, we cannot access GHC's
Hi Ben,
Fetching source over the network is the main reason fixed output
derivations even exist. When chroot builds are enabled, networking is not
allowed for non-fixed output derivations.
Interesting, I did not know this.
I agree that this policy makes sense for stuff that gets
Hi Raahul,
a NixOS configuration cannot contain more than one kernel. However, you
can have more than one bootable NixOS configuration installed on the
same machine. Check out the profile stuff in the nixos-rebuild man
page. There might be additional resources on this subject in the Wiki,
but I'm
Hi Ludo’,
On Mon, Apr 14, 2014 at 03:38:01PM +0200, Ludovic Courtès wrote:
The patch below allows files such as /nix/store/foo to be protected from
GC if a root refers to them. This makes it easy for a build hook to use
such files for its temporary working files.
WDYT?
It seems a bit
(Oops, forgot the Subject line; sorry!)
Shea Levy s...@shealevy.com skribis:
On Mon, Apr 14, 2014 at 03:38:01PM +0200, Ludovic Courtès wrote:
The patch below allows files such as /nix/store/foo to be protected from
GC if a root refers to them. This makes it easy for a build hook to use
such
l...@gnu.org (Ludovic Courtès) skribis:
Shea Levy s...@shealevy.com skribis:
On Mon, Apr 14, 2014 at 03:38:01PM +0200, Ludovic Courtès wrote:
The patch below allows files such as /nix/store/foo to be protected from
GC if a root refers to them. This makes it easy for a build hook to use
Hi folks,
In my on-going quest to package up my node applications, I've run into a
noob-trap that has me completely stumped.
The app is a web app, so it has both client- and server-side code. One of
the dependencies is Yahoo's Pure CSS library. PureCSS, in turn relies on
Grunt for its build
Peter Simons wrote:
Fetching source over the network is the main reason fixed output
derivations even exist. When chroot builds are enabled, networking is
not allowed for non-fixed output derivations.
Interesting, I did not know this.
I agree that this policy makes sense for
Hi Shea
thanks for taking the time to explain this to me. I see now that what I
wanted is not possible in a clean way.
I think what confused me was that Nix does not enforce purity of builds by
default. Out of the box, i.e. without chroot builds, getting sources for
instance via darcs or
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