[Nix-dev] Re: Trying to fix bzr-tools-1.5 package...

[Michael Raskin]

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Bárður Árantsson wrote:
|> I do not use nix-env much, most of the time I install packages via
|> extraPackages in configuration.nix (I use NixOS).
|
| I know that this may be a bit premature given the current NixOS version
| numbers, but is that typical?

I'd say that that way should work anyway, because it is the way to
install an obviously needed, always updated system-wide package. I use
that way for easier full updates (and for having a comfortable list of
installed packages as a side-effect).

| Isn't one 'supposed' to use nix-env to install things? (... so that Nix
| handles all the symlinking magic for you).

Well, the mechanism only differs in that by default Nix symlinks lib/ to
local profile, but not to /var/run/current-system. nix-env does not
create symlinks in ~ outside ~/.nix-profile

|  > Putting files in share/ means they will appear in
| /var/run/current-system/sw/share, so I can make symlink pointing at
| /var/run/current-system/sw/share/bzrtools and put it in ~/.bazaar/plugins
|
| I don't see how putting them in lib/python2.5/site-packages/bzrlib
| prevents symlinking from ~/.bazaar/plugins...?

lib/ is not symlinked into /var/run/current-system

| Instead you'd just symlink from ~/.bazaar/plugins to
| .nix-profile/lib/python2.5/site-packages/bzrlib. (Or alternatively
| /var/run/current-system/sw/lib/python2.5/... if you've installer
| bzrtools in the system profile.)

| Sure you'd have to use nix-env -i, but as far as I understand the manual
| that's what users are supposed to do when they want to use a package.

Well, I consider my installations system-wide, and extraPackages is for
that.
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