<cyounkins>
asymmetric: If they don't have tests it shouldn't matter.
<srhb>
asymmetric: I prefer to leave it on so that if a version bump brings in tests, they'll be automatically caught, but I know that eg. the python infrastructure tends to prefer it the other way around. I don't know the reasoning.
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<asymmetric>
srhb: i agree with your reasoning, and i'm also confused about the advantage of manually managing the flag
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<ottidmes>
Is it possible to change how Nix paths are looked up inside Nix code itself, or is the only way through NIX_PATH env variable?
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<clever>
ottidmes: you can use scopedImport to mess with __nixPath
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<ottidmes>
clever: oh, cool! thanks!
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<ottidmes>
clever++
<{^_^}>
clever's karma got increased to 65
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<clever>
ottidmes: scopedImport also lets you overwrite the import function, to make its effects recursive
<clever>
ottidmes: but note, scopedImport breaks the import cache, so the performance will suffer
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<ottidmes>
clever: yeah, I was assuming it would have some performance impact
<ottidmes>
clever: I was about to test that, I expected it not to be recursive, so unfortunately both those 2 assumptions were right :P
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<ottidmes>
clever: but it would work though with something like: import file-that-alters-nix-path.nix; with those definitions before any import call?
<ottidmes>
clever: I am bringing my custom lib into scope for most modules anyway
<clever>
it will only impact the exact files loaded with scopedImport, and nothing else
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<clever>
and it cant leak backwards up the call stack
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<clever>
but, you can use it to overwrite the import function, to force the files you import, into using a wrapper, that calls scopedImport again
<clever>
there is an example of that in the nixops source
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<ottidmes>
clever: I had hoped this would have worked: with { __nixPath = [ { prefix = "foo"; path = "bar"; } ]; }; builtins.tryEval <foo>
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<clever>
> let __nixPath = [ { path = ./.; prefix = "bar"; } ]; in <bar>
<{^_^}>
access to path '/var/lib/nixbot/state/nixpkgs' is forbidden in restricted mode
<clever>
ottidmes: like so?
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<psy3497>
A question: I'm packaging a simple python script using 18.09stable as my nixpkgs revision, I'm getting a lot of "install tests" which take time and cpu. Is this a symptom of not having binary substitutions, i.e. cache misses?
<ottidmes>
clever: that does indeed work, but I would have to define it at every file
<psy3497>
Does one expects binary substitutions to not run any tests? Or perhaps tests are run regardless of binary substitutions?
<ottidmes>
instead of <nixcfg/shared/modules/foo.nix> I guess I will just have to go with (nixcfg shared/lib/modules/foo.nix), which is less nice than leveraging NIX_PATH, but hey, equal amount of characters :P
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<ottidmes>
clever: yeah so that gives me the path to <nixpkgs>, so not really useful for what my <nixcfg> refers too (the directory above my NixOS configuration)
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<{^_^}>
[nixpkgs] @peti pushed to haskell-updates « hackage-packages.nix: automatic Haskell package set update »: https://git.io/fpQ8s
<ottidmes>
for example, you cannot overwrite lib that way
<clever>
mkForce ?
<Dedalo>
I'm planning to install NixOS. I did a first test a few month ago and this week I'm going to receive a new laptop. I will use a lot of Docker containers and I read that NixOS and Docker don't work well together, because NixOS doesn't cache the layers, so container are slow to build and they take a lot of space. I read an article to solve this issue, but... I don't know. On the other end I'm evaluating Atomic, but
<Dedalo>
I read that a restart in necessary every time you install something using OSTree rpm-ostree. I would like to use NixOS, but I'm dealing with a lo of containers. What is your opinions guys?
<Dedalo>
*is necessary
<ottidmes>
that is not too big of a problem, just name it something else, but if I do that, you still have the problem that all imports will have to be used to determine config._module.args, and so you cannot have with mylib; anywhere above any imports
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<simpson>
Dedalo: Was the article gchristensen's explanation of Docker images with nixpkgs? Do not fear; that was explaining an optimization. Docker itself will work fine in NixOS.
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<ottidmes>
simpson: so Docker on NixOS is even better because of it, right? more reuse than normally would be the case?
<gchristensen>
oh dear, that was about using Nix to build containers :) Docker will work the same on nixos as any other system.
<simpson>
Yeah. When gchristensen says "Nix has been able to generate Docker images" what they mean specifically is that nixpkgs has tools for generating Docker-compatible images of Nix packages. Docker itself will work fine.
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<simpson>
Ack, lagsniped.
<Dedalo>
gchristensen that means it can reuse layers even without the optimization you are talking about in the article?
<Dedalo>
it's a small world I see...
<simpson>
ottidmes: I don't actually use the nixpkgs tools! I use `FROM nixos/nix` in Dockerfiles, which is the next-best thing.
<gchristensen>
Dedalo: the optimisation is only for when using Nix to build the Docker image
<gchristensen>
Nix can produce Docker images which are 100% efficient -- no file deduplication. really remarkable, compared to most I've seen :)
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<ldlework>
So can Docker now
<ldlework>
with multi-stage builds
<ottidmes>
simpson: its something I have t o look into at some point, right now I dont really need containers yet, I am just keeping a lookout of news regarding the tech
<gchristensen>
nice
<ldlework>
build a bunch of crap in one stage, grab just what you need from that stage, in a second stage - the image only contains the files in the last stage
<ldlework>
so build python wheels in one, suck them into the last stage, no python build deps in your image, etc
<Dedalo>
gchristensen so, in a normale scenario, NixOS works with Docker in the same way Ubuntu does? I mean, it is still sharing layers between containers FROM the same image?
<ldlework>
hi ottidmes
<ottidmes>
ldlework: hi
<gchristensen>
right
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<simpson>
Dedalo: Yes, if you run `docker` in your shell, or if you have Dockerfiles, then this doesn't matter. If you type `dockerTools` into your Nix expressions, then you get this optimization in newer nixpkgs.
<Dedalo>
simpson thank you
<Dedalo>
that's good to know guys
<ottidmes>
clever: regarding that paragraph, I was thinking it would be cool if it was somehow possible to set all that stuff, including the Nix paths before the actual configuration, so you have complete control while it is still part of your configuration and not some external state
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<ldlework>
ottidmes: are you referring to bootstrapping a nixos system?
<ottidmes>
ldlework: don't think so, no, more like a preConfigure phase for NixOS configuration
<cyounkins>
So I was able to boot my Pi 3 B with the AArch64 img linked from https://nixos.wiki/wiki/NixOS_on_ARM#Installation ... but only once! Now it gets to U-boot but after it says "loading kernel" or equivalent the screen goes blank and the green ACT LED cycles blinking twice. Any suggestions for debugging this? Raspbian boots fine.
<ottidmes>
ldlework: right now my NixOS configuration is dependent on NIX_PATH being set properly, so I cannot just point to my config and say install with the installer
<ottidmes>
ldlework: also I would love to be able to extend lib for my configuration without employing tricks like `with mylib.nix;` everywhere
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<psy3497>
A small question if anyone can share his knowledge.
<psy3497>
I'm merely packaging a single python script using mkDerivation and it works.
<psy3497>
However when running nix-build for the first time on a fresh machine, 15 or so
<psy3497>
minutes are spent crunching "install tests" of various python related packages.
<psy3497>
I'm using stable nixos 18.09 for nixpkgs. Am I suppose to expect cache hits
<psy3497>
and thus no tests? Or do tests run regardless of whether or not I got things
<psy3497>
from the cache?
<psy3497>
Thanks for the help!
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<cyounkins>
Tests are not run when things are pulled from the binary cache
<ldlework>
ottidmes: that sounds like trying to smoothen bootstrapping
<ldlework>
ottidmes: external details not inside my configuration.nix required to build my configuration.nix for the first time is a huge worry for me too
<ldlework>
ottidmes: have you heard of The Nix Challenge?
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<psy3497>
cyounkins: I see! I'm using fetchTarball to get the stable 18.09
<psy3497>
At first python's hypothesis was failing tests and I wondered why tests was running at all.
<psy3497>
After disabling hypothesis's tests I guess I stopped having cache hits, and then a lot of other tests started running.
<ottidmes>
ldlework: I have heard of it, but cannot remember the details
<ldlework>
ottidmes: you document yourself dd'ing your workstation, then installing NixOS and booting back into the same environment as before
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<ldlework>
technically works for any Nix-supported OS
<ottidmes>
ldlework: I have done that already by accident (not dd, but encryption and on a server), and it made me realize I have to automate my partitioning and whatnot, but other than that, its already pretty solid
<ldlework>
ottidmes: it's a lot more impressive for one's personal workstation :)
<ldlework>
but good to hear nonetheless
<ldlework>
pretty sure if AWS deleted my server, I could type three NixOps commands and get it back
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<ottidmes>
ldlework: yeah, in my case the server was more like a desktop
<ottidmes>
ldlework: its actually a desktop... I just use it as a server
<ekleog>
ldlework: the problem is restoring impure data from backups
<cyounkins>
psy3497: I'm not sure why your new package would be causing a mass rebuild. You'd have to pastebin what you're doing.
<ldlework>
ottidmes: with your actual workstation comes the real meat of the challenge
<ldlework>
because if you fucked up
<psy3497>
cyounkins: will do
<ldlework>
you're probably going to be not working for a day or two
<ldlework>
or at least a few hours :)
<ldlework>
ekleog: that seems relatively easy though
<ekleog>
can be a PITA when you need to do it from the live env (because some services depend on data being already there)
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<ldlework>
ekleog: I could see that
<ottidmes>
ldlework: I rather wait for that challenge when I get a new set of hardware ;)
<ldlework>
ottidmes: we still gotta make the website anyway :)
<ottidmes>
ldlework: its good marketing for NixOS though
<cyounkins>
psy3497: why are you using fetchTarball ? I haven't seen that before.
<psy3497>
cyounkins: as opposed to channels?
<psy3497>
I prefer that over channels as it keeps everything inside the nix expression itself. Without depending on something in the environment.
<cyounkins>
I'm a noob but I don't see how channels or fetchTarball are related to a derivation to build redmine.
<psy3497>
They are unrelated.
<psy3497>
And I bet the `fetchTarball` is unrelated to the cache misses, as long as the link is correct, which it should be as I've seen it in countless places before.
<psy3497>
That's a good point I should try first getting each of the dependencies in isolation on a clean store and see what happens.
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<ottidmes>
Just learned something new about Nix. I always assumed `with` to shadow what was in scope, but its not doing that (only to other outer scoped `with`s)
<ottidmes>
> ({ x ? 5 }: let a = { x = 10; }; in with a; x) {}
<{^_^}>
5
<ldlework>
strange
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<ottidmes>
ldlework: I reading about it in an issue, but the rationale behind it is pretty sound, `with` tends to be used with big attrsets defined outside the file's scope, so if you define something with a let, it should not get its meaning changed after something in the with attrset gets added at a future point
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<ldlework>
that's interesting!
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<Ralith>
I dunno, if you want that behavior you could just explicitly place the with before the let
<Ralith>
nonlexical scope is sketchy
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<ldlework>
yeah
<ottidmes>
Ralith: I agree with you, but that does not make the other argument invalid
<ekleog>
ottidmes: named bindings are stronger than unnamed (with) bindings
<ekleog>
because otherwise adding a package to `pkgs` would be a big risk of breaking lots of code
<ottidmes>
ekleog: yes, that is what I read on the issue, I get that
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<ekleog>
oh didn't know you read it in an issue :)
<{^_^}>
nix#1361 (by alexeymuranov, 1 year ago, closed): Language feature proposal: exclusive 'with'
<ekleog>
hmm actually somehow my brain erased out your comment about the issue…
* ekleog
pure noise
<gchristensen>
very intelligent noise, though
* ldlework
has the movie Contact brought to mind
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<iqubic>
To whomever was helping me with bluetooth issues earlier, I want to say that updating my kernel to 4.19.7 didn't solve anything.
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<iqubic>
gchristensen: I can't understand why this is screwing up.
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<iqubic>
It was working, then I updated my kernel and nixos version, and now it fails.
<iqubic>
Bluetooth is really weird.
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<gchristensen>
it is a mystery to me, too :(
<iqubic>
I am really really pissed.
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<gchristensen>
:(
<gchristensen>
I probably can't help, but what exactly is and isn't happening?
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<iqubic>
gchristensen: So I want to get bluetooth working. I go the the terminal and run "sudo bluetoothctl" The output I see is this: http://dpaste.com/0VH3GWZ
<iqubic>
I know. This is a really really really stupid issue.
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<ottidmes>
iqubic: you said it happened after updating to the latest NixOS version and Linux kernel, what NixOS version were you on before upgrading and after?
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<gchristensen>
does reverting to that version fix it?
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<ottidmes>
iqubic: This is how I would go about resolving your issue. First, like gchristensen says, try revering back to your old situation, if bluetooth then works again, you have a chance of figuring this thing out
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<iqubic>
You know, I would revert, but I did the most stupid thing ever. I ran this command: "nix-collect-garbage -d" I literally deleted my old generations. I feel so stupid now.
<ottidmes>
iqubic: So assuming this is the case, that it works again with that situation, try and go back to an as basic installation as possible where you just about can test bluetooth (i.e. reducing other influences)
<ottidmes>
iqubic: if you still have your old configuration, that should be no problem
<ottidmes>
iqubic: do you use a self managed nixpkgs checkout?
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<iqubic>
Well, I mean the only change that I made that was substantial was switching to 18.09.
<iqubic>
And no I don't use a self managed checkout.
<ottidmes>
iqubic: so you could just try and point nixpkgs back to the latest 18.03
<ottidmes>
that should bring it close to what you had, and change the kernel version back to what you used then
<iqubic>
I don't know how to change my kernel version back. But I'll certainly try to do that.
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<ottidmes>
iqubic: I suppose you did something along the lines of boot.kernelPackages = pkgs.linuxPackages_latest; and you probably used the default setting before, so just comment that line and you should be back
<iqubic>
Yeah, I did do that.
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<iqubic>
How do I check if I have bluez installed???
<ottidmes>
iqubic: have right now?
<iqubic>
Well, I'm just worried that I don't actually have bluez installed right now.
<ottidmes>
iqubic: if you know it has some bin, check for that
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<ldlework>
interestingly, I only have URxvt*font: xft:Source Code Pro For Powerline:size=14:antialias=true:hinting=true
<ldlework>
and italics works
<gchristensen>
I've never managed to get .Xresources' font to work. fc-list | grep -i mono | grep -i fir shows /nix/store/3d8pvcxnj6dp9fxakn588vmd4wiz63wx-fira-mono-3.206/share/fonts/opentype/FiraMono-Regular.otf: Fira Mono:style=Regular so I added URxvt*font: xft:Fira Mono:style=Regular and still it uses that horrible font
<ottidmes>
gchristensen: fix your volume indicator already! :P it would annoy me to no end xD
<gchristensen>
dunno how :)
<colemickens>
arianvp: If you get something that works well for DNS resolutions, please let me know. This current NSCD setup is extremely unfortunate IMO.
<colemickens>
I'm getting the impression I should just disable nscd and switch to networkd-resolved, but I can't quite tell.
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<iqubic>
So I find myself unable to revert to a state where bluetooth works.
<gchristensen>
iqubic: might be hardware, then? :/
<ldlework>
heh Vegur doesn't work so well as a console font
<ottidmes>
iqubic: maybe try some LTS Ubuntu LiveCD or if you have a Windows dual boot, to rule out a hardware issue
<gchristensen>
haha, no, it doesn't :P
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<ldlework>
i was gonna run neofetch with it to have an ascii version of the logo rendered in Vegur
<iqubic>
ottidmes: I do have a windows dual boot.
<ldlework>
but it looked horrible heh
<iqubic>
Bluetooth works fine when running windows10
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<ldlework>
gchristensen: install pywal, then do wal -i $SOME_IMAGE_FILE
<ldlework>
(its in nixpkgs)
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<ottidmes>
iqubic: hmm, maybe still try that Ubuntu LiveCD suggestion though, to rule out a Linux driver issue
<iqubic>
I don't have a LiveCD lying around anywhere, sorry.
<gchristensen>
ldlework: omg
<ldlework>
XD
<gchristensen>
ldlework: my whole computer is morbo colored
<ottidmes>
iqubic: no USB stick that you can dd?
<ldlework>
haha
<iqubic>
I can dd a usb stick, but I really wish there was a simpler way to test this.
<Rusty1>
iqubic: boot into windows , turn off fastboot (if enabled) , reboot and try bt
<gchristensen>
ldlework: I fed it a screenshot of my terminal from another time, and it picked all the reasonable colors... nicley done
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<ldlework>
yeah it works really well. you can go wallpaper shopping to get some nice ones
<ldlework>
wpgtk is a gtk gui ontop of pywal which lets you manage a collection, adjust themes, get 16 colors instead of just 8
<ldlework>
and some other niceties
<ldlework>
(it uses pywal underneath)
<ldlework>
the latest nixpkg is broke for me though
<colemickens>
wait is that something new you're building gchristensen ? does it boot in <some cloud>, output imgs?
<ldlework>
nice
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<gchristensen>
colemickens: it is something I built like a year ago as a hack
<ldlework>
what are you talking about?
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<iqubic>
gchristensen: Do you see any issues with that lspci output? Is it concerning that it doesn't list anything related to bluetooth?
<gchristensen>
it worked great, brought up a machine for 1hr, let you play around, and then it'd go away. ldlework look at the contents of that firefoxusercontent ... 288bbbb... image
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<ldlework>
oh neat
<gchristensen>
I didn't make it public b/c I was worried about abuse
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<ldlework>
what would be bonkers is if there were some way to get an xsession in the browser
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<ldlework>
and people could LITERALLY try my workstation env
<ldlework>
lol
<iqubic>
Even `lspci -k` doesn't even show anything related to bluetooth.
<ldlework>
a Workstation App Store
<gchristensen>
anyway, it is extremely past my bedtime, and my coworkers are about to wake up, so I'd better go to bed ;)
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<ldlework>
nn
<gchristensen>
thank you for the help, ldlework, this has been a lot of fun
<ldlework>
np
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<iqubic>
Sounds good. I really wish you could stay around and help me with bluetooth, but I get that sleep is important.
<ldlework>
does rkfill list anything bluetooth
<gchristensen>
iqubic: I have no idea how to help, I'm lost too :( sorry
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<iqubic>
Damn it to all hell.
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<Lisanna>
gotten myself into a pickle.... I can't nixops deploy to example.com because hydra.example.com is offline but is also listed as a substituter for example.com, and fail to connect to a substituter is a fatal error in nixops ):
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<psy3497>
Could anyone help me figure out why, when building a package that is a simple mkDerivation of one Python script
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* ekleog
doesn't know of a much better scheme, and paths are basically a mess in the language IMO
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<ldlework>
ekleog: oh i remember why
<ldlework>
because you have to give it a name first
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<ekleog>
ldlework: what is “it” in your sentence? the derivation? you can do "${pkgs.mkDerivation { ... }}/some_file.sh" if you want (though that'll be ugly)
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<ldlework>
how do I stop other phases from running if I made a simple buildPhase?
<ldlework>
set phases to a list of strings I'm guessing
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<ekleog>
yup
<ottidmes>
ldlework: yep, phases = [ "buildPhase" ]; would do that for you
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<ldlework>
why can't I do pkgs.lua.withPackages ?
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<psy3497>
Anyone knows if nixos-18.09 nix expressions' outputs are being cached? I have no problem getting stuff from the binary cache when using the unstable nixpkgs, but I need to rebuild stuff when I'm using nixos-18.09 nixpkgs. Perhaps cache.nixos.org is for unstable and there is a different cache for nixos-18.09?
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<ottidmes>
psy3497: you probably have something causing mass rebuilds on nixos-18.09, that cache should work fine with nixos-18.09
<psy3497>
ottidmes: I'm using the exact same expression, only switching between
<ottidmes>
psy3497: the only suggestion I have is to try and recreate your config for nixos-18.09 from scratch, so begin with a basic configuration, and keep adding stuff from the config you actually want to use until you detect the problem
<ottidmes>
psy3497: I would use nixos-rebuild dry-build to test this
<psy3497>
ottidmes: I see. That should be easy as the package I'm building is extremely small.
<ottidmes>
psy3497: just read what it is trying to build
<psy3497>
I
<psy3497>
ottidmes: I'm not using nixos
<ottidmes>
psy3497: ow...
<psy3497>
Is that related to why I'm not getting cache hits?
<psy3497>
Does NixOS have a default setting for the cache url that is different than what I get when installing Nix?
<ottidmes>
probably not
<psy3497>
Cool.
<ottidmes>
you could check your /etc/nix/nix.conf though
<psy3497>
My cache is cache.nixos.org
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<psy3497>
Once I find the first package that demands rebuilding, how do I proceed from there?
<ottidmes>
I would probably use nix-diff to see what is different between my package and that on the cache
<psy3497>
Ah! Perhaps Python 3.7 is not available in nixos-18.09
<pbogdan>
psy3497: try using python36 when building with 18.09 and see if that helps at all; the default python interpreter for python 3 changed on unstable to 3.7 and IIRC the official Hydra instance only builds the package set for the default ones for python 2 and 3
<psy3497>
pbogdan: yes exactly what I thought just now hehe
<psy3497>
ottidmes: nix-diff sounds good I'll try it out.
<psy3497>
Even if switching to python36 fixes the problem I'd like to try this `nix-diff`
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<ottidmes>
psy3497: only problem might be getting the cached .drv for nix-diff to work, but there should be ways of getting this, maybe via the hydra website, but there are probably easier ways
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<psy3497>
ottidmes: Thanks! I'll look at the hydra website and see what I can find!
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<{^_^}>
[nixpkgs] @ivan opened pull request #51860 → jdk11_headless: fix the build on amd64 → https://git.io/fpQaw
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<fusion809>
Hi folks, I'm getting this error: https://gist.github.com/fusion809/fd98235945416e43008517528a3dcc9a from running nix-shell -p gobjectIntrospection gtk3 'python37.withPackages(ps : with ps; [ matplotlib pygobject3 ipython ]), so that I can use Matplotlib with a GTK3 window in Julia.
<fusion809>
Is there a way to disable tests, as if I'm reading this right, the tests are failing.
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<peterHK>
hi i am having clang/ld issues on OSX :) i have this ruby package (fastlane) which works fine on the linux build machine (android) but i am always getting clang errors on OSX. "ld: unknown option: -isysroot" or "ld: unknown option: -dylib" or "clang-5.0: error: cannot specify -o when generating multiple output files"
<peterHK>
i am not very familiar with clang and friends :(
<peterHK>
i guess i am missing some isDarwin use stdenv.darvin or so?
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<fusion809>
hedning: I've looked at overlays before and as I'm a Nix lingo beginner it confused me to no end. To build my own custom packages I forked the nixpkgs repo.
<hedning>
ah, yeah, that works too
<fusion809>
So where do I add python3.pkgs.hypothesis.override { doCheck = false; }? default.nix in the top level dir of nixpkgs?
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<fusion809>
Nvm, I'll just disable the checks in the default.nix file of the hypothesis package and install it
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<hedning>
fusion809: sorry, was a bit vague, overlays go in `~/.config/nixpkgs/overlays.nix`, and looks like `self: super: { boost = super.boost.override { python = self.python3 };` where `super` is what you're overriding and `self` is the final package set.
<hedning>
fusion809: yeah, a local nixpkgs checkout is in many ways more convenient
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<fusion809>
So does that mean after creating that file and adding the self and python3.pkgs lines when I try to install python37Packages.hypothesis again it should skip the test?
<psy3497>
A small question if I may: I packaged a single python script that has a dependency on a Python library `requests`. It works, and when I query run-time dependencies I can see that `requests` is there. My queston is due to wanting to understand, where is this dependency actually is? I looked at the build output of the python that runs my script (it has the dependency on `requests` but I can't find requests
<psy3497>
anywhere. I even tried to run grep recursively including binary files and following symlinks searching for either `requests` or a part of the hash in the nix store for `requests` but couldn't find anything. Where is the connection being made?
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<infinisil>
psy3497: Run `nix-store -qR /nix/store/<hash>-script.py | grep requests` to find the nix path to the requests script
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<colemickens>
How do I leverage this? If I use vaapiIntel.override { ... } in my opengl packages, then I get wind up with a conflict when it builds the opengl drivers, I guess since there's another dependency on the non-hybrid-enabled intel vaapi driver...
<infinisil>
psy3497: Then you can also 'nix why-depends <pythonscript> <requests-path>' to figure out exactly how it depends on it
<psy3497>
infinisil: I know the path to requests, I used that path when grepping.
<psy3497>
infinisil: why-depends shows how build outputs or derivaiton depend on each other in a tree?
<infinisil>
Just try it?
<psy3497>
which showed that the python-env build output depends on requests, but that did not help me as I looked inside python-env all over and did not find requests there, hence me asking here.
<psy3497>
infinisil: if so it's equivalent to the command I ran with nix-store
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<infinisil>
psy3497: Otherwise I really don't know what you're looking for. What does "where is?" mean for you? You know the path already.
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<psy3497>
Sure I'll try
<psy3497>
Will get back to you soon :)
<psy3497>
I want to see the string of the path in a text or binary file
<{^_^}>
[nixpkgs] @zimbatm pushed commit from @Mic92 to staging « ruby: fix cross-build (#51842) »: https://git.io/fpQrd
<psy3497>
I want to know how does that python have access to `requests`
<infinisil>
psy3497: ah yeah that's exactly what why-depends does
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<psy3497>
Cool! I'm in the process of writing it now
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<psy3497>
Thanks infinisil, it worked! I've no idea why my recursive grep did not find this
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<hedning>
fusion809: yeah, I think so, full like would be `python3.pkgs.hypothesis = super.python3.pkgs.hyphothesis.override { docheck = false };`. I don't use overlays that much though, so I could be mistaken :/
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<goibhniu>
you can use `pasuspender` to suspend PA
<NKataDelYoda>
I have an issue with a Node package dependency - pngquant-bin. It's relying on libpng-dev package to build pngquant-bin. libpng & pngquant are both available in Nixpkgs, but it's trying to find libpng-dev. What is the best solution in this case? Would I set up an overlay, or is the package simply not available in the Nix repos yet? (Disclaimer: I'm new to NixOS - coming from Arch) I appreciate any advice, loving NixOS!
<psy3497>
stackage2nix looks promising but I can not use it as when I'm trying to install it with `nix-env` I get "error: attempt to call something which is not a function but a set, at stackage2nix/nix/stackage2nix/default.nix:1:13"
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<{^_^}>
[nixpkgs] @andir opened pull request #51863 → firefox{-esr,-bin,}: update to 64.0, 60.4.0esr → https://git.io/fpQDL
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<psy3497>
thanks sphalerite ! Apparently the nix expression in their github repo did not work with nixos-18.09's nixpkgs
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<NKataDelYoda>
To extend on my previous question: `libpng` doesn't have a dev version in Nixpkgs, but running `libpng-config --cflag` shows the location of the development headers. For a package looking for `libpng-dev`, is there a way to direct the build process to the necessary dependancies?
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<jomik>
Good morning ! Quick little question here: I want to make an expression to put this bash file in PATH: https://github.com/eli-schwartz/dotfiles.sh I am wondering if the best way is to just use stdenv.mkDerivation and a prePatch = ''sed -i "s@/usr/local@$out@" Makefile'' ? But - I am not sure that the Makefile is correct for NixOS.
<goibhniu>
NKataDelYoda: you can often choose a number of outputs for a package. Perhaps it's libpng.dev that you need?
<sphalerite>
I'm guessing this is a case of…
<sphalerite>
,library NKataDelYoda
<{^_^}>
NKataDelYoda: Don't install libraries through nix-env or systemPackages, use nix-shell instead. See https://nixos.wiki/wiki/FAQ/Libraries for details.
<jomik>
- Need to handle zsh completions too, but that's not a concern atm.
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<sphalerite>
jomik: no, shouldn't need any replacement — you can just set PREFIX using makeFlags
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<jomik>
sphalerite: Oh, of course ! Still not sure about using the included Makefile - it adds completions unconditionally. We should probably only add them if requested, as they need zsh enabled, etc.
<NKataDelYoda>
goibhniu: Yes, I did see outputs = [ ... dev ...]. I am in fact using nix-shell. To select libpng.dev, I assume I simply include that as a buildInput for the shell? I'll read into it a bit more.
<sphalerite>
jomik: it's fine to put them in the package, they just won't be used
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<pietranera>
hello, I am trying to understand how nixos containers work. Does anyone here have pointers to where I can find more information? Thanks!
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<goibhniu>
NKataDelYoda: yup, that should do it
<jomik>
Adding them to the system without them being used just seems like bloat to me, sphalerite
<sphalerite>
pietranera: there's the manual, and, uh, that's about it
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<pietranera>
uh, ok. I was hoping to find more details somewhere... e.g. how they differ from docker containers etc.
<sphalerite>
jomik: 1kb of unnecessary files seems more desirable to me than having extra nix code that most likely nobody will ever take advantage of
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<sphalerite>
jomik: additionally, there are already many packages that include completions
<sphalerite>
pietranera: they're not much like docker containers at all
<sphalerite>
pietranera: they use namespacing, but that's about it
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<sphalerite>
pietranera: they're little extra nixoses
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<psy3497>
sphalerite: I tried what you suggested with both unstable and nixos-18.09 and both of them fail. Most of the time it uses the binary cache, but towards the end it starts building and fails. Does it build for you if you try to get it?
<pietranera>
sphalerite, my understanding is that they use systemd-machined, but IIRC the docs say that they don't offer the same isolation as docker containers.
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<{^_^}>
[nixpkgs] @dotlambda closed pull request #51808 → protobuf: apply patch for python 3.7 only when building with it → https://git.io/fp91h
<jomik>
True - still interested in checking if zsh is enabled or bash-completion is. But I guess I can just query their flags... programs.zsh.enableCompletion and programs.bash.enableCompletion ? Do need to update the zshcompdir to the one we use..
<jomik>
Thanks :)
<sphalerite>
pietranera: yeah the main use for them is allowing multiple service instances AFAIK
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<sphalerite>
jomik: no, you can't. Packages don't have access to nixos config
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<jomik>
sphalerite: Oh they don't? Damn... Is there any way I can check this? I don't want to use pkgs.zsh and pkgs.bash... because, then I would load them even if they are disabled :P And completions wont work if I don't get the out dir of the package
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<jomik>
2 questions: Am I unable to destructure an object inside an object as in L1? And how do I go about getting the parameters passed in that is normally passed to nixpkgs when this is my own file in /etc/nixos/ ?
<symphorien>
you can get stdenv and fetchFromGithub with: "with import <nixpkgs> {};"
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<jomik>
symphorien: Thanks!
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<sphalerite>
jomik: the more desirable way to do it when you're using it in your nixos config would be to use callPackage, e.g. environment.systemPackages = [ (pkgs.callPackage ./dotfiles-sh.nix {}) ];
<sphalerite>
jomik: that ensures that the same nixpkgs is used for both dotfiles.sh and the rest of the system, and avoids an extra evaluation of nixpkgs, meaning it builds faster
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<jomik>
sphalerite: Ooooh. callPackage is on pkgs. Perfect! That's what I want then :D
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<{^_^}>
[nixpkgs] @alyssais pushed 2 commits to release-18.09: https://git.io/fpQxW
<jomik>
Since I am working on a package... tho, I guess the best way to work on it isn't exactly to be writing it into my /etc/nixos/configuration.nix .....
<jomik>
qyliss^work: There is a makefile, I don't want to use it tho :P
<qyliss^work>
oh, right
<qyliss^work>
Okay, then you'll need dontBuild = true
<jomik>
Yeah. It's all nice and good now ! :D
<jomik>
So my remaining issue is that this bash script has completions for bash and zsh... But, I don't want to refer to bash-completions and such IIUC, because then the package will be built?
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<jomik>
In `nix-env -iA nixos.something`, where is the nixos attribute from? Can I add my own "channel" on a different attribute? So that I could do `nix-env -iA my.something` ?
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<jomik>
Hey, noticed I am getting this issue when inputting a command that isn't found -- DBI connect('dbname=/nix/var/nix/profiles/per-user/root/channels/nixos/programs.sqlite','',...) failed: unable to open database file at /run/current-system/sw/bin/command-not-found line 13. cannot open database `/nix/var/nix/profiles/per-user/root/channels/nixos/programs.sqlite' at /run/current-system/sw/bin/command-not-found line 13.
<jomik_>
tilpner: Well, that's the user's issue :3
<tilpner>
jomik_ - Is it? I would technically be redistributing their config
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<ottidmes>
tilpner: not sure, but should be a general github issue, I whatever holds for any github repo would hold too for this, you probably agree somehow that by publishing to github that you allow source downloads, but you still have the icky copyright issue
<jomik_>
tilpner: Would you? If you just refer the user to the config? Sounds like what google does.
<{^_^}>
[nixpkgs] @vcunat pushed 95 commits to staging-18.09: https://git.io/fp7IK
<ottidmes>
if you were to do that, its probably ok
<tilpner>
Yeah, GitHub TOS might make every user give GH the right to make their source publicly visible, but that doesn't automatically extend to rehosting by someone else
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<jomik_>
tilpner: Do you intend to save the configs?
<tilpner>
All I would do is set up services.hound to give a pretty UI for a few hard-coded repos
<tilpner>
Which involves saving and serving those configs, yes
<gchristensen>
tilpner: tbh, I wouldn't worry. just do it.
<gchristensen>
if you get a nastygram (you won't) you just stop indexing that one.
<ottidmes>
probably the same rules as any search engine would then apply, follow the robots.txt, allow requests to be removed from your search thingy
<gchristensen>
nobody is going to destroy you over a code search
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<ottidmes>
so the source (i.e. origin) should be clearly made visible
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<averell>
does ddg have it's own index?
<averell>
i thought it was bing or something like that underneath?
<qyliss^work>
I think DDG is its own thing
<gchristensen>
"generating those results from over 400 individual sources, including crowdsourced sites such as Wikipedia, and other search engines like Bing, Yahoo!, and Yandex." but that doesn't rule out its ownindex too
<averell>
alright then. guess i should stop spreading that myth
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<ptotter[m]>
ddg has those bang-commands, like !google
<gchristensen>
whoa, cool
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<__monty__>
Yes, those are great. Can emulate them somewhat with ff's bookmark keywords though.
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<betaboon>
hello. is it possible to create a nix-expression during build-time and use it ?
<elvishjerricco>
betaboon: Yes, that's called "Import from derivation," or IFD for short, and it's recommended to keep it to a minimum
<elvishjerricco>
It's banned outright in nixpkgs itself for reasons of scale.
<elvishjerricco>
But the gist of it is: `(import (pkgs.writeText "foo.nix" "{ a = 1; }")).a`
<betaboon>
elvishjerricco: I'm using node2nix to create nix-expressions from package.json+package-lock.json and I'm getting sick of FE developers to regenerate the nix-expressions when they change those json files xD
<elvishjerricco>
betaboon: Yea, I made that work with IFD a while ago
<simpson>
betaboon: In terms of alignment, you need your devs to also use Nix, share the pain, and regenerate the Nix expressions as part of their package-version-bumping workflow.
<elvishjerricco>
Don't have the code for it anymore unfortunately
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<elvishjerricco>
simpson: In my experience that was not true
<jomik_>
Is it correct that I should set `programs.ssh.startAgent = true` to essentially do `eval "$(ssh-agent -s)"` ?
<elvishjerricco>
The team was able to continue doing frontend work, and my Nix expression mostly just worked as long as they kept package-lock.json updated
<hodapp>
dang, I should check and see if any updates have happened to Appleseed
<simpson>
elvishjerricco: Do you see what I mean by incentive alignment? If two teams don't use the same workflow, then they aren't incentivized together to maintain the workflow.
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<betaboon>
simpson: you know, there are two types of devs: those that take pride in what they do so that they do it in a concentrated manner, and those that don't. try getting stuff into the heads of the 2nd kind. more time-efficient to work around their ways
<elvishjerricco>
simpson: Just giving you my experience. I maintained the ops for a pretty fast-paced frontend team for months and they never had to touch nix
<elvishjerricco>
Didn't cause me all that much grief
<elvishjerricco>
Certainly less of my time than all of their time if they'd had to learn nix
<simpson>
betaboon: Huh, that's an interesting experience. IME the first kind are the problem, as they are too proud to change their ways.
<betaboon>
simpson: well yeah. ofc that was a bold over simplification of things :)
<simpson>
elvishjerricco: It sounds like you were the only person doing the ops work. Conway's Law lets you do that. In my situation, or in betaboon's, that might not be the case; there might be an entire team of ops who need to be able to use the tools interchangeably.
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<elvishjerricco>
simpson: I was the only one working on the Nix for that frontend team, but it was in use by the rest of our Nix infra
<elvishjerricco>
It was more like I was a package author :P
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<elvishjerricco>
Basically it just sat their working as intended for weeks on end, until a minor issue would come up and I'd have to spend an hour or so fixing it.
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<elvishjerricco>
It was an extremely minimal cost to do things that way. Anything else would have wasted a lot of other people's time
<{^_^}>
nix-mode#58 (by grahamc, 15 hours ago, open): Support find-file-at-point or something like it, to open a file referenced by your nix expression
<elvishjerricco>
gchristensen: Wut. So it just chooses the last one that it finds?
<hodapp>
gchristensen: mention it in #emacs too?
<gchristensen>
elvishjerricco: they merge
<elvishjerricco>
gchristensen: How on earth does that work?
<gchristensen>
hodapp: I'd feel weird about thaht :/
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<gchristensen>
elvishjerricco: well `-i` overwrites, but `-p` is a list anyway, so the lists merge
<gchristensen>
betaboon: I did. I haven't worked on it since. it was just a wild idea I wanted to play with :) want to take it over?
<betaboon>
gchristensen: i would love to but unfortunately dont have the resources to take good care of it.
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<betaboon>
gchristensen: i still pretty much like the idea of using terraform with nixops, and i assume moving nixops to a plugin system would enable that too
<elvishjerricco>
gchristensen, betaboon: Aw, I was hoping that PR somehow used Nix plugins :P Regardless, yea that PR seems like a good idea
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<gchristensen>
betaboon: I think it would help, yeah
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<djahandarie>
Hey folks. Is there a nixpkgs channel or commit I can use to get nix 2.0 installed on an old nix 1.11 instance? The latest nixpkgs requires nix 2.0 itself to even use, so it doesn't work.
<elvishjerricco>
Personally I'd like to see NixOps's model changed to something more Nix-driven. I like the idea of a NixOps expression just being a derivation that builds scripts that perform the deployment. That'd be much easier to work with
<hodapp>
gchristensen: they'd be fine with it, though it might not get any help
<gchristensen>
hodapp: maybe you could post it? I think you're more active there than I am
<symphorien>
djahandarie: nixos-18.03 has nix2 and is buildable with nix1 iirc (as nixUnstable, probably)
<gchristensen>
I mostly post off-topic stuff there :X
<{^_^}>
[nixpkgs] @worldofpeace pushed 2 commits to master: https://git.io/fp7mW
<jomik_>
issue - I have set `programs.gnupg.agent = { enable = true; enableSSHSupport = true; };`but I still have no gpg in my cli?>
<tilpner>
Alright, I added every example config from the wiki to a hound. https://search.alydor.tx0.co , later available at just search.tx0.co once DNS is done
<elvishjerricco>
jomik_: You probably need to add gnupg to your systemPackages manually
<jomik_>
I'll see when I get my repo updated.. :D Hmm, tho... I am pondering how I would do this. Cuz my dotfiles are in my $HOME. I am not sure if configuration.nix fits that :P
<djahandarie>
symphorien, had to jump through 17.09's nix first but 18.03 indeed worked after that, thanks!! (Also needed to do `echo -n 10 > /nix/var/nix/db/schema'...)
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<djahandarie>
Oh well, we have upgrade-nix now, hopefully it'll never be this bad again :)
<symphorien>
are you on nixos ?
<djahandarie>
Nope. multi-user nix install on Debian
<symphorien>
make sure you upgrade to the latest nix before using nix upgrade nix
<symphorien>
it used to have a nasty bug
<djahandarie>
Not planning on using upgrade-nix, just saying that I'll hopefully never need to do this weird channel and schema hacking since there's something which does it for me now!
<djahandarie>
That said, an official document somewhere about how to do this safely would be nice...
<symphorien>
skipping nixos releases will rarely work
<dermetfan>
I tried `services.hydra.extraEnv.NIXPKGS_ALLOW_UNFREE = "1"` and `nixpkgs.config.allowUnfree` already with no success.
<jomik_>
I can't find it tho? I need to restart gnupg's agent
<gchristensen>
dermetfan: in the jobset's configuration, pass the argument nixpkgsArgs of the type "nix expression" and pass the value { config = { allowUnfree = true; }; }
<gchristensen>
dermetfan: in the jobset's configuration, pass the argument nixpkgsArgs of the type "nix expression" and pass the value { config = { allowUnfree = true; inHydra = true; }; }
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<dermetfan>
gchristensen: Thanks! That seems to work. I just don't understand how nixpkgsArgs is picked up, I don't have such a parameter in my project's release.nix
<gchristensen>
dermetfan: oh, hrm
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<gchristensen>
so nixpkgs/pkgs/top-level/release.nix accepts the arguments. you should pass it there :P like : import <nixpkgs> { config = { allowUnfree = true; }; }
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<{^_^}>
[nixpkgs] @globin pushed commit from @WilliButz to master « grafana: 5.4.0 -> 5.4.1 »: https://git.io/fp7G6
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<dermetfan>
gchristensen: For some reason just adding the nixpkgsArgs seems to suffice... evaluation is now running since 20min. Without that jobset input it cancels immediately.
<gchristensen>
okay, I wonder if there is some deep dark magic going on
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<ottidmes>
does anyone know the performance implications of doing an expensive expression inside an inherit? will it share the expression, or will it duplicate it for each inherit
<ottidmes>
> let inherit ({ foo = 5; bar = 10; }) foo bar; in [ foo bar ]
<{^_^}>
[ <CODE> <CODE> ]
<ottidmes>
> :p let inherit ({ foo = 5; bar = 10; }) foo bar; in [ foo bar ]
<{^_^}>
Unknown command: p
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<ottidmes>
would that be like [ ({ foo = 5; bar = 10; }).foo ({ foo = 5; bar = 10; }).bar ] or more like [ tmp.foo tmp.bar ]
<jomik>
Hey guys! I have an odd thing with network manager... When I log on at my home wifi, it will try to connect, then say "No secrets provided", deactivate the profile, then activate it again and connect succesfully..
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<Guanin>
Hi, just a short notice about services.geoip-updater: It seems like the databases that are used as default will soon (2019-01-02) be dropped, as noted in the header here: https://dev.maxmind.com/geoip/legacy/geolite/
<Guanin>
Also, the downloaded files seem to be the same since 2018-03, so it does not seem to make sense to download them regulary
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<Guanin>
At least, this holds for the databases that are not starting with GeoLite2
<{^_^}>
[nix-mode] @jabranham opened pull request #59 → Make find-file-at-point support <nixpkgs> → https://git.io/fp78S
<NKataDelYoda_>
Hi all! Enabling gnupg.agent via NixOS config results in a series of errors "reloading user units for sddm... gpg-connect-agent: failed to create temporary file... gpg-connect-agent: can't connect to the agent: Permission denied,,, etc." Has anyone come across this before?
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<Guanin>
And on a second note, the GeoLite2-ASN database can not be updated by the script, as it is a .tar.gz with additional files - which is not handled properly by the updater script
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<jomik>
NKataDelYoda_: I had the same. It complains about temp files - it seems to work just fine for me now after a reboot.
<jomik>
Assuming you ran `sudo nixos-rebuild switch` of course.
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<seqizz>
Hi again :) How can I call a predefined variable on system, like a user's home directory? ${users."myuser".home} seems not working
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<NKataDelYoda_>
jomik: Thank you. I did run with sudo. I'll give that a try!
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<seqizz>
Ah nevermind, it was under config's scope
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<jonaswouters>
I’m trying to use patched Nerd fonts (from the nerdfonts pkg), but the glyphs are not working in my xsession and not showing up in the charmap app. Am I missing a configuration variable or library? The fonts itself do seem to work. I’ve had this issue before with Arch linux and I have no idea how I solved this before.
<clever>
jonaswouters: i believe all fonts must be in the fonts.fonts option in configuration.nix
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<jonaswouters>
clever: that’s where I added the package.
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<pointfourone>
so what is the difference between the packages libreoffice and libreoffce-still when they're both at the same version? is the former just a metapackage?
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<Leo`>
Is it possible to modify and rebuild the configuration of a container from inside this container? Or maybe container are just not made for this kind of management?
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<samueldr>
pointfourone: pretty much, libreoffice is guaranteed to point to "a" libreoffice, and it defaults to the stable release (which they name still)
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<elvishjerricco>
Leo`: I think you can just copy your `configuration.nix` into the container, make sure it has `boot.isContainer = true;`, and use `nixos-rebuild` inside the container.
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<waleee>
I'm trying to use the nixpkg version of julia in a nix-shell (so the package manager and select packages will work), but for reasons beyond me pkgs.openblas.blas64 must yield false in the shell
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<waleee>
... which I would expect it not to, since a check in nix-repl yields true. This makes julia fail on start
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<blorpybloopy_>
hi all, for some reason nix-shell has stopped working for me with haskell packages. Despite having packages listed as dependencies, they don't show up in `ghc-pkg list` and cabal complains about them missing when I try to start a repl. Running on OSX
<blorpybloopy_>
I'm not sure how GHC discovers packages, and it looks complicated enough that I figured I'd ask before jumping into things
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<{^_^}>
[nixpkgs] @Mic92 opened pull request #51876 → Go cleanup: use buildGoPackage whenever possible → https://git.io/fp76F
<Synthetica>
I have a new weird nix-shell issue: when running my `make` from a nix-shell on Travis, I get out-of-space errors, but when I do it with explicitly installed packages, I don't get them. Any ideas?
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<inf>
Hey. I've just tried using nixos-install on running nixos (supposed to be used on a different device) and system installs fine, but then, after booting, I am unable to `nixos-rebuild switch` with following error: "warning: Nix search path entry '/nix/var/nix/profiles/per-user/root/channels/nixos' does not exist, ignoring"
<inf>
(and then following actual error: file 'nixpkgs/nixos was not found in the Nix search path)
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<inf>
Comparing this system with another one I have running successfuly, i can see that /nix/var/nix/profiles/per-user/root/channels-1-link is pointing at /nix/store/...-user-environment, while one on my other test machine is pointing at /nix/store/...-nixos-18.09.1228.a4c4cbb613c - do you have any suggestions how to figure this out without reinstalling? :)
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<ottidmes>
I am trying to figure out a better solution to some infinite recursions problems I have been having. I already have "fixed" them, i.e. no infinite recursion in my tests anymore, but I want to make sure I really addressed the root problem of the infinite recursion. In order to do this I need to know how one is supposed to set pkgs decleratively within the configuration. Am I supposed to just set nixpkgs.pkgs in
<ottidmes>
my configuration?
<inf>
note: this is my second NixOS system, and I've only started playing with it less than a month ago, so I might be missing something obvious. I installed this system following the manual (like i did with the first one), just running of nixos instead of "live" nixos install system.
<acowley>
I'm having trouble getting avahi to work well for me on NixOS. I can resolve names quite well, but other machines aren't seeing my NixOS machine reliably. It sometimes works, but usually not. Anyone have any ideas how to debug that?
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<ottidmes>
acowley: not sure if relevant, but maybe ping is disabled on your NixOS machines? I considered Avahi as well, but went with a local DNS server instead
<{^_^}>
[nix-pills] @mhwombat opened pull request #96 → reworded to avoid two consecutive semi-colons → https://git.io/fp71g
<acowley>
ottidmes: That's a good suggestion, but sometimes it works!
<{^_^}>
[nix-pills] @grahamc merged pull request #96 → reworded to avoid two consecutive semi-colons → https://git.io/fp71g
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<catern>
hmm, what's the appropriate home directory dir to default to using as a unprivileged user-specific /nix? ~/.var/nix? ~/.local/nix? ~/.local/lib/nix? (I'll use user/mount namespaces to mount it onto /nix)
<mkaito>
so my printer doesn't want to work. journalctl says "Job stopped due to filter errors; please consult the error_log file for details." -- any idea where this error_log would be?
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<verrchu>
Hi guys
<verrchu>
I have a question
<gchristensen>
sure, go ahead and ask verrchu
<gchristensen>
mkaito: probably just in journalctl somewhere
<gchristensen>
mkaito: -A netboot.x86_64-linux
<verrchu>
there is a nodePackages partition of all the available packages for nix
<verrchu>
there is for example node2nix package which i need
<leons>
gchristensen: Oh, that makes sense! Thanks!
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<gchristensen>
oops, thanks for catching my message, despite it being sent to the wrong person :)
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<leons>
gchristensen: Otherwise, it'd try to build the whole attribute set, right? With all platforms?
<verrchu>
but for some reason nix can not find it when i search for it
<gchristensen>
leons: right!
<mkaito>
I was wondering how netboot would help my printer
<mkaito>
¯\_(ツ)_/¯
<verrchu>
what should i do in order to find it? Should i explicitly add "nodePackages" somewhere
<verrchu>
?
<djahandarie>
I'm trying to use nix's distributed build functionality and am finding that a build succeeds locally but fails remotely. I've ensured the nix versions are the same, and that sandboxes are enabled both places. Despite that the remote build continues to fail.
<djahandarie>
Does anyone have tips on how to further debug?
<leons>
mkaito: Well, serving your printers firmware would certainly be a cool thing, but probably won't help with your problem ;)
<djahandarie>
(It in particular fails on rust derivations generated by buildRustCrate, FWIW.)
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<mkaito>
hmmmm > loadFilename failed: open /var/spool/cups/d00012-001: Permission denied -- and a bunch of cups programs that exit with status 1. not much else. not much to go on.
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<{^_^}>
[nixpkgs] @ambrop72 opened pull request #51878 → vboxExtpack: Fix the sha256 to be hex. → https://git.io/fp7SO
<{^_^}>
[nixpkgs] @fpletz pushed 4 commits to release-18.09: https://git.io/fp7Ss
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<tilpner>
mkaito - Did you check /var/{lib,cache}/cups?
<mkaito>
tilpner: not sure what I should do with the contents of those folders, sorry.
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<tilpner>
Look for your errors :/
<mkaito>
they seem to contain some config and cache files
<mkaito>
yeah there doesn't seem to be anything interesting in /var/{cache,lib}/cups
<NKataDelYoda>
Good evening! Using `node2nix` with an existing Node project, and attempting to enter into the generated shell throws an error: `error: nix-shell requires a single derivation` ~ is anyone familiar with `node2nix`, or nix-shell, and why the error occurs?
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<verrchu>
How did you install node2nix?
<verrchu>
i am struggling with this step right now?
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<NKataDelYoda>
verrchu: I used nix-env, as follows: `nix-env -f '<nixpkgs>' -iA nodePackages.node2nix`
<verrchu>
oh my god
<verrchu>
so there is really no way to do this from the main config file?
<NKataDelYoda>
Or it can be installed globally (with correct config) using npm. I don't see why it can't be installed via config file, the nixpkgs one that is - it's a non-free package most likely.
<{^_^}>
[nix-pills] @mhwombat opened pull request #97 → Added clarification for NixOS users → https://git.io/fp796
<gchristensen>
add nodePackages.node2nix to your systemPackages, verrchu
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<mkaito>
solution to my nixos printer problems: VM with Windows.
<mkaito>
¯\_(ツ)_/¯
<verrchu>
apparently that worked. node2nix installed successfully
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<verrchu>
but i still don't understand why these packages are not searchable from nix
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<jabranham>
verrchu: there's a whole bunch of packages it's hard to find. "nix-env -qa ggplot2", "nix-env -qa magit" return nothing for example even though they're in nixpkgs. I've not yet figured out why they don't get returned or if it's possible to search in such a way that lists them
<NKataDelYoda>
verrchu: Check out `nix repl` command: `nix repl '<nixpkgs>'` - it allows you to search through available packages quite nicely.
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<NKataDelYoda>
I've spent way too much time trying to get a Node project to build and run... It's been smooth sailing with Nix until now. `node2nix` default.nix shell still throwing `error: nix-shell requires a single derivation`. Ideas? :)
<ottidmes>
benley: default matches previous situation, true goes to yes, false goes to no, logind property is exactly named like that, config option in the module matches this one-on-one, seems sane to me!
<Growpotkin>
hey any dell xps 13 users round these parts?
<gchristensen>
definitely some xps 15ers around
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<Growpotkin>
did you ever have issues waking your screen after a lid close?
<Growpotkin>
I swear I have read every single issue thread out there and I still can't get it to stop acting up
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<ottidmes>
benley: trivial though as it is, that `if` going from boolean to yes/no really ought to be a lib function, its use and modules defining helpers just for this, is common enough to warrent it, but its outside of the scope of your PR
<Growpotkin>
what does "stateVersion" actually do? I have never come to understand that
<simpson>
,stateVersion
<{^_^}>
Setting stateVersion to the latest release doesn't update anything and can only break your setup at best. If you want to regardless, Ctrl-F for "stateVersion" in https://nixos.org/nixos/manual/release-notes.html to see things that need to be manually upgraded with the new value
<Growpotkin>
gchristensen: is this verifyCleanTree script to keep your machines synced with github?
<gchristensen>
it is an attempt at that, yeah
<Growpotkin>
thats pretty slick
<gchristensen>
it doens't quite work because if I `git add .` and not commit, it lets me rebuild switch ;)
<Growpotkin>
I have something similar now with a really gross zsh script haha
<Growpotkin>
but mine's kind of trash
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<vaibhavsagar>
hi, I'm trying to build mariadb.connector-c using the new pkgsStatic stuff in nixpkgs but it isn't working
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<vaibhavsagar>
what am I doing wrong?
<gchristensen>
maybe Ericson2314 can help
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<eyjhb>
What does "Option `services.mxisd.package' has no description." mean? Building from release-18.09 branch
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<jomik>
That it is missing the description attribute.
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<eyjhb>
But... Can't I just ignore that? And seems weird that is got into release-18.09 branch without that being caught
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<eyjhb>
No clue where to add that description
<jomik>
eyjhb: is that supposed to be pkgs.servers.mxisd ?
<eyjhb>
Jomik: No clue, I am just rebuilding my nixos. I am not in any direct way using it, at all
<lassulus>
eyjhb: well release is the branch before CI, maybe you want to have nixos-18.09 from github.com/nixos/nixpkgs-channels
<eyjhb>
Just cloned the git and ran `sudo nixos-rebuild -I nixpkgs=$HOME/.nixpkgs switch`
<eyjhb>
God damn it...... :(
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<eyjhb>
Welll.... That is a problem for tomorrow eyjhb , I am out from today! Thanks lassulus
<gchristensen>
eyjhb: I found the issue and am pinging the author
<vaibhavsagar>
gchristensen: thanks, let me try with the newest nixpkgs and see if that makes a difference
<eyjhb>
gchristensen: Good to know! *doing my job one step at a time, by not being able to build*
<ottidmes>
gchristensen: I am still in the, but what if I publish some secret, phase, but I really ought to just go through it all and just publish that snapshot, because I am sure to have some stuff in my git history that would not be good to publish security wise, but it was cool to see some of the config I shared in the past being used in the repo of someone else, so maybe the snapshot idea (squashed history with
<ottidmes>
thorough checks) is not a bad compromise
<gchristensen>
ottidmes: I know that fear... I git add'd everything and reviewed every line :)
<{^_^}>
[nixpkgs] @veprbl opened pull request #51883 → Revert "dropbox: add mesa, libxshmfence and libpthreadstubs" → https://git.io/fp7N5
<ottidmes>
gchristensen: but you force yourself to go through that so frequently? :P
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<gchristensen>
ottidmes: I do always review my diff before I commit, yeah
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<eyjhb>
Am I the only one stupid enough, to use release-18.09, since this was comitted on the 4. November?
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<eyJhb>
Much better
<gchristensen>
this was backported just today
<asymmetric>
the neovim install wiki says: To install the Python modules: `nix-env -iA nixpkgs.python35Packages.neovim`
<asymmetric>
shouldn't it be python3Packages?
<ottidmes>
gchristensen: it is part of my flow as well, but still mistakes happen, so personally I guess I will just go with commit often, but only publish once in a while
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<{^_^}>
[nixpkgs] @alyssais opened pull request #51884 → bundlerEnv: improve handling of groups → https://git.io/fp7AJ
<{^_^}>
[nixpkgs] @grahamc pushed to release-18.09 « Revert "modules: add mxisd with test" »: https://git.io/fp7Ak
<eyJhb>
I am just going to shhh for a while I guess.. My Git foo is off
<gchristensen>
originally, it was committed Nov 4
<lassulus>
asymmetric: maybe people like old python versions? but python3Packages seems more general
<gchristensen>
eyJhb: (1) I've reverted the commit causing the problem (2) using the release-* branch is a bit dangerous, since it isn't tested
<eyJhb>
gchristensen: so I should track the channels instead? The only reason for having the local copy, Is because I made a PR that is merged into master, but not yet in 18.09...
<eyJhb>
And this seems like the easiet way
<gchristensen>
at a minimum, you should track the -channels repo instead -- its branches will always be safe
<eyJhb>
Fair, I will do that!
<eyJhb>
Do you have a ,better, way of doing what I want? Since I would just like to `overwrite` some pkgs
<eyJhb>
And.. Overlays seems like too much work, for stuff that is already done
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<{^_^}>
[nixpkgs] @markuskowa merged pull request #51878 → vboxExtpack: Fix the sha256 to be hex. → https://git.io/fp7SO
<jomik>
I think I use a local derivation for those, and then just PR the changes.
<eyJhb>
Jomik: can you give a example ?
<jomik>
I have added my own folder as a channel, and use that for installing my packages that are not in nixpkgs.
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<ottidmes>
eyJhb: overlays are trivial, they do exactly "overwrite" some packages, so outside some fixes/changes inside nixpkgs internals, I tend to just use my overlays, create my package, add one line in my overlay (usually), and done
<ottidmes>
ah clever, I guess I will just go experiment, but I am struggling a bit with Nix's way of evaluation, if I add a module with a reference to pkgs directly, no inf-rec, if I add 2 indirections (2 extra wrapper functions calls before what used to be called directly), then I get inf-rec
<akavel>
Hi! I would like to run `nix copy --from` ... some path from nixos.org cache, for testing; what is the URI of the cache, and how can I browse what derivations are available?
<ottidmes>
clever: do you have any idea what is up with that, I did read about attrset destruction being problematic, but it seems like just having pkgs in _module.args, causes it to become intertwined with everything defined in _module.args, if I move it out of _module.args and into say _module.pkgsArgs, than the problem is gone
<clever>
Jomik: nix-env will recursively search for either a foo.nix, or a foo/default.nix, and then create a channel called foo
<akavel>
clever: thanks! so I can't browse the list of what's available, correct?
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<clever>
Jomik: any parent directories that it recurses thru, are basically ignored, so the `test` dir is just a way to group channels, and use normal linux permissions to restrict who can modify them
<clever>
Jomik: channels vs channels_root is already doing that
<clever>
akavel: i dont think you can browse, you need to eval your own nixpkgs, to know what hashes to expect
<clever>
channels_root on non-root users also points there, so you inherit roots channels
<clever>
and the channels symlink for non-root users, points to the channels profile of that user
<clever>
nix-env will merge everything together as it scans .nix-defexpr, and doesnt really care if something "non-standard" like test/foo/default.nix turns up
<jomik>
Aaaah, yah okay. I guess I just prefer it because it is visible in the tools I'd normally check with :P
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<jomik>
Thanks :D
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<samueldr>
it's injected from the big list of all kde software
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<gchristensen>
I wish I could set different USB keyboards to differentkeybindings.
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<samueldr>
gchristensen: from memory, from old notes I lost track of, it might be possible using `input-kbd` here https://github.com/kraxel/input
<samueldr>
though working on the scancode level
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<samueldr>
and I seem to recall, from that same exploration, that setxkbmap can also be done per-input-device, but not sure if I'm misremembering
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<gchristensen>
wow!
<samueldr>
-device device Specifies the numeric device id of the input device to be updated with the new keyboard layout. If not specified, the core keyboard device of the X server is updated. (from man setxkbmap)
<gchristensen>
:O you're absolutely right! I can have a dvorak kinesis advantage, qwerty kinesis advantage, colemak kinesis advantage, and a right-handed maltron set to qwerty all at the same time.
<samueldr>
is it time for an intervention6
<samueldr>
?*
<gchristensen>
well I can only type on dvorak and qwerty, and not at the same time... so maybe not quite yet
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<__monty__>
Can you type on the maltron? At a usable speed?
<cransom>
next level ascension, would that be dvorak lefthand and dvorak right hand simultaneously?
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<pxc>
has anyone else on nixos-unstable had their plasma system tray recently stop working?
<__monty__>
I'm actually curious about single handed dvorak. Is it actually practical and does anyone use it?
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<__monty__>
Uhm, I'm in #nixos-chat if anyone wants to continue the keyboard discussion.
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<gchristensen>
__monty__: no, I just got it today and am very slow!
<gchristensen>
samueldr: worked a treat! I can type Maltron layout (appears as us/qwerty to the computer) just fine, but dvorak on my kinesis and qwerty on my laptop.
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<samueldr>
gchristensen: I assume through using setxkbmap -device ?
<gchristensen>
yeah
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<ldlework>
what does it mean when a builder failed to produce output path?
<gchristensen>
matched up with device IDs from xinput -list -- interestingly my camera is a "keyboard"?
<ldlework>
I copied the binary to $out/bin
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<ldlework>
verified it is there with ls -la
<samueldr>
gchristensen: if it has buttons, it's a keyboard... X!
<gchristensen>
it doesn't...!
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<ldlework>
also what is homeless-shelter?
<samueldr>
a folder that doesn't exist set to HOME so programs can be caught (mis)using $HOME
<samueldr>
(during the build)
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<ldlework>
i see
<ldlework>
samueldr: what about "failed to produce output path"
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<asymmetric>
vaibhavsagar: awesome :) i work at makerdao which also has offices in nyc, we use haskell and nix as well
<asymmetric>
although not primarily haskell
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<vaibhavsagar>
asymmetric: that's cool! there seem to be a lot of companies using Nix now
<vaibhavsagar>
I'm aware of urbint as well, they do haskell + nix too
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<mpickering>
I have met some people who don't use Haskell but do use nix
<vielmetti>
how do I use nix-shell to pick up nixpkgs from unstable? thinking about how to create a place to test new versions out, but keeping the main install plain.
<symphorien>
-I nixpkgs=channel:nixos-unstable
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<vaibhavsagar>
mpickering: that was me at my last job
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<kvda>
mpickering i'm considering using nixos with ocaml, python
<kvda>
well it'll happen in a couple of months
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<kvda>
but yes heard about it through Haskell+nix users
<iqubic>
gchristensen: I have something important to tell you.
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<iqubic>
I finally got my bluetooth to work.
<gchristensen>
iqubic: ohh?
<gchristensen>
yay!
<gchristensen>
how'd you do it?
<iqubic>
So my computer has this FN + F12 key command that toggles the wifi card. Apparently it also toggles my bluetooth controller too. I just hit that twice, and it fixed my issues.
<gchristensen>
I have that too, but when I toggle it by mistake, rfkill shows it as blocked -- and yours didn't show it as blocked -- so I assumed it wasn't that
<gchristensen>
I guess toggling it unwedged it, great!
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<iqubic>
I didn't think to try that, because almost all of the other FN + Fwhatever keys don't do anything on linux unless I specifically bind them.
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<gchristensen>
yeah, not sure why that one is special :)
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<iqubic>
Well, I also have FN + F10 which toggles my keyboard backlight, and that works without binding it on Linux.
<gchristensen>
hmm, same
<gchristensen>
wifi-kill and that one work out of the box
<iqubic>
What laptop are you using?
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<gchristensen>
if I press (I think) shift, fn, f11 my computer immediately sleeps. Dell XPS 9560
<iqubic>
FN + F11 does that for me.
<gchristensen>
I guess the shift was unneeded :)
<iqubic>
Yeah, and when I do that, my bluetooth headset unpairs itself, but videos and things keep playing.
<iqubic>
if I send it to sleep that is.
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<clever>
the idea behind that one, is to hit it before you login at a console, because anybody could sign in, and then just run a program that prints `login:`
<clever>
and then just wait for a root pw
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<gchristensen>
oooh nice, clever
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<pareidolia>
How can I write a template unit in configuration.nix? It doesn't like the @ sign
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<gchristensen>
systemd.services."myunit@"
<{^_^}>
[nixpkgs] @vcunat pushed to release-18.09 « nixos/nvidia: improve the assertion again »: https://git.io/fp5T4
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<iqubic>
gchristensen: I don't think the power off keybinding is related to dell and the FN keys.
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<iqubic>
I'm not really sure what that command is.
<iqubic>
I do know, that without any explicit configurations, under nixos pressing the power button for any length of time will power off my machine.
<iqubic>
is there a way to make pressing the power button do nothing at all?
<gchristensen>
vaibhavsagar, Ericson2314 how about Friday? Imight be able to come down