<boi>
I've run into an issue, git remote add channels git://github.com/NixOS/nixpkgs-channels.git fails with "Not a git repository (or any of the parent directories): .git
<gchristensen>
Why are you running that command
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<boi>
And I'm curious what this it's talking about so I'm trying it
<boi>
also I'm clearly clueless on how the system works because I notice packages that are on the git repo but not available by the typical nix-env -iA and can't figure out how to acquire them
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<bhipple[m]>
Sounds like you're new to nix. I'd give the manual a brief skim, as it's very readable and quite informative. These are also fantastic reads: https://nixos.org/nixos/nix-pills/pr01.html
<bhipple[m]>
But the basic idea is that the nix expression language just takes a bunch of pkg expressions and lazily evaluates them, as you specify in nix-env -iA foo
<bhipple[m]>
Those pkg expressions can come from anywhere, really -- a git clone on a filesystem, a tarball in your "channel", etc.
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<bhipple[m]>
The channel mechanism provides a tarball of https://github.com/nixos/nixpkgs that gets updated once the binary cache (hydra) has built the expressions
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<boi>
I know that much I just can't seem to put together where nix-env searches for the expressions and how I can add to the list of visible ones
<boi>
besides the channel system
<bhipple[m]>
Yeah I struggled with that quite a bit when I first started, too
<bhipple[m]>
Try: git clone https://github.com/nixos/nixpkgs to some dir, say src/nixpkgs. Then you can export NIX_PATH=src=$HOME/src/nixpkgs
<bhipple[m]>
and then $ nix-env --file '<src>' -iA foo
<bhipple[m]>
to use the foo pkg out of the cloned nixpkgs repo that you setup (note it doesn't have to be nixpkgs; it can be any valid nix expression dir or file
<boi>
Ill try, thank you
<bhipple[m]>
You can also use $ nix-repl '<src>' which will give you tab completion on packages that you might be searching for
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<NixOS_GitHub>
[nixpkgs] shlevy pushed 1 new commit to master: https://git.io/vA81X
<tertle||eltret>
maybe i should just use the stack overflow method and make something
<tertle||eltret>
a reddit crawler
<tertle||eltret>
since reddit urls are simple enough
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<palo>
I like that nixos has so much functions (like fetchpatch fetchurl) but where do I find a nice oferview and description of ALL of theses functions? like man configuration.nix
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<tokudan[m]>
palo: that's iirc in nixpkgs manual
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<tokudan[m]>
I'm trying to run a debian in a container through systemd-nspawn. problem is that i get an error that I cannot figure out when running the following commands: debootstrap stretch debian && systemd-nspawn --directory debian -b
<tokudan[m]>
error message is: Cannot be run in a chroot() environment.
<bhipple[m]>
Is there a way to specify to nix-env, nix-shell, etc. to download all of the build-time and src dependency pkgs even when getting from cache.nixos.org?
<tokudan[m]>
bhipple: i believe you can set a nix option to disable the use of caches, causing nix to build everything on your machine, have a look at the man page for nix.conf
<tokudan[m]>
bhipple: i think you can set nix options when running nix-build and probably others as well
<bhipple[m]>
Indeed, I've found that, but what I'm looking for is to use the caches but ALSO download everything in the transitive closure
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<NixOS_GitHub>
[nixpkgs] volth opened pull request #35161: [WIP] nixos/nat: allow to connect to forwardPort from the host itself (master...patch-92) https://git.io/vA8y9
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<dgpratt>
another easy noob question: how do I add something to $PATH permanently for the current user? I tried adding e.g. "export PATH=$PATH:~/.local/bin" to ~/.profile but that didn't seem to work
<gchristensen>
what are you putting in to ~/.local/bin and why?
<bhipple[m]>
I have a bastion host mirroring cache.nixos.org, and I'd like it to slurp everything greedily (including build inputs and src pkgs) so that firewalled off machines communicating with my internal mirror can get what they need
<tokudan[m]>
i don't think so, as it's not required anymore as soon as you use a cache. similar to build artifacts getting removed by the garbage collection, they simply are not in the dependency tree anymore
<palo>
tokudan[m]: yeah seems there are a lot of functions documented. but of course I can't verify if thats all :D
<palo>
but thanks for now
<tokudan[m]>
palo: well, they *are* all documented in the code ;)
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<samueldr>
dgpratt: .profile isn't by default read by bash on all shell init; it depends whether there are other files which take precedence for bash and if it's a login shell or not
<tokudan[m]>
palo: maybe try nix-repl '<nixpkgs>' and see what tab completion gives you?
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<tokudan[m]>
palo: something like builtins.<tab> should give you a list
<dgpratt>
samueldr: ok, thanks; what if I wanted to alter $PATH for the entire user's session? i.e. from login?
<samueldr>
e.g. bashrc will be used for interactive shells, and .bash_profile will have precendence over .profile
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<samueldr>
then, yes, as you seem to understand
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<samueldr>
give me a sec
<palo>
tokudan[m]: nice good Idea
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<samueldr>
I'm not sure ALL DM follow the convention, dgpratt, but AFAIUI sddm sources .xsessionrc on nixos
<gchristensen>
bhipple[m]: maybe check out what mirro-tarballs does
<samueldr>
oh, and finally, if you're compiling stuff and adding it to ~/.local/bin, you may prefer to make derivations and put them in the store; using nix-env to install them ;)
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<leons>
I'm currently trying to package a rust application, but the source code is contained in a subdirectory inside the git repo.
<leons>
I tried switching to the subdirectory using the "sourceRoot" but I'm getting "failed to open - permission denied (os error 13)" during the build.
<leons>
Is there any documentation on the "sourceRoot" option?
<dgpratt>
gchristensen: this is probably more than you care to know, but since you asked :) I have "hie" ("Haskell IDE Engine") in there for some reason, can't remember the details atm; in any case, my more recent experiments mean that I'm trying to find a home for such a script file as this https://github.com/haskell/haskell-ide-engine/issues/439#issuecomment-359801662 -- I don't think it matters too much where it ends up, just
<dgpratt>
so long as its on the PATH
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<dgpratt>
samueldr: (or anyone) supposing I did want to make my own derivation(s) and nix-env them or whatever, is an "overlay" a good way to manage them? one of these tabs has something about overlays...
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<samueldr>
sure, it's the "new" way to add something to the packages
<samueldr>
but if it's a simple script, let me check something, there may be an even easier way (though it would be installed to the system and not the user)
<bhipple[m]>
You don't have to structure it as an "overlay"; if you're adding pkgs, you can just write a foo.nix file like any other and build/install it
<samueldr>
^ or even that
<bhipple[m]>
That's the simplest way to get started
<samueldr>
hmm, can't find what I had in mind
<dgpratt>
so overlays are more for altering pre-defined packages?
<bhipple[m]>
But if you expect to make a LOT of never-to-be-contributed-upstream packages, you can start your own src tree structurally similar to nixpkgs: https://github.com/mozilla/nixpkgs-mozilla
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<samueldr>
in a way, overlays can be used to "bind mount" into the nixpkgs attrset
<bhipple[m]>
Yeah, the mozilla tree is technically an overlay, but conceptually the idea is that it's just more nix expressions and you import nixpkgs to avoid re-defining the universe
<bhipple[m]>
overlays help when you want to reach in and change something like boost, but then re-use all the othe rpkgs that depend on boost and have them use your modifiedBoost
<bhipple[m]>
but if you just want to use dependencies off the shelf you don't have to worry about all of that yet
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<dgpratt>
I guess I just need to muddle through and sort this stuff out, but sometimes when my mental stack is multiple-levels high and I can't remember why I'm even trying to do what I'm trying to do, it's hard to maintain focus and motivation :P
<PyroLagus>
does fetchFromGithub get the .zip or .tar.gz?
<samueldr>
welcome to my life a year ago :D it only gets worse/better/awesome
<samueldr>
PyroLagus: .tar.gz from memory, but it hashes the contents, not the archive
<dgpratt>
there's a method to read JSON into a Nix expression, so it seems like I should figure that out, too, and then I need to remember how to actually use it...I drive myself crazy sometimes
<nflores>
I'm trying to use the following curlOpts with fetchur: curlOpts = lib.escapeShellArgs ["-L -H Accept: application/octet-stream"]; but I keep seeing errors like curl: (6) Could not resolve host: '-L. and curl: (6) Could not resolve host: application. Any thoughts on what I'm doing wrong?
<nflores>
fetchurl*
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<nflores>
this throws similar errors: curlOpts = lib.escapeShellArgs ["-L" "-H Accept: application/octet-stream"];
<nflores>
this as well: curlOpts = lib.escapeShellArgs ["-L" "-H" "Accept: application/octet-stream"];
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<NixOS_GitHub>
[nixpkgs] dtzWill opened pull request #35167: cc-wrapper tests: 4 and 5 regardless of default (master...fix/clang-libcxx-4-5-tests) https://git.io/vA85N
<dalaing>
hmm, so I can't easily wind back Hydra to an older version, because it depends on whatever version of nixUnstable is in the tree at the time - I guess it's time to put on my code archaeology hat...
<dalaing>
nevermind, that looks like it'll be trying to fill a bottomless pit
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<fearlessKim[m]>
arf computer crashed during home-manager update. The rollback instructions don't give me X and when I try to start X, it can't find the screens :s I just want to start i3 and I am sure there is some magical systemd command to fix it. anything I should try ( loginctl ? )
<LnL>
Havvy: the aarch64 build
<Havvy>
Ah.
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<fearlessKim[m]>
hum seems like it was not a HM problem, chose an old nixos generation and that fixed it
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<sphalerite_>
is nix-instantiate supposed to output just the derivation's filesystem path? It keeps printing the filesystem path suffixed with an ! and an output name for me, and I can't seem to find anything in the manpage that would explain this
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<ixxie>
anybody know which regex flavor nix (2.0) search uses?
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<sphalerite_>
ixxie: C++ regex
<ixxie>
cool
<ixxie>
sphalerite_: do you also happen to know if there is *any* way to use nix search to find haskellPackages?
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<ixxie>
I managed pythonXXPackages but it seems Haskell packages are different
<sphalerite_>
nope, don't know, sorry
<ixxie>
dang
<ixxie>
thanks anyway
<sphalerite_>
any reason not to use repl?
<sphalerite_>
I mean, if you're looking for a haskell package I imagine you already have a pretty good idea of what you're looking for?
<ixxie>
sphalerite_: well, yes, but I was hoping the new search tool would support this because its a bit clunky to use the repl
<ixxie>
in particular, being able to use regex would be nice
<LnL>
I don't think so, a drv is also an attrset searching through everything would be pretty slow
<sphalerite_>
also, I've got distributed builds set up on this machine and it seems to prefer remote builders over building stuff locally. Is there a way to get it to use remote builders only when there's more than one thing to build?
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<katona>
It may not necessarily show everything but a quick, hacky way would be to grep/vim search the pkgs/top-level/haskell-packages.nix
<katona>
ixxie:
<sphalerite_>
rnhmjoj[m]: -1 on that, I quite frequently install without setting a password
<LnL>
sphalerite_: don't think so, there's preferLocalBuild for trivial drvs, but otherwise builders are preffered AFAIK
<ixxie>
hmm interesting katona, thanks
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<ixxie>
sphalerite_, LnL - perhaps there should be a way to flag attributes in nixpkgs are to be searchable?
<LnL>
that's what recurseIntoAttrs does :)
<sphalerite_>
LnL: exactly
<sphalerite_>
whoops
<sphalerite_>
unintentional highlight
<lexcomplains>
Hello, NixOS 17 09, i3wm, asus laptop with nvidia gpu. A problem: monitor displays incorrect transparent images from last frames, in other words, when DM is booted, monitor still displays transparent images of booting process, or images of previous frames, apps. Any fix?
<ixxie>
okay so the problem is haskellPackages doesn't have this recurseIntoAttrs?
<lexcomplains>
no such problem in windows
<sphalerite_>
LnL: thing is, if there's not a lot (e.g. one derivation) to build I'd prefer for it to be built locally rather than having to copy everything over to the remote builder
<rnhmjoj[m]>
sphalerite_: I didn't thought of that. you still set it later after you fail the attempts
<sphalerite_>
rnhmjoj[m]: no, I just don't set one and log in via SSH
<LnL>
sphalerite_: I understand, there's just no way to do that except for --builders '' that I know of
<sphalerite_>
I have quite a few machines where there's no root passowrd and no sudo users, and I only do root stuff by sshing in
<sphalerite_>
LnL: also --builders '' seems to be restricted to root only with no warning if it's passed by a user. In fact I need to put an issue in for that
<LnL>
no, trusted users can do that
<LnL>
nix.trustedUsers = [ "lnl" ];
<sphalerite_>
ah, fair enough. It should still warn you if you don't have the necessary access to do it though
<LnL>
yeah, there's an issue for that I think
<LnL>
it's a debug message instead of a warning IIRC
<sphalerite_>
ij: I don't think VLC includes a synthesiser so no
<sphalerite_>
nvm it seems to support fluidsynth
<sphalerite_>
you might need to give it a soundfont though
<nixer001>
Hi! Is there a way to ask for nix-expressions for absent packages for official channel? For example, I can't seem to find "osspd" package, which is OSS emulation daemon for PulseAudio (that actually works, compared to aoss etc).
<sphalerite_>
nixer001: you can open an issue, but I'm not sure how far that'll get you
<sphalerite_>
nixer001: you can package it yourself of course
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<sphalerite_>
nixer001: but I think the easiest solution for your problem might in fact be to use padsp which comes with pusleaudio instead
<ij>
sphalerite_, I was surprised it didn't work, even though it's got a fluidsynth in deps, yeah. Turns out it's just a .so.
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<sphalerite_>
ij: I'm guessing it'll work if you go to settings, show all, Input/Codecs -> Audio codecs -> FluidSynth and give it a soundfont
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<ij>
I'll try that but that's frustrating to do each time on every computer I want to play a midi once a year.
<ij>
Maybe I could patch that.
<lexcomplains>
Hello, NixOS 17 09, i3wm, asus laptop with nvidia gpu. A problem: monitor displays incorrect transparent images from last frames, in other words, when DM is booted, monitor still displays transparent images of booting process, or images of previous frames, apps. Any fix?
<NixOS_GitHub>
[nixpkgs] joachifm pushed 3 new commits to master: https://git.io/vA4kz
<NixOS_GitHub>
nixpkgs/master 933822d Will Dietz: leo-editor: add local copy of pyqt56 since it was globally removed
<NixOS_GitHub>
nixpkgs/master 83cc0cd Joachim F: Merge pull request #35152 from dtzWill/update/leo-5.6...
<NixOS_GitHub>
nixpkgs/master 4139a6f Will Dietz: Revert "Revert "Merge pull request #30031 from dtzWill/update/leo-5.6""...
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<nixer001>
sphalerite_: padsp does not support running legacy i386 on x64 host. osspd is much more advanced. Thanks for suggesting how to proceed!
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<sphalerite_>
nixer001: aah, ok. Hang on, there should be a way around that too
<sphalerite_>
nixer001: try $(nix-build '<nixpkgs>' --no-out-link -A pulseaudio --argstr system i686-linux)/bin/padsp instead of just plain padsp
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<ij>
Suppose that when two packages, say vlc and soundfont-fluid, are simultaneously installed in nixos, they should start using each other, but unless explicitly asked to, vlc won't require it being built. How should that interaction happen? Can VLC figure that out independenctly or do I need to make a programs.vlc section in configuration.nix?
<sphalerite_>
ij: vlc would need to search relevant profiles for appropriate files
<sphalerite_>
ij: in the same way that fontconfig would search {/run/current-system,~/.nix-profile}/share/fonts
<ij>
ah!
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<ij>
I have fonts on my system, but there's no /run/current-system/share at all. (Btw, what's /run/current-system/sw?)
<sphalerite_>
err, yes I mean /run/current-system/sw/share :)
<sphalerite_>
sw is something (a buildEnv? I'm not sure exactly) that combines all the systemPackages
<ij>
I was more interested in what it stands for. :)
<sphalerite_>
maybe software?
<sphalerite_>
idk
<ij>
I guess so.
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<sphalerite_>
it is indeed a buildEnv
<ij>
That was a symlink gatherer, right?
<sphalerite_>
yes, although it does a bit more than just creating a symlink forest (symlinkJoin does that)
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<sphalerite_>
it allows you to specify which paths to link, how to handle collisions, and post-build steps
<ij>
Why don't I have stdlib function manuals? strcpy, glob
<sphalerite_>
install manpages
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<ij>
Vlc has this in its source within "ifdef _POSIX_VERSION": glob ("/usr/share/sounds/sf2/*.sf2", GLOB_NOESCAPE, NULL, &gl);". I could patch that after I find out what glob accepts.
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<sphalerite_>
ij: ideally make it search each entry in XDG_DATA_DIRS instead. That would be sensible to upstream as well :)
<sphalerite_>
did you find the manpage?
<ij>
Yup.
<nixer001>
sphalerite_: sorry for late response, but padsp connects to paserver with same architecture. Since on x64, x64 version of PA daemon is running, i386 padsp won't connect to it. I have tested this case on Debian and Arch platforms and osspd is designed specifically to address this.
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<sphalerite_>
nixer001: one more shot: does enabling hardware.pulseaudio.support32Bit maybe make it work?
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<sphalerite_>
If not yeah I guess you really do need osspd
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<sphalerite_>
nixer001: I'm not entirely inclined to believe that a 32-bit client can't connect to an amd64 server. The protocol is network-transparent so it shouldn't care about that stuff at all…
<nixer001>
sphalerite_: nope, this won't work, sphalerite_. I have already tried using 32bit pulsedaemon, but it will conflict with running 64bit daemon. The 32bit support was enabled on Debian and Arch, but they are related to libasound plugins that emulate 32bit alsa interface only.
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<nixer001>
sphalerite_: this is specifically about emulating OSS from 32bit arch on 64bit host with Alsa+Pulse. The Alsa 32bit arch on 64bit Alsa+Pulse are unrelated to this case.
<nixer001>
sphalerite_: this is useful for running legacy 32bit proprietary linux-native games or applications. Not much applications require 32bit OSS now.
<sphalerite_>
right. How I see this working is that 32-bit padsp provides OSS emulation, and connects to the 64-bit pulseaudio server (which is fine because the pulseaudio protocol is word size-agnostic)
<nixer001>
sphalerite_: yes, the thing is that I have spend whole day trying to make 32bit padsp work with 64bit server. It needs 32bit server, which then conflicts with existing running 64bit server.
<nixer001>
sphalerite_: I will try to bring osspd into the tree, once I learn to write expressions. :) I have noted your offer how to build 32-bit package, your advices were very valuable! thank you!
<sphalerite_>
nixer001: I still think you could make this work, in the worst case by making the 32-bit client talk to the 64-bit server via a TCP socket
<clever>
hask_bee_3: nix-instantiate --find-file nixpkgs, and echo $NIX_PATH
<schoppenhauer>
clever: the includes work. but I cannot pass -lboost
<hask_bee_3>
ah sweet so it's just a location of a nix dictionary?
<clever>
hask_bee_3: it can also exist outside of /nix
<clever>
schoppenhauer: boost doesnt have a libboost.so
<clever>
schoppenhauer: which component of boost are you trying to use?
<schoppenhauer>
clever: variant and optional
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<clever>
schoppenhauer: maybe -lboost_system ?
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<NixOS_GitHub>
[nixpkgs] rnhmjoj opened pull request #35169: nixos/tests: fix test failure due to preferTempAddress changes (master...ipv6-fix) https://git.io/vA4m6
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<schoppenhauer>
clever: ok, this works.
<schoppenhauer>
clever: thank you.
<clever>
yep
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<NixOS_GitHub>
[nixpkgs] vcunat pushed 2 new commits to master: https://git.io/vA4Ys
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<NixOS_GitHub>
nixpkgs/master 8b1cf10 Vladimír Čunát: Merge #35169: nixos/tests: fix ipv6 test failure
<NixOS_GitHub>
nixpkgs/master a1dc3ab rnhmjoj: nixos/tests: fix test failure due to preferTempAddress changes
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<NixOS_GitHub>
[nixpkgs] vcunat closed pull request #35169: nixos/tests: fix test failure due to preferTempAddress changes (master...ipv6-fix) https://git.io/vA4m6
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<ij>
sphalerite_, When programs look for XDG_DATA_DIR`s, should they read info only from the first one existing or from all?
<sphalerite_>
ij: all of them typically
<ij>
sphalerite_, It looks like VLC utility functions only return one. :P
<ij>
That shouldn't stop anything though.
* sphalerite_
just had a thought: I should grep my entire nix store for /usr/ and find all the occurrences and change them to use XDG_DATA_DIRS :D
<sphalerite_>
ij: link?
<clever>
sphalerite_: one thing that helps, grep -r /usr/ $(nix-store -qR /run/current-system)
<clever>
that should limit it to the current closure
<sphalerite_>
sssshhhh no I'll rebuild my entire system, delete the old gen, and gc after every fix ;)
<clever>
lol
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<sphalerite_>
ij: does that open it in the web interface??
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<clever>
sphalerite_: thats one of the few ways to brick nixos :P
<clever>
make sure it boots before you GC it to death
<ij>
sphalerite_, What do you mean? Does fugitive open the link in the browser? Yes, if you wish, but I use the !-suffixed variant, which copies to clipboard.
<sphalerite_>
ij: ooooh that's awesome, I use vim-fugitive but didn't know about that
<ij>
I also did a range there, see? (with V)
<sphalerite_>
that's amazing
<sphalerite_>
ij: I'm guessing the idea is that it leaves the path search to its caller when appropriate
<ij>
Yeah, but only a single one.
<sphalerite_>
hm that's not ideal
<sphalerite_>
ah well
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<clever>
sphalerite_: ive also noticed a weird bug with opening links lately
<clever>
teamspeak opens things in firefox, but chrome is the default
<NixOS_GitHub>
[nixpkgs] P-E-Meunier opened pull request #35171: BuildRustCrate: more general overrides, and handling the "dylib" crate type (master...build-rust-crate-ln) https://git.io/vA43B
<ixxie>
Mic92: do you have a clue about getting nix search to find haskellPackages?
<clever>
nope
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<Mic92>
ixxie: it seems to only query top-level attributes at the moment
<sphalerite_>
ixxie: you could probably use an overlay like self: super: {haskellPackages = super.recurseIntoAttrs super.haskellPackages;}
<ixxie>
sphalerite_: how do I use that in a nix search query?
<ixxie>
Mic92: I see
<sphalerite_>
ixxie: stick it in your ~/.config/nixpkgs/overlays/search-haskell.nix and run nix search with -u once
<sphalerite_>
ixxie: just confirmed it works
<ixxie>
cool
<ixxie>
thanks sphalerite_
<sphalerite_>
huh, why is recurseIntoAttrs top-level and not in lib?
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<hyper_ch2>
sphalerite_: btw, I'm moving more and more rss feeds to rss2email.... well, I did add them all to rss2email but removing them from quiterss when I see I got new entry in mail account.... nixos email server and roundcube <3
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<NixOS_GitHub>
[nixpkgs] Profpatsch opened pull request #35172: powertop: split man page into "man" output (master...powertop-man-output) https://git.io/vA4sX
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<sphalerite_>
hyper_ch2: great! I'll start using it eventually too :)
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<NixOS_GitHub>
[nixpkgs] Profpatsch closed pull request #35172: powertop: split man page into "man" output (master...powertop-man-output) https://git.io/vA4sX
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<NixOS_GitHub>
[nixpkgs] manveru opened pull request #35173: makeTest: Only allow test names of up to 50 characters (master...max-test-name-length) https://git.io/vA4GJ
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<hyper_ch2>
sphalerite_: what rss reader are you currently using?
<sphalerite_>
hyper_ch2: none
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<sphalerite_>
ij: alright! I'm guessing you didn't complete the patch then?
<ij>
Not for now, no.
<sphalerite_>
are you planning to?
<sphalerite_>
If not maybe I'll do it one of these days
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<NixOS_GitHub>
[nix] edolstra pushed 4 new commits to master: https://git.io/vA4CR
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<NixOS_GitHub>
nix/master 5a082ad Will Dietz: configure.ac: check if lzma has MT support, fix deb build/etc.
<NixOS_GitHub>
nix/master a0bdc96 Will Dietz: compression: print warning if parallel requested but not supported
<NixOS_GitHub>
nix/master c620903 Will Dietz: compression: make parallel sink separate class
<sphalerite_>
Is there a way to pass a path containing a . in an attribute name to the command-line tools with -A?
<sphalerite_>
I have a unit called tinc.lugnet and I can't just do nix-build '<nixpkgs/nixos>' -A config.system.build.units.tinc.lugnet
<clever>
sphalerite_: 'config.foo."a.b"' i think
<clever>
ive had to do that once before
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<NixOS_GitHub>
[nixpkgs] dotlambda opened pull request #35174: home-assistant: pin voluptuous version (staging...home-assistant) https://git.io/vA4CK
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<sphalerite_>
clever: it says the attribute doesn't exist…
<sphalerite_>
oh whoops I misesd out the .service bit
<sphalerite_>
yep that works, thanks!
<ij>
sphalerite_, It's a tiny bit trickier than I'd expected. Would you be strtok'ing the $XDG_DATA_DIRS(with the default from the spec)?
<ottidmes>
Is there someway to access the file location as part a module definition? I want to base an option of the module on the file location
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<sphalerite_>
ij: yeah I think so
<sphalerite_>
ottidmes: toString ./. I think
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<sphalerite_>
ottidmes: what black magic are you trying to do? D:
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<ottidmes>
sphalerite_: Yeah, I know the ./. trick, but I was wondering if I could do without. I have a directory structure for my configs and one assumption is that the root folder of a host is its hostname, so I was thinking, instead of making an assertion they should be equal, why not just base the name on the directory to begin with, no duplication
<ottidmes>
sphalerite_: with "they should be equal" I meant the hostName I define in my config and the root folder name of a host
<sphalerite_>
ottidmes: baseNameOf ./. ?
<sphalerite_>
I don't really get what part of your requirement ./. isn't meeting
<ottidmes>
sphalerite_: Well, I cannot abstract that, I would have to write that for each host, its not that bad, it is definitely a valid solution, but it made me wonder if this information is available elsewhere
<ij>
sphalerite_, Would you include the patch in nixpkgs source?
<sphalerite_>
ij: yeah, with a link referring to the upstream report so it can get removed when it's accepted and integrated into an upstream release
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<m0rphism1>
Hi, I'm trying to get started with Rust on NixOS. Specifically, I'm trying to have a two local packages: a hello world library and a hello world application which uses this library. Is someone familiar with how I could achieve this?
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<sphalerite_>
m0rphism1: personally I usually use the rust overlay and build stuff in `nix-shell -p cc rustChannels.stable.rust`
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<sphalerite_>
there might be better ways now though, I haven't done any rust stuff recently
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<sphalerite_>
gchristensen is actively developing rust stuff and uses something called carnix I believe, which I haven't looked into at all
<m0rphism1>
sphalerite_: Thanks for the pointers.
<m0rphism1>
sphalerite_: How do you manage dependencies between local rust packages?
<sphalerite_>
honestly? I haven't done enough rust stuff to encounter that question :p I don't do much rust
<sphalerite_>
you can probably use cargo install like on other distros, although it's not very nixy of course
<m0rphism1>
sphalerite_: For Haskell and C++, I tend to define a recursive set of my local packages, where each package has a default.nix, but I'm not sure how I can do the same with Rust
<m0rphism1>
sphalerite_: ok, thanks anyways!
<sphalerite_>
I think carnix might help you along that route. Not sure though
<m0rphism1>
sphalerite_: thanks, I'll give it a try
<NixOS_GitHub>
[nixpkgs] abbradar opened pull request #35177: debBuild: install all packages at once to avoid dependency management (master...fix-debbuild) https://git.io/vA4R9
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<genesis>
where locks are stored ?
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<genesis>
nix env "waiting for locks or build slots..." , need to clean something :)
<clever>
genesis: is this with hydra or nix-build on CLI?
<genesis>
nix-env on cli
<clever>
genesis: any use of build slaves?
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<genesis>
i've some weird pb with the fetching, i'd to stop nix-env earlier and try to restard daemon
<clever>
genesis: try running it with -vvv and see what it says
<genesis>
no i'm the only user (afaik) of this computer
<NixOS_GitHub>
[nix] shlevy opened pull request #1881: Disable build users when building on Linux without seccomp (master...no-seccomp-no-root) https://git.io/vA4gH
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<NixOS_GitHub>
[nixpkgs] 7c6f434c pushed 2 new commits to master: https://git.io/vA4g7
<NixOS_GitHub>
nixpkgs/master e37b756 Michael Raskin: Merge pull request #35110 from oxij/pkgs/pretty-fetchurl...
<NixOS_GitHub>
nixpkgs/master a89899c Jan Malakhovski: fetchurl: cleanup, better errors...
<aminechikhaoui>
Hi, is there a way to genereate a configuration.nix from an existent system configuration ? e.g If I'm inside an AWS vm where I set the configFile to be empty on AMI generation
<NixOS_GitHub>
[nixpkgs] 7c6f434c pushed 2 new commits to master: https://git.io/vA4Vt
<NixOS_GitHub>
nixpkgs/master cfa3e7e Michael Raskin: Merge pull request #34798 from oxij/pkgs/aspell-dicts...
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<NixOS_GitHub>
nixpkgs/master 3f9ada0 SLNOS: aspellDicts: add more dictionaries and some documentation
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<NixOS_GitHub>
nixpkgs/gcc-7 0c8939b Vladimír Čunát: Merge branch 'master' into gcc-7...
<NixOS_GitHub>
nixpkgs/gcc-7 8820620 Vladimír Čunát: Merge branch 'staging' into gcc-7...
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<NixOS_GitHub>
[nixpkgs] vcunat pushed 2 new commits to gcc-7: https://git.io/vA4Vn
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<Profpatsch>
How do you people ensure that a sed/substitute command actually replaces something?
<clever>
Profpatsch: one option is to switch to a proper patch, then it will fail safe
<Profpatsch>
Because normally what you want is the build failing when a replacement doesn’t do anything, e.g. because an update changed the line searched for.
<Profpatsch>
clever: Yeah, but that’s too sensible for updates.
<Profpatsch>
And updating patches is a hassle.
<clever>
test that the commands work in a check phase?
<clever>
so if it winds up broken, the build fails
<Profpatsch>
e.g. I want to set RABBITMQ_SCRIPTS_DIR=`dirname $SCRIPT_PATH`
<Profpatsch>
to RABBITMQ_SCRIPTS_DIR=/nix/store/…
<Profpatsch>
And if upstream changed that script to say RABBITMQ_SCRIPTS_DIR=`dirname $(readlink $SCRIPT_PATH)`
<Profpatsch>
my patch would silently fail in the future.
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<Profpatsch>
Failing if nothing is substituted feels like it should be the default behaviour for me in builders.
<Profpatsch>
Because it’s update-safe.
<hyper_ch2>
MoreTea: you don't happen to be here?
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<Dezgeg>
I guess someone would need to implement such substitute command that fails if no substitutions... maybe in awk?
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<NixOS_GitHub>
nixpkgs/master 43522dc Shea Levy: riscv: Use gnumake42HEAD.
<maurer>
So, I upgraded nixos recently, and now am encountering:
<Profpatsch>
I’m not the first to notice that.
<manveru>
yeah, looks like awk is better because sed is line-based...
<maurer>
warning: in configuration file '/etc/nix/nix.conf': unknown setting 'signed-binary-caches'
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<maurer>
followed by signature errors
<Dezgeg>
"This might fork for you: sed '/search-string/{s//replacement-string/;h};${x;/./{x;q0};x;q1}' file"
<Dezgeg>
s/fork/work/
<maurer>
(As an example signature error:
<maurer>
error: imported archive of ‘/nix/store/b1c25bfpgqijc8nyljd52jmnpjrbgj6z-channel-rust-nightly.toml’ lacks a signature
<clever>
maurer: are you mixing nix versions?
<maurer>
clever: Not intentionally?
<maurer>
I ran nixos-rebuild --upgrade switch
<maurer>
and now nix-env/nix-shell has this result
<clever>
maurer: have you recently changed nix.package or nixpkgs?
<clever>
maurer: hmmm, i would expect that to work
<clever>
maurer: what does `type nix-shell` say?
<maurer>
I've never touched nix.package, I'm using a custom nixpkgs for this nix-shell invocation...
<maurer>
clever: nix-shell is /home/maurer/.nix-profile/bin/nix-shell
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<NixOS_GitHub>
[nixpkgs] limeytexan opened pull request #35178: perl-BSD-Resource: init at 1.2911 (master...perl-BSD-Resource) https://git.io/vA4rw
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<clever>
maurer: uninstall that nix
<clever>
maurer: the nix in the os was updated, and that nix hasnt updated, so your mixing nix's
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<maurer>
nix-env cannot uninstall it, again due to the desync
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<maurer>
lemme try adjusting my PATH manually I guess
<clever>
maurer: manually run the /run/current-system/sw/bin/nix-env for the uninstall
<clever>
no need to edit PATH itself
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<maurer>
OK, it's working again
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<NixOS_GitHub>
[nixpkgs] 7c6f434c pushed 7 new commits to master: https://git.io/vA4oY
<NixOS_GitHub>
nixpkgs/master e1782e3 Jan Malakhovski: nixos: add system.boot.loader.initrdFile option and use it where appropriate
<NixOS_GitHub>
nixpkgs/master 8200e08 Jan Malakhovski: nixos: move nixosLabel to its own module
<NixOS_GitHub>
nixpkgs/master 09512be Jan Malakhovski: nixos: use nixosLabel in more places
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<NixOS_GitHub>
[nixpkgs] shlevy pushed 3 new commits to glibc-2.27: https://git.io/vA4oR
<NixOS_GitHub>
nixpkgs/glibc-2.27 fae4caa Shea Levy: Merge branch 'gcc-7' into glibc-2.27
<NixOS_GitHub>
nixpkgs/glibc-2.27 c682e12 Shea Levy: Merge branch 'master' into glibc-2.27...
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<NixOS_GitHub>
nixpkgs/glibc-2.27 c48fe8c Shea Levy: help2man: Make safe to use in bootstrap stdenv.
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<fearlessKim[m]>
how can I run locally the checkMeta check done by grahamOfBorg ? do I set config.checkMeta = true in configuration.nix ?
<clever>
fearlessKim[m]: if you want it to effect nix-build, it has to go into your config.nix
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<fearlessKim[m]>
clever: I added it, so it will run on next nox-review ? what if I want to run just the checkMeta over nixpkgs ?
<gchristensen>
ack I thought I documented that
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<NixOS_GitHub>
[nix] shlevy opened pull request #1882: Don't silently succeed seccomp setup when !HAVE_SECCOMP. (master...no-seccomp-no-filterSyscalls) https://git.io/vA4Kb
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<NixOS_GitHub>
[nix] shlevy closed pull request #1881: Disable build users when building on Linux without seccomp (master...no-seccomp-no-root) https://git.io/vA4gH
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<ottidmes>
What does `loeOf` actually do? I wanted to have a "list or element of list" type, but it does not work the way I expect it does, I wrote my own that does work like the name suggests, but I was just wondering what it is supposed to do. I have not seen any use of it in nixpkgs
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<ottidmes>
infinisil: Apparently it is removed in master
<fearlessKim[m]>
please add a "disable-overlay" to nox-review. I exported NIX_PATH=nixpkgs-overlays=''" but seems like it still took something from my overlay.
<infinisil>
yeah
* infinisil
does a git bisect
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<NixOS_GitHub>
nixpkgs/staging a34b027 Shea Levy: Merge branch 'linux-headers-4.15' into staging
<NixOS_GitHub>
nixpkgs/staging fd0f15f Shea Levy: linuxHeaders: Bump default to 4.15.
<NixOS_GitHub>
[nixpkgs] shlevy pushed 2 new commits to staging: https://git.io/vA4iS
<thoughtpolice>
shlevy: Sounds like you're having good luck so far :)
<shlevy>
thoughtpolice: Yep :)
<ottidmes>
infinisil: I have defined my own loeOf based on loaOf, which works fine, I was just wondering, what was it even supposed to do, cannot have more than one element? has to be of type string? many questions about that definition, but it is good to see that it is removed
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<NixOS_GitHub>
nix/master b8bed7d Tuomas Tynkkynen: libexpr: Optimize prim_attrNames a bit...
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<NixOS_GitHub>
[nix] shlevy pushed 7 new commits to master: https://git.io/vA4PU
<NixOS_GitHub>
nix/master f67a700 Tuomas Tynkkynen: libexpr: Pre-reserve space in string in unescapeStr()...
<NixOS_GitHub>
nix/master 0845cdf Tuomas Tynkkynen: libexpr: Rely on Boehm returning zeroed memory in EvalState::allocEnv()...
<shlevy>
thoughtpolice: by the way sorear asked for you on #riscv when he found out you were working on this :)
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<thoughtpolice>
shlevy: Have you got Nix working reliably yet? I'd like to help but at this rate I won't be un-busy (~1wk or so) until after you're done! :)
<thoughtpolice>
shlevy: Heh, he pinged me. We both sit in #yosys so we've interacted a bit.
<thoughtpolice>
(The creator of Yosys is also the creator of PicoRV32 and does some other RISC-V stuff)
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<thoughtpolice>
Well... And also Haskell-wise we've interacted. Looooooong ago *spooky mystery sounding voice*
<ottidmes>
infinisil: Thanks for the reference :)
<shlevy>
thoughtpolice: Yeah, I've been able to do native builds from riscv-nix via qemu-user :)
<shlevy>
thoughtpolice: Working on getting a kernel build now so I can switch to qemu-system
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<shlevy>
And then I'm hopeful native stdenv will be straightforward
<infinisil>
ottidmes: maybe coercedTo could be of use to you too
<thoughtpolice>
shlevy: Ah, yeah. So what I was going to do on my Fedora machine was try bootstrapping using *their* kernel and their little buildroot thingy. Then install Nix inside that to use qemu-system immediately
<thoughtpolice>
(qemu-user seems to vary in reliability IME depending on the arch, but it sounds like RISC-V is pretty good!
<shlevy>
Well, want to get kernel building from Nix anyway :)
<infinisil>
Man, git bisect is really nice, I just did `git bisect run nix-instantiate lib --eval -A types.loeOf` to find where it got removed, couple second later the commit is found
<shlevy>
So far I actually got the build to complete but them 'make install' failed due to missing make target, so I'm guessing they just forgot to add an install target when they added it upstream
<thoughtpolice>
shlevy: For HiFive, we'll probably want to use their kernel for now anyway
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<shlevy>
thoughtpolice: I am using theirs
<thoughtpolice>
They don't have any upstream drivers in 4.15, just ABI support lol
<thoughtpolice>
Ah, ok, misread then :)
<shlevy>
I'm using our build process
<shlevy>
but their source
<shlevy>
(which as of yesterday was purely on-top of 4.16-rc1, which is nice)
<ottidmes>
infinisil: I see now that it was like a hard coded either for strings, instead of matching the semantics of loaOf, I could indeed define it with coercedTo that converts an either x or listOf x to a list of x, but I no already have my own loeOf implementation
<thoughtpolice>
shlevy: I think Linux is like the only thing now that still needs patches, which is a plus...
<ottidmes>
infinisil: That git bisect is pretty amazing, never heard of it before!
<shlevy>
thoughtpolice: Yeah, so far it's just that and qemu
<shlevy>
Oh, and boehm/libatomic_ops, but I wrote those patches and they're being accepted upstream
<infinisil>
ottidmes: it is indeed! Everytime I use it I'm amazed by it yet again. It's especially powerful with nixpkgs, since the git hash determines all dependencies for building something.
<thoughtpolice>
Ah, nice
<shlevy>
We don't have libseccomp though, which means multi-user Nix is unsafe (builds can make setuid binaries)
<thoughtpolice>
Is that just missing upstream (Linux)?
<shlevy>
I'll look at that once I get NixOS otherwise usable
<shlevy>
Yeah
<shlevy>
I don't know if there's a riscv port
<shlevy>
I mean, it's in the kernel I think, just not the userspace lib
<thoughtpolice>
Right, that's what I meant, but yeah
<thoughtpolice>
Oh, no, I meant the opposite. Well then
<shlevy>
Lemme ask :)
<thoughtpolice>
shlevy: Well in any case I won't have anything to do at this rate!!!
<thoughtpolice>
Except fix bugs maybe :)
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<NixOS_GitHub>
nixpkgs/gcc-7 be8062d Vladimír Čunát: Merge branch 'staging' into gcc-7
<NixOS_GitHub>
[nixpkgs] vcunat pushed 1 new commit to gcc-7: https://git.io/vA4XA
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<fearlessKim[m]>
gchristensen: when I run your script I hit "Too many heap sections: Increase MAXHINCR or MAX_HEAP_SECTS", I met this in other cases as well. How can I work around it ?
<gchristensen>
ah
<gchristensen>
right
<gchristensen>
fearlessKim[m]: updated the command to run
<NixOS_GitHub>
[nixpkgs] xurei opened pull request #35182: perl-Gtk2GladeXML: init at 1.007 (master...perl/Gtk2GladeXML) https://git.io/vA4DB
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<NixOS_GitHub>
[nixpkgs] xurei opened pull request #35183: perl-Gtk2TrayIcon: init at 0.06 (master...perl/Gtk2TrayIcon) https://git.io/vA4Da
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<fearlessKim[m]>
gchristensen: ty, it exited with 0 so I suppose everything is fine
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<NixOS_GitHub>
[nixpkgs] dtzWill opened pull request #35184: sddm: minor refactoring, test both with and without plasma5 (master...feature/sddm-test-with-and-without-plasma5) https://git.io/vA4yc
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<gchristensen>
should be!
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<NixOS_GitHub>
[nixpkgs] oxij opened pull request #35185: nixos: fix fallout from #27688 (master...nixos/fix-27688) https://git.io/vA4S8
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<NixOS_GitHub>
[nixpkgs] dtzWill opened pull request #35186: virtualbox-host: unbreak after #27688 (master...fix/virtualbox-addresses) https://git.io/vA4Sg
<NixOS_GitHub>
[nixpkgs] shlevy pushed 1 new commit to glibc-2.27: https://git.io/vA49z
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<NixOS_GitHub>
nixpkgs/glibc-2.27 3aa0651 Shea Levy: Merge branch 'gcc-7' into glibc-2.27
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<fearlessKim[m]>
grahamofborg won't trigger when a PR is WIP ? one of my PR has just been marked with the label WIP and graham has disappeared :'(
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<fearlessKim[m]>
we can't run a nox-review from it ? was hoping to offload the computation there
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<NixOS_GitHub>
nixpkgs/master 0500cf7 Tim Steinbach: plymouth: Fix reference to NixOS version
<NixOS_GitHub>
[nixpkgs] NeQuissimus pushed 1 new commit to master: https://git.io/vA4HI
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<NixOS_GitHub>
[nixpkgs] sorki opened pull request #35188: use overlayfs by default for netboot and iso (master...overlayfs) https://git.io/vA4HQ
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<NixOS_GitHub>
[nixpkgs] dtzWill closed pull request #35184: sddm: minor refactoring, test both with and without plasma5 (master...feature/sddm-test-with-and-without-plasma5) https://git.io/vA4yc
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<NixOS_GitHub>
[nixpkgs] primeos pushed 1 new commit to master: https://git.io/vA4d3
<NixOS_GitHub>
nixpkgs/master d2919c9 Michael Weiss: jekyll: 3.4.1 -> 3.7.2
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<viric>
Dezgeg: is crosscompiling working for you on 17.09?
<Dezgeg>
I haven't tried, you need to ask dtz or Sonarpulse
<shlevy>
viric: Working very well for me on master
<viric>
shlevy: ok
<viric>
I wanted memtester for the pi the other day...
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<viric>
shlevy: I will try master then.
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<Dezgeg>
memtester is in my native cache (on 9b25b9347d97caf55732213dbf45653f866f8114), I think
<viric>
ah good
<lexcomplains>
What simple commands should I type to get running https://bintray.com/probono/AppImages/download_file?file_path=VLC-3.0.0.git4ff2515.glibc2.17-x86_64.AppImage ? when I ldd file, it says libfuse.so.2 => not found ; libglib-2.0.so.0 => not found ; libz.so.1 => not found ; when I run with nix-shell -p glib.out zlib.out fuse.out , still ldd can't find libs. Should I use patchelf? If yes, then why ldd correctly determine path for libc
<lexcomplains>
without patchelf?
<viric>
Dezgeg: I had a bitflip in a backup, I bet that in the pi2
<viric>
Dezgeg: I don't know whether I will need it statically built
<Dezgeg>
ok
<viric>
I have an OpenElec in the pi2 now, as a tv
<viric>
kodi.
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<NixOS_GitHub>
[nixpkgs] the-kenny pushed 1 new commit to master: https://git.io/vA4Ft
<NixOS_GitHub>
nixpkgs/master 2cafea2 Moritz Ulrich: Virtualbox: Fix type error in `networking.interfaces.vboxnet0.ipv4.addresses`...
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<Profpatsch>
If I patch sources with a path and they are not recognized build result (Erlang .beam files) anymore and stripped from the closure, what’s the recommended way of manually adding them?
<genesis>
lexcomplains : why do u try to use an appimage of vlc ?
<Profpatsch>
propagatedBuildInputs sounds like too much.
<viric>
Dezgeg: and I discovered that openelec doesn't even have a way to install gcc
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<lexcomplains>
genesis , because I just want to use appImage of VLC version 3.0. and because there is no nix package of vlc 3.0 in nixpkgs
<simpson>
lexcomplains: I suspect that patching nixpkgs to have a newer VLC will lead to more happiness.
<genesis>
sure, appimagekit is broken by design
<genesis>
hope i'll have time to look deeper in nix-bundle.
<lexcomplains>
simpson , you right, but I don't have time to contribute new package and build it. I just want quickly get this particular binary to run, right now. Maybe in long term someone (or I) will contribute vlc 3.0 to nixpkgs, but in long term. and I need fix now. do we have short straightforward fix? should I execute patchelf with particular arguments or something?
<simpson>
lexcomplains: That's not how Nix tends to work. I'm sure that it's possible, with concerted effort, to make AppImages run on NixOS, but I don't think that we have that in place right now.
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<lexcomplains>
ok
<simpson>
VLC 2.2.8 is in nixpkgs, but I have no idea whether a version bump will suffice.
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<genesis>
lexcomplains : ask on #appimage anyway
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<simpson>
lexcomplains: A version bump netted me a configure error: "configure: error: Cannot find native C99 compiler: please define BUILDCC."
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<lexcomplains>
genesis , I could, but, I don't beleive it is their problem. in other distro like debian, I would install those packages and appimage would just work out of the box correctly, with no hustle.
<lexcomplains>
linux-vdso.so.1 (0x00007fffda1a0000) libfuse.so.2 => not found libpthread.so.0 => /nix/store/d54amiggq6bw23jw6mdsgamvs6v1g3bh-glibc-2.25-123/lib/libpthread.so.0 (0x00007f97d1d58000) libglib-2.0.so.0 => not found libz.so.1 => not found libc.so.6 => /nix/store/d54amiggq6bw23jw6mdsgamvs6v1g3bh-glibc-2.25-123/lib/libc.so.6 (0x00007f97d19b8000) /lib64/ld-linux-x86-64.so.2 => /nix
<lexcomplains>
sorry for copy paste of ldd output
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<genesis>
as you wish.
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<lexcomplains>
I'm wondering what is the way, to tell binary to find those libs. because they are in nixpkgs. But I'm not and C build engineer, to resolve compiling issues, nor nixOs certified professional
<simpson>
There's no such thing as NixOS certification.
<genesis>
it could :-)
<simpson>
Fixing C build issues is mostly about knowing how to aggressively kick machines until they work.
<srk>
lexcomplains: just create a simple derivation for that utilizing patchelf
<NixOS_GitHub>
[nixpkgs] shlevy pushed 2 new commits to master: https://git.io/vA4NE
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<Profpatsch>
lexcomplains: I just rewrote the rabbitmq packaging, am I nixOS certified enough?
<acowley>
I have a build where i have to use a response-file enabled clang wrapper that I made to deal with passing hundreds of nix store paths as command line options. Would there be general interest in folding such a change into the main nixpkgs clang wrapper?
<katona>
Anyone using gnome on nixos, could you please go to settings and check under the screen option whether it recognises your monitor? I only have Undefined
<katona>
And under different distros it usually recognises it
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<NixOS_GitHub>
[nixpkgs] shlevy pushed 1 new commit to master: https://git.io/vA4NN
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<lexcomplains>
Profpatsch, not yet, you may fork all nixpkgs, maintain your own repo version of it, and write extensions for nix language syntax and standart library, then you may pass grade mark for Junior Certificate.
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<Profpatsch>
lexcomplains: Err.
<Profpatsch>
Let me search.
<alp>
katona, it says "integrated display" (in French though) here
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<lexcomplains>
Profpatsch, few questions for nix rockstar, why did you got envolved in to Nix ecosystem? Don't you find hard to switching between different programming languages? when they use same keywords, but meaning is different
<Profpatsch>
lexcomplains: I got involved because I started using it and found it lacking in a few places.
<Profpatsch>
So I fix stuff I need fixed or would like to be improved.
<Profpatsch>
Programming languages are not a very big hindrance, really, they are all pretty similar once you’ve learned a few.
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<Profpatsch>
e.g. I was able to change a Perl script recently even though I’d never learned Perl.
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<lexcomplains>
> it lacking in a few places, So I fix stuff I need fixed or would like to be improved. - sounds fair . could be a good role model for new users.
<srhb>
There was talk of a container-backed test system at some point -- did anything come of it?
* srhb
wants faster iterations
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<NixOS_GitHub>
nixpkgs/master fd2f2bb Shea Levy: riscv-pk: Add a variant with a kernel
<NixOS_GitHub>
[nixpkgs] shlevy pushed 1 new commit to master: https://git.io/vA4pt
<NixOS_GitHub>
[nixpkgs] dezgeg pushed 2 new commits to master: https://git.io/vA4jC
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<infinisil>
<Profpatsch> Programming languages are not a very big hindrance, really, they are all pretty similar once you’ve learned a few.
<infinisil>
Not true with all languages though!
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<NixOS_GitHub>
[nixpkgs] LnL7 closed pull request #35167: cc-wrapper tests: 4 and 5 regardless of default (master...fix/clang-libcxx-4-5-tests) https://git.io/vA85N
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<lexcomplains>
katona , i mounted it (worked), and tried steam-run AppRun (not worked) . then I tried to launch mounted version of it in pkgs.buildFHSUserEnv and it did worked. it launched, however without a GUI.
<simpson>
There's learning to program, to think about programs, to think in a particular language, to grok the patterns of a family of languages, to understand meta-levels, etc.
<simpson>
lexcomplains: Yeah, poking around this binary more, I've come to the conclusion that the FHS user-env, although a little heavy, is probably the sanest way to run arbitrary AppImages.
<simpson>
This puts the score, for me, at 2-0, Nix leading AppImage.
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<lexcomplains>
haha)
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<NixOS_GitHub>
nixpkgs/master f14b6ea Michael Weiss: jekyll: Update the dependencies...
<NixOS_GitHub>
[nixpkgs] primeos pushed 1 new commit to master: https://git.io/vA4jD
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<genesis>
simpson : no, i don't open too much ticket on a same project.
<genesis>
appimagekit is build by cmake, custom sh script, custom make turnaround and it's a real nightmare
<simpson>
No worries, that's what Nix is for. Get it right once, and then it's always right.
<genesis>
that's why i stop contributing the project, i'm still #4 in term of contribution.
<genesis>
what they promess could only be reach with something like nix, that's why i'm interested in nix in first place
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<NixOS_GitHub>
[nixpkgs] vbgl pushed 1 new commit to master: https://git.io/vABem
<Profpatsch>
infinisil: I think I could understand Forth code, I’ve taken some excursions into Lisp, love writing Haskell, Python, Bash, Scala, Java/C# …
<genesis>
trying to solve the appimage issue to solve the dependance path.
<Profpatsch>
what else is there? Ada & APL maybe. :)
<infinisil>
Profpatsch: But knowing e.g. Java doesn't let you program in Haskell
<Profpatsch>
Sure, you need to check a few marks.
<infinisil>
Some skills do transfer, but some don't
<genesis>
simpson : how i see the thing : i improve myself in nix and fork the runtime to a decent version (without glib) and use nix to build decent appimage
<simpson>
"skill transfer" sounds like HR speak. Every language is different, but every language is similar. Some languages are more similar than others.
<simpson>
(Also, as usual, Haskell is Just Another Programming Language here.)
<simpson>
genesis: Sounds like a good plan.
<Profpatsch>
A good sweep would be learning bash, C, some Lisp, Haskell, a JVM language, a scripting language (python/perl/ruby/lua), and one or two exotics (Forth, Ada, Prolog)
<Profpatsch>
Took me around five years to at least learn the basics in each of them and become advanced in one or two.
<simpson>
My list is Python, Haskell or another ML, Scheme or another Lisp, Factor or another Forth, and Kanren or another logical language.
<simpson>
Spend a month with each.
<genesis>
simpson : for the moment, i stop nix waiting my PR to merge, and make a z80/cpc linux complete toolchain in nix, to write a child dream of mine : a cpc demo :)
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<simpson>
genesis: That sounds cool and I'm excited to see your future PRs.
<Profpatsch>
simpson: +1
<genesis>
simpson : plz i've already 6 pr waiting , if you want to look at
<genesis>
i answerd all reviews.
<genesis>
(github account : bignaux)
<simpson>
genesis: I don't have commit bit, sorry, so all I could say at best is "yes plz merge".
<genesis>
nevermind, i've to be patient i guess :D
<simpson>
(I'm kind of a flaky contributor. I have lots of PRs where I *haven't* answered feedback.)
<dgpratt>
my desktop environment is in a bad state, how can I restart it (I'm logged in to another tty)?
<dgpratt>
hmm...maybe it's the display driver that's screwed up? is it possible to restart that? maybe I should just reboot?
<clever>
dgpratt: the driver gets restarted when display-manager restarts
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<NixOS_GitHub>
[nix] dtzWill opened pull request #1883: configure.ac: define HAVE_SECCOMP macro when using seccomp, fix build/tests (master...fix/seccomp-define) https://git.io/vABvL
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<throwboy>
Is there some (easily undersdandable) documentation for developing python with Nix/NixOS?
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<srhb>
throwboy: Does that disqualify the nixpkgs python user guide?
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<throwboy>
srhb: I have already read that. It goes into the details of how stuff actally works, but I could not grasp what I should actually do if I just wanted to start a simple project.
<hask_bee_3>
Can you think of a Haskell package that's included in Stack and that's very unlikely to have its non-Haskell dependencies already installed on a clean macOS or Linux?
<srhb>
hask_bee_3: Any of the cv bindings?
<srhb>
hask_bee_3: most numerical bindings
<throwboy>
As a Nix (and also Python) newbie I am kind of lost. There seem to be lots of different options (pypi in nix, nix-integrated, virtualenv).
<lexcomplains>
throwboy there is https://nixos.org/nixpkgs/manual/#python , however it wasn't fast and easy for me. If if your goal is not to develop nix package, but a python app, TLDR use any familiar toolchain that saves you time, e.g. docker, VM,etc
<srhb>
throwboy: Try following 9.11.1.1.3.1. and nothing else
<srhb>
throwboy: That should get you started :)
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<NixOS_GitHub>
nix/master a6c0b77 Will Dietz: configure.ac: define HAVE_SECCOMP macro when using seccomp, fix build/tests...
<NixOS_GitHub>
[nix] shlevy closed pull request #1883: configure.ac: define HAVE_SECCOMP macro when using seccomp, fix build/tests (master...fix/seccomp-define) https://git.io/vABvL
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<lexcomplains>
I could understand your pain, and tend to agree that Nix is not easy to understand for newbie mortals like us
<srk>
docker saves you time? how? :D
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<simpson>
lexcomplains: Sorry to be frank, but how do you think any of us learned Nix? We read code, we wrote code, we asked questions, we made mistakes.
<simpson>
It took only a couple of weekends for learning Nix to have paid off, but it *is* a steep curve at the beginning. That's how capability-aware systems work; people are used to capability-unsafe computing and it's a shock.
<lexcomplains>
skr, because I'm familiar with it, and stuff inside just work! I could also configure containers in simple bash script like manner. I enjoy, appreciate and celebrate such simplicity after a pain expirienced while tried to get binaries just work in NixOs
<srk>
lexcomplains: try nixops to see the real power of nix when it comes to deployments
<lexcomplains>
simpson , you are correct
<lexcomplains>
srk, I will, srk, maybe, someday
<throwboy>
So my idea (for starting to develop python on nix) was to write an build.nix with python + packages and then point my IDE to that "environment".
<throwboy>
Is that in any way sensible?
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<srhb>
throwboy: Yes, though the usual name is default.nix :)
<srk>
uh, nix2.0pre5967.. 38 out of 50 tests failed
<lexcomplains>
srk, unfortunately I didn't found DOCS on NixOps or Nix itself that allow use it as Fabric\Ansible devops tooling replacement in prod that easy to understand and extend
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<NixOS_GitHub>
[nixpkgs] dtzWill opened pull request #35193: nixUnstable: bump for minor fix to unbreak seccomp builds (master...fix/nixUnstable-seccomp) https://git.io/vABfR
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<srhb>
throwboy: I would suggest trying out something like that shell.nix first though, it's very fast to get a feel of how it works
<srhb>
throwboy: Essentially you just get a throwaway python environment in a shell.
<srk>
lexcomplains: same thing holds as simpson told you, just need to TRY it :) you can figure out how to use it in production after
<simpson>
I don't think that any configuration management tool is easy to understand. nixops is at least not much more complex than Nix and SSH and cloud-specific tooling.
<srhb>
throwboy: Once you've got that, I'd progress to the actual buildPythonPackage type stuff.
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<srk>
simpson: I find nixops quite straightforward due to heavy-lifting done by nix :) it's just need to store metadata of your deployments and run nix-copy-closure
<throwboy>
srhb: I have seen that most people use nix-shell, however I seem to not completely understand it jet. When start a nix-shell, is it really just for that shell? How would I develop within that one shell?
<srhb>
throwboy: Well, you could launch your editor from there and it'd inherit all the relevant python paths for instance :)
<srhb>
throwboy: Have you ever used virtualenv? It's like that, only much more general.
<thoughtpolice>
bgamari: So, what's the status of cross compilation, at the moment? shlevy seems to be using it fine for RISC-V, and I remember you saying on Twitter that it was in a good spot where you could cross compile full Linux + GHC + Haskell apps to a NixOS sdimage and boot that. That's awesome. Does this all work upstream yet?
<throwboy>
srhb: I guess I have. but only heavily wrapped by an IDE
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<thoughtpolice>
bgamari: I haven't talked to Sonarpulse recently, but back around, mmm, ~Nov, he told me it was all messed up (and trying to cross compile ARMv7 on `master` gave me the same impressions)
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<srhb>
throwboy: I would suggest that it's easier to understand what's going on if you try a more barebones approach for a while. It will also make it easier to eventually configure the IDE.
<bgamari>
thoughtpolice, if you use my branch things should more or less just work
<throwboy>
srhb: makes sense
<bgamari>
dtz has been helpfully pushing bits of it upstream
<lexcomplains>
throwboy , I run my proprietary binaries of WindIDE from FHS-like container, pkgs.buildFHSUserEnv , and point it to script project outside FHS, to get python script work in NixOs I use shebangs like .#!/usr/bin/env nix-shell #!nix-shell -p python35 -i python3.5..
<thoughtpolice>
bgamari: Mmmm, that's sort of what I've been doing already, just with a branch from John. :) Though yours does look more polished
<thoughtpolice>
(And cross building SD images is what I need anyway)
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<bgamari>
I think there is only 100 or so commits, most of which are only necessary to get nixos running
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<NixOS_GitHub>
[nixpkgs] Profpatsch opened pull request #35194: rabbitmq-server: 3.6.10 -> 3.6.15 (and various improvements) (master...rabbitmq-3.6.15-fixes) https://git.io/vABfx
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<lexcomplains>
throwboy if you are real beginner, and your goal to execute simple python code, use any web repl ide like https://repl.it/
<bgamari>
if you don't need a full nixos image then I suspect master should work quite well already
<shlevy>
bgamari: Ah, I'm not there yet but I'll want that soon... I guess I'll start taking stuff from your branc when I'm there
<thoughtpolice>
bgamari: The real question is whether those are packages (e.g. "I had to get GTK working again") or just actual .nix file bumps
<throwboy>
lexcomplains: I'll probably get to that stuff later. I just want to get to the basics rn.
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* bgamari
really does intend on helping to push this upstream himself
<thoughtpolice>
bgamari: But I'd be willing to help upstream this, for example, anything that can be merged with little closure size increase/rebuilding.
<bgamari>
but I have a bit of a deadline this week
<shlevy>
bgamari: Do you think we can get it in by the 18.03 branchoff in a week?
<shlevy>
Ah damn
<thoughtpolice>
I think everyone does, yeah
<thoughtpolice>
(Same here)
<srhb>
throwboy: Play around with nix-shell with different dependencies in scope. You'll get the hang of it, I'm sure :)
<throwboy>
lexcomplains: I know basic python, my current goal is to set it up nicely on nixos.
<shlevy>
bgamari: Is there any of it that you think would be inappropriate to backport after we've branched?
<shlevy>
If so we can prioritize ustreaming that
<lexcomplains>
gl hf throwboy
<bgamari>
thoughtpolice, most of the changes are pretty minor (e.g. just shuffling dependencies)
<throwboy>
thx lexcomplains
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* bgamari
looks
<thoughtpolice>
bgamari: Right, that's basically what I've been doing, but that typically does imply a rebuild, the main thing is whether "rebuild" means "lots of compile time" or "rebuild this /etc file" I guess. But looking at it there are some Linux bumps, etc etc
<thoughtpolice>
bgamari: But that's all to be expected really, I guess.
<bgamari>
right, there is a fair amount of rebuilding
<bgamari>
shlevy, I'm not sure what the usual criterion for backporting is
<bgamari>
shlevy, perhaps we could try to sneak changes to things "low" in the dependency tree
<shlevy>
Do we have a way to build disk images without qemu/root?
<bgamari>
before the branch
<bgamari>
shlevy, it's a bit tricky
<gchristensen>
shlevy: talk to copumpkin :)
<bgamari>
shlevy, building sd images is currently a bit of a mess
<bgamari>
shlevy, it requires quite some headstands
<bgamari>
since you can't use root
<thoughtpolice>
We have an sdimage builder thingy here at $WORK and yes, it is weird
<shlevy>
bgamari: As a rough guide, if you're willing to bet it won't be noticeable to anyone not opting in to noticing your work then it's probably fine
<thoughtpolice>
(Ours is like quadruple-y convoluted because it's an FPGA build too, so)
<shlevy>
Ugh I'm just going to run a VM :P
<thoughtpolice>
However, honestly, you can just build the .system closure. That's what I would like to do
<Dezgeg>
there is make-ext4-fs.nix
<shlevy>
No, you know what, I'm just going to stuff everything into the initramfs until I get bgamari's stuff
<Dezgeg>
(don't look at the implementation)
<clever>
shlevy: the nixos expressions already boot a vm to make disk images
<thoughtpolice>
shlevy: For example, after this is done, there's no reason Hydra couldn't cross build, say, an armv7 NixOS .system image, right?
<Dezgeg>
better look at nixos/modules/installer/cd-dvd/sd-image.nix which uses it
<thoughtpolice>
I realize Hydra is a pretty sacred resource, but having at least *one* thing to CI would be good
<clever>
thoughtpolice: the biggest problem with any cross-compile in nix, is that it has a different hash from a native compile
<bgamari>
perhaps I'll quickly try rebasing
<shlevy>
thoughtpolice: Right
<clever>
thoughtpolice: so nix-env and nixos-rebuild will refuse to link against the cross-compiled libraries
<clever>
thoughtpolice: and they will want to rebuild the world, natively, on a slow arm board
<thoughtpolice>
One alternative I've considered is the one everyone else does. Which is just to qemu-system emulate full machines and put them on a local network.
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<clever>
thoughtpolice: qemu-user can do that with less overhead
<thoughtpolice>
For me, the rebuild thing isn't a problem; I *want* to push the full closure manually/switch
<clever>
thoughtpolice: qemu-user just magically allows an x86-linux kernel to run arm-linux binaries
<thoughtpolice>
clever: Ehhh, IDK, I had some fussy problems with it for packages like Guile, last I tried.
<bgamari>
thoughtpolice, yes, guile is a sticking point
<thoughtpolice>
Oh I'm well aware, I've spent much time with it (especially recently) :)
<bgamari>
thoughtpolice, I had to force use of 2.0 iirc
<bgamari>
since guile 2.2 was broken
<thoughtpolice>
I simply fixed that one by just adding a quick armv7 builder to my /etc/nix/remote-systems.conf
<bgamari>
shlevy, because there are plenty of packages low in the dependency tree with rather blatant bugs with respect to cross
<thoughtpolice>
Well, I guess the question is, "why isn't every compile a cross compile for all supported architectures". It's a good question because, in theory, there's nothing seemingly "about" a compiler that requires it to care about dirty specifics. It's tricky in detail.
<gchristensen>
thank you
<bgamari>
shlevy, that requiring working around
<Dezgeg>
e.g. anything that uses help2man to build manpages won't be able to build manpages when cross building
<bgamari>
autotools doesn't make cross easy
<Dezgeg>
because it works like "./foo --help | help2man > man.1" or something
<shlevy>
bgamari: Ah, OK, yeah. I thought you were saying from a compiler fundamentals perspective
<bgamari>
it's better than most of the alternatives, but it's still terrible
<thoughtpolice>
bgamari: Anyway, some of these commits are deja vu for me because I'm pretty sure I patched some similar stuff.
<shlevy>
Dezgeg: That's fine, we already have to handle the concept of native vs target dependencies
<clever>
Dezgeg: it would need to put help2man in the nativeBuildInputs, so nix knows to provide the right build of help2man
<Dezgeg>
also all those random autoconf try-to-compile-and-run checks, like "does this platform have working getcwd()" where you can't run the checks when cross-building, thus get a random answer when cross-compiling
<shlevy>
Unless it's intentional that you're not supporting it, which is probably a good idea actually
<gchristensen>
uhh
<gchristensen>
did someone merge some IFD?
<gchristensen>
we should revert that
<Dezgeg>
probably there shouldn't be IFD in nixpkgs
<gchristensen>
yeah, master is busted...
<Profpatsch>
gchristensen: What’s IFD?
<shlevy>
There shouldn't be IFD for top-level eval
<shlevy>
import from derivation
<Profpatsch>
Ah
<gchristensen>
it is intentionally not supported
<infinisil>
shlevy: but it should be fine where hydra doesn't evaluate it?
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<shlevy>
gchristensen: if OfBorg were in C++ you could catch the InvalidPathError and have a nice message :P
<shlevy>
infinisil: Yeah
<gchristensen>
nice :)
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<infinisil>
Would it be alright to have a `latest` passthru for packages that uses IFD to build from master or something like this?
<Profpatsch>
shlevy: Isn’t the nix API exported as C interface anyway? For the Perl bindings?
<shlevy>
Profpatsch: The perl bindings use C++
<Profpatsch>
Ah, ok.
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<NixOS_GitHub>
[nixpkgs] grahamc pushed 1 new commit to master: https://git.io/vABUP
<NixOS_GitHub>
nixpkgs/master 4419a31 Graham Christensen: Revert "jekyll: Update the dependencies"...
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<shlevy>
But anyway, this is specifically a C++ exception
<gchristensen>
shlevy: maybe a `sys` FFI crate for Nix :)
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<Profpatsch>
Well, it shouldn’t be too hard to create a C++ executable that wraps this exception, right?
<Profpatsch>
Or in the extreme case patch it into the ofborg nix.
<lexcomplains>
simpson, you asking good questions and making sensible statements. > how do you think any of us learned Nix? - tbh, I think some solid % of core community contributors, learned Nix by working directly with people who invented nix, for companies who sponsor nix marked expansion. because otherwise how any one like me could get productive with a language that lacks javadoc\python-doc like API & stdlib refference. I don't want to hur
<shlevy>
Profpatsch: Sure, hydra has its own evaluator instead of nix-instantiate too
<shlevy>
gchristensen: We should have an ofborg on-call rota and let trusted people send an alert :)
<shlevy>
gchristensen: You have to swoop in way too often
<gchristensen>
yeah!
<gchristensen>
__soon__ I'll be able to send a proper page when master fails to evaluate
<lexcomplains>
simpson, nixOs has selling points for me, and advantages, I admit. but If I point to flaws, I want people to agree and admit flaws. or engage in construtive factual based arguing
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<dtz>
ty grahamc and everyone else ^_^
<shlevy>
nice :)
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<gchristensen>
thanks for the ping :)
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<NixOS_GitHub>
[nixpkgs] jonafato opened pull request #35197: gnomeExtensions.battery-status: init at v6 (master...gnome-shell-extension-battery-status-6) https://git.io/vABTP
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<gchristensen>
actually, I went ahead and added the status check: https://nix.ci/status
<srhb>
Does anyone know of a module that exposes a helper function to create values for its options? I'm wondering where to put such a thing and how to expose it.
<srhb>
Preferably without exporting a bare path.
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<srhb>
I can stick it in pkgs somewhere of course, but that's a bit sad.
<Profpatsch>
gchristensen: Why is it that the eval check always takes the longest?
<Profpatsch>
Shouldn’t eval succeed even before the package can begin to build?
<gchristensen>
Profpatsch: the "beginning evaluations"?
<Profpatsch>
yeah
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<NixOS_GitHub>
[nixpkgs] dotlambda opened pull request #35198: python: updates and fixes (staging...python) https://git.io/vABTd
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<gchristensen>
I should probably add more info, but "beginning evaluations" means it is running the grahamcofborg-eval-* things
<bgamari>
dtz, you have been quite busy!
<bgamari>
I hadn't realized just how many patches you managed to upstream
<LnL>
yeah, that's what it looks like in my client :p
<dtz>
teehee ty
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<gchristensen>
complicated, when do we start doing cross rebuild estimates, musl estimates, eval checks, etc. for all these combinations
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<gchristensen>
we're gonna need a bigger boat
<LnL>
we're going to have to split/distribute evals then
<clever>
LnL: i have an idea i was thinking of, allowing nix to use threads to speed up an eval
<dgpratt>
well this is strange and unfortunate: I'm running NixOS in a VirtualBox VM and when I connect a monitor to the host machine, the graphical environment of the VM goes all wonky (this is more a lament than a request for help -- of all the things it could be, NixOS itself would be a very unlikely culprit)
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<srhb>
dgpratt: I've given up on VirtualBox... Too many weird issues like that. Though I guess that doesn't help much :)
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<samueldr>
oracle too has given up on virtualbox
<clever>
i still use it when i need to run a windows VM on my laptop
<clever>
but there is not hot-plugging of monitors, so i havent noticed the above issue
<clever>
the guest tools work surprisingly well, resizing the virtual gpu to match the window size and syncing the clipboard
<disasm>
kvm/qemu if I have to touch windows :)
<hask_bee_3>
On my local machine, I have a particular nixpkgs revision. Question: How do I find out the corresponding commit (SHA-1) in the repository https://github.com/NixOS/nixpkgs ?
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<clever>
disasm: qemu doesnt support dynamically changing the resolution of the guest gpu so seamlessly
<disasm>
got tired for recompiling virtualbox every change to include vmtools on nixos. And no licensing issues :)
<clever>
hask_bee_3: what is the absolute path to that nixpkgs?
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<disasm>
clever: I use spice with the guest additions
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<clever>
disasm: hmmm, i should look into those...
<disasm>
the scale mode with remmina works well :)
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<NixOS_GitHub>
[nixpkgs] rnhmjoj closed pull request #35064: nixos/networking: start dhcpcd even when defaultGateway6 is set (master...dgw) https://git.io/vAWZG
<niksnut>
this takes me back to the bad old days when we built part of the initrd and bootstrap tools using dietlibc and klibc
<hask_bee_3>
clever, so nixpkgs-unstable is the safest channel to use to build Mac/Linux cross platform programs?
<niksnut>
so you needed adhoc patches everywhere
<gchristensen>
scary
<clever>
hask_bee_3: yeah, that should be fine
<hask_bee_3>
ok thank you
<gchristensen>
this musl support seems more separate, more akin to the architecture
<LnL>
clever: have you seen the recent memoize?
<dtz>
musl is quite a bit better--alpine uses it, for example, as a pretty significant example of suitability. But also musl fixes are almost always fixing broken code, so everyone wins O:). Recent glibc has become more posix-enforcing as well so that helps too-- quite fewer patches than previously would be needed.
<clever>
LnL: nope
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<JonReed>
Hi guys, what is the state of SeLinux on Nixos? Is it possible to run it?
<clever>
LnL: memoise looks simple, but you have to insert it everywhere you want gains, one of the other ideas i had was to alter the parser, to just memoize everything
<niksnut>
it would not be hard to add a parallelMap on top of that
<clever>
niksnut: my idea, was to treat parallelMap similar to trace, you give it a list of thunks that you forceValue, like: map (x: x.config.system.build.toplevel) systems
<clever>
niksnut: and also something to actually return, just: systems
<clever>
so it can fully resolve the toplevel derivation, but still return the entire tree, if you wish to do more complex things later on in the expression
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<NixOS_GitHub>
[nix] edolstra pushed 1 new commit to master: https://git.io/vABmC
<clever>
niksnut: looks like you already found a lot of edge cases i hadnt thought about, my initial idea was to just tweak the forceValue implementation so it wouldnt falsely detect another thread's blackhole
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<NixOS_GitHub>
[nixpkgs] primeos opened pull request #35199: [CI-test] jekyll: Update the dependencies (master...jekyll) https://git.io/vABOo
<sphalerite_>
fun fact: building 6 gccs on a scaleway C1 takes a while
<samueldr>
a while is around how many hours?
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<sphalerite_>
idk, started this morning (12h ago)
<sphalerite_>
not done yet
<gchristensen>
jeeze, lucky you don't have timeouts
<sphalerite_>
the actual thing I'm trying to work out is which commit broke attr on ARM
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<i-am-the-slime>
the user image worked out
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<i-am-the-slime>
wow there's even a video with a video background for the lockscreen on the page you linked to
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<dtz>
sphalerite_: are you sure it's broken? aarch64 builder only today (I think?) got the /bin/sh fix (err, un-break :P) needed to successfully build attr
<dtz>
sphalerite_: if it still seems broken, info/link would be appreciated!
<samueldr>
last time I played around with SDDM customizations (on 17.03) the QML/qtquick(?) wasn't built with what was needed for (at least webm) vides to run
<sphalerite_>
dtz: was it a getopts-related thing?
<i-am-the-slime>
ah :(
<samueldr>
haven't resurrected my work since I migrated to auto-login and starting i3lock on session start
<i-am-the-slime>
samueldr: I'm happy doing that
<i-am-the-slime>
with slock
<samueldr>
(I don't see sddm anymore)
<i-am-the-slime>
But I don't know how
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<i-am-the-slime>
Where do you run i3lock?
<i-am-the-slime>
There are so many .X files
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<i-am-the-slime>
It's like the X-Files to me.
<dtz>
i forget, I know attr was an early example of why we needed more features in /bin/sh
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<sphalerite_>
i-am-the-slime: hah
<sphalerite_>
dtz: seems weird to me that this would only cause failure on ARM though?
<samueldr>
i-am-the-slime: depends on whether you run with a graphical session like kde or xfce or if you've written your own .xsession
<samueldr>
for the former (xfce, kde) use their own systems to auto-start software
<samueldr>
and for the latter, add your locker (with &) early
<dtz>
sphalerite_: been seeing it for a good while, promise that's what it is. Other builders were experiencing such mass failures I guess they were updated more quickly. Or maybe they're updated more often regardless, idk. :).
<i-am-the-slime>
I have an ~/.xinitrc at least
<sphalerite_>
dtz: good to know
<sphalerite_>
dtz: thanks!
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<dtz>
sphalerite_: it was... unclear that there was an issue and how to fix it, needed to update both nix version and nixpkgs or maybe just one depending.. :)
<dtz>
and was probably the largest instance of "why does it build for me but not you" I've ever seen in Nix, haha, you're not alone in being a bit startled :)
<sphalerite_>
ah ok
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<NixOS_GitHub>
[nix] dezgeg opened pull request #1884: libexpr: Don't create lots of temporary strings in Bindings::lexicographicOrder (master...string-temps) https://git.io/vABZC
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<phry>
Hi there :)
<phry>
I'm trying to build a derivation for a Firefox Native Messaging Host Application and could need some help.
<phry>
The thing is: firefox looks for these host applications in the specific path /usr/lib/mozilla/native-messaging-hosts - but I have no idea how my derivation can write to that path so that it is visible for Firefox. Can someone help me with that? :)
<phry>
sphalerite_: I don't think I can get FF to look elsewhere (except for $HOME/.mozilla/native-messaging-hosts/ which I guess will share the same problems) without changing the FF source :/
<NixOS_GitHub>
nix/master 056d28a Tuomas Tynkkynen: libexpr: Don't create lots of temporary strings in Bindings::lexicographicOrder...
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<NixOS_GitHub>
[nix] shlevy closed pull request #1884: libexpr: Don't create lots of temporary strings in Bindings::lexicographicOrder (master...string-temps) https://git.io/vABZC
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<phry>
and yes, of course I can add a symlink to the path in the homedir, but I guess that defeats the purpose of wrinting a derivation in the first place :/
<sphalerite_>
no, that won't help either ebcause of the build sandbox stuff
<sphalerite_>
it wouldn't actually be visible to the builder
<phry>
it doesn't need it at build time, just at runtime if that makes any difference
<phry>
uh, nifty. I was looking for passff, but forgot about browserpass
<symphorien>
otherwise, a moderately ugly way is to make a wrapper of firefox creating the symlink in the home before execing firefox
<gem>
Hey
<symphorien>
that's standard for systemd service to create there respective /var/lib stuff
<phry>
okay, thanks for the info :)
<phry>
I guess I'll try to replicate what browserpass is doing here, if that actually works I was just off by two folders :)
<symphorien>
(using execStartPre)
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<phry>
hrm. I fear the browserpass approach isn't event working with browserpass for me :/
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<phry>
and of course, there's an open issue for that xD gonna dig deeper :)
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<sphalerite_>
dtz: not quite sure I understand what I need to do to get this working. The branch I'm running off has #35016 merged in it but AFAIU I need to get a newer nix..? but to get a newer nix I need to build from there which I can't because I don't ahve the newer nix?
<dtz>
lol it sounds like you got it just right :P:P
<sphalerite_>
do I need to use 1.11.x?
<dtz>
although I think just using a sufficiently recent nixpkgs cures things?
<sphalerite_>
how recent is sufficiently recent? is current nixos-unstable recent enough?
<dtz>
might need to temporarily use nix "stable" with sufficiently new nixpkgs
<dtz>
since if you already have a broken-ish nix-unstable it can't build busybox so you can't build your way out
<sphalerite_>
right
<sphalerite_>
trying that, thanks
<dtz>
uhhh I think so? This is a few days old at least I think, but I'm not sure if unstable is one some strange dry spell
<dtz>
oh okay, great, I was gonna try to check :). GL sir!
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<dtz>
lol but don't use master since nixUnstable doesn't build there currently :D:D
<dtz>
O:)
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<deepfire>
peti, hello!
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<NixOS_GitHub>
nixpkgs/master 521ffc2 Michael Weiss: jekyll: Update the dependencies without breaking the evaluation...
<NixOS_GitHub>
[nixpkgs] primeos pushed 1 new commit to master: https://git.io/vABc5
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<throwup>
can I set nix to only use a certain amount of resources? my cpu just got unconfortably hot while trying to install some python packages
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<symphorien>
if you use the daemon, systemd has probably facilities to do that
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<thoughtpolice>
shlevy: d1cb2ee899c397d76c7f9617c512e635f92c0641 breaks nixos-install it seems
<throwup>
gchristensen: I just found that, I think it will do the job.
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<NixOS_GitHub>
[nixpkgs] shlevy pushed 1 new commit to master: https://git.io/vABlo
<NixOS_GitHub>
nixpkgs/master bd7d5b3 Shea Levy: linux: Don't try to install firmware on newer kernels....
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<throwup>
does anyone here know why nix would suddenly eat up so much CPU? I just wanted to install python + some modules
<sphalerite_>
dtz: alright, thanks for letting me know :) also, nix 1.11.x doesn't seem to want to build attr from nixos-unstable either
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<NixOS_GitHub>
[nixpkgs] dotlambda opened pull request #35204: pythonPackages.pypandoc: mark as broken (master...pypandoc) https://git.io/vAB8O
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<cransom>
throwup: it's compiling if the derivations you are installing are not in cache
<dtz>
sphalerite_: allvm-tools are now public, but the "main" nixpkgs part isn't just yet. working on it! Tools aren't all that useful without the rest but.. it's not entirely vaporware! :D
<dtz>
o_O
<dtz>
...sandbox is enabled, right? O:)
<throwup>
cransom: but I have previously compiled stuff (prop drivers) on this machine on nixos with normal temps.
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<sphalerite_>
dtz: yep
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<throwup>
maybe it's because of all the tests the python packages want to run?
<sphalerite_>
dtz: and awesome! where do I find it?
<throwup>
so I've just been trying to install python (+ packages) with "nix-env -if default.nix". This is taking unexpectedly long (everything is compiled). Is this expected or am I doing something wrong?
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<gchristensen>
please paste your default.nix
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<genesis>
nix is very fast comparing gentoo portage ...
<infinisil>
genesis: wait, from reading a bit, is gentoo's portage a 100% stateful package manager? As in you run commands to add dependencies and instructions or something like that?
<throwup>
sorry for the strange formatting
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<gchristensen>
throwup: next time, please use a pastebin. can you paste to a pastebin (like http://nixpaste.lbr.uno/) the output of the nix-env command?
<simpson>
infinisil: It's a ports-tree-based-tool which modifies the state of / directly, yes.
<throwup>
gchristensen: sure
<genesis>
was inspiring from bsd port
<infinisil>
So no files it generates? The packages are managed only through this emerge tool?
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<simpson>
There's an on-disk database. /var/portage/why-cant-i-forget-how-to-gentoo
<genesis>
it's very similar, in his thesis on nix, the authors refer at gentoo at many points
<infinisil>
similar to nix?
<genesis>
yes
<infinisil>
this doesn't sound similar to nix at all, maybe I'm misunderstanding
<genesis>
it's old, gentoo inspired openembedded that is more similar in the way it produce recipe not on / but in a target
<simpson>
infinisil: The pattern of hacking on a ports tree is extremely similar, as is the concept of building from source and referring directly to upstream tarballs, which are then locally patched and configured to point to Gentoo-controlled libraries.
<throwup>
gchristensen: did I mess up something there?
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<genesis>
but gentoo has never build a real infrastructure for binaries.
<infinisil>
simpson: Hmm I see
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<gchristensen>
throwup: can you paste the output from when you run nix-env -if ./default.nix
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<genesis>
the main interest with nix is that quite everything is derivation
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<genesis>
when gentoo has only a subset of things derivable through USE flags and custom configuration
<genesis>
and when you write ebuild, you can easily forget dependancies if you have them ...
<throwup>
gchristensen: it does only output that it replaces the old package atm, because its already installed and has no changes applied to it.
<gchristensen>
and it uses a lot of CPU to do that?
<infinisil>
throwup: Try `nix-shell -p '(import <nixpkgs>{}).python35.withPackages (ps: with ps; [ numpy toolz matplotlib pylint ])'` just to see
<throwup>
gchristensen: no, only when it actually installed new modules/packages.
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<throwup>
gchristensen: practically no startup time, because the packages are cached now (if that's how it works)
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<gchristensen>
ah
<fragamus>
hi i have a question: when using stack2nix is it advisable to maintain the stack side and use stack2nix as a conversion for builds on nix or should one maintain the project on the nix end of things
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<throwup>
ah?
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<infinisil>
fragamus: keep using stack2nix, you don't want to update the generated file manually..
<fragamus>
ok cool
<gchristensen>
samueldr: can you update that PR graph?
<gchristensen>
samueldr: and maybe show just the last 6mo, zoomed in?
<LnL>
oh, what's that? :)
<gchristensen>
its a graph of PRs over time, merged / unmerged
<gchristensen>
I forget the URL
<samueldr>
gchristensen: I'm starting the script (remotely), then when I'm back home (30-45 mins) I can send you the raw gnumeric with the dubious graphs
<throwup>
gchristensen: sorry if I'm being annoying , but have you found out something?
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<gchristensen>
throwup: I have nothing to tell you
<clever>
fragamus: i also prefer always building with nix, and just basically ignoring stack entirely
<gchristensen>
sorry
<infinisil>
clever: stack pretty much doesn't work with putting it in the store with nix-build, because it needs to fetch and build every dependency every time
<throwup>
gchristensen: ok, thanks for trying to help anyways!
<infinisil>
so that's why I'm trying to stay away from it too
<fragamus>
ok i thought everybody was embracing stack
<infinisil>
fragamus: not on nix
<clever>
infinisil: also, stack leaves things linking into the store in .stack-work, and then garbage collection breaks builds
<fragamus>
are we giving anything up when we ditch stack
<gchristensen>
dalaing: import from derivation isn't permitted in restricted mode / hydra
<clever>
fragamus: the ghc flags in the stack file are ignored
<fragamus>
nixos is so cool i want to be on nixos
<infinisil>
fragamus: Just Do It!
<gchristensen>
dalaing: (import "${path}/lib") <- this is importing from derivation I think
<fragamus>
I'LL DO IT!!!!
<dalaing>
gchristensen: sure, I'm seeing the same error from a different usage though
<gchristensen>
dalaing: ok, how do you get it?
<dalaing>
basically, anything that uses cabal2nix is throwing that error
<dalaing>
anything using cabal2nix seems to be dying
<dalaing>
which is most of our stuff
<dalaing>
is there a way to turn off restricted mode?
<fragamus>
clever: can you give me a list of packages to put into my configuration.nix
<clever>
dalaing: cabal2nix should work fine, its callCabal2nix that causes the issue
<dalaing>
I've tried winding back hydra, but it's tied to whatever nixUnstable was in the tree at the time and I'm struggling to wind that back appropriately
<clever>
fragamus: in general, you shouldnt put development stuff into configuration.nix, but open a nix-shell with them
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<LnL>
dalaing: you can rollback both
<dalaing>
ah, ok
<fragamus>
ok I know how to do that, but what packages
<dalaing>
I've tried, struggling to wind back nixUnstable
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<clever>
fragamus: nix-shell -p stack2nix, then use it to generate a default.nix, and leave that shell, then you can just nix-build -A project, to build a given cabal project inside the stack project
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<LnL>
dalaing: try let old = import /src/nixpkgs {}; in { services.hydra.package = old.hydra; }
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<dalaing>
the error is from before I realised that I had to wind back nixUnstable as well
<Guanin_>
Hi, I'm still moving my server to nixOS - Is there a way to reuse my raid correctly? it is a group of 11 luks devices, and inside them is a mdadm raid. How do I unlock them with a keyfile and mount the raid afterwards?
<LnL>
yeah packageOverrides will only rollback one, importing an entire older package set will use the older versions of everything
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<clever>
Guanin_: to start with, you will want to manually unlock all 11 luks devices, and assemble the mdadm raid, then mount it to the right spot under /mnt/, and run nixos-generate-config --root /mnt/
<dalaing>
ah, cool - I was mentally preparing myself for much messier surgery :)
<clever>
Guanin_: then read the config it generates in /mnt/etc/nixos/, it configures some of it for you
<Guanin_>
I'm already on an installed system, is --show-hardware-config sufficient?
<clever>
Guanin_: but luks isnt auto-detected, youll need to add something like this to configuration.nix: ....
<LnL>
dalaing: it's possible you might also need to set nix.package, but just hydra is probably enough
<clever>
Guanin_: of what OS?
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<NixOS_GitHub>
[nixpkgs] jcrben opened pull request #35206: Remove Xfce-specific display manager tip (master...patch-1) https://git.io/vABEV
<dalaing>
I can't find an existing issue for callCabal2Nix / hydra colliding in this way - should I create one?
<Guanin_>
I already installed nixOS
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<clever>
Guanin_: a configuration.nix entry like this, says that nvme0n1p2 is a luks device, it should be opened under the name root, and it should be opened before lvm is initialized
<clever>
Guanin_: you will need to fill that list with every luks device you have
<clever>
Guanin_: ah, is the raid array entirely seperate from the nixos root fs?
<dalaing>
LnL: thanks heaps :)
<clever>
dalaing: id say yes, ive also run into the same issue last week
<clever>
dalaing: the key detail, is that all import from derivation is broken in hydra evals
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<LnL>
thought there already was an issue
<LnL>
but I might be wrong
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<sphalerite_>
I'm trying to debug nix using gdb and I've added `set debug-file-directory ~/.nix-profile/lib/debug` as suggested in the nixpkgs manual (separateDebugInfo) but I'm still getting Reading symbols from nix-store...(no debugging symbols found)...done.
<sphalerite_>
Any ideas?
<sphalerite_>
~/.nix-profile/lib/debug does contain appropriate debug symbols AFAICT
<clever>
sphalerite_: last time i delt with that, i had to manually add the right storepaths to the search path
<clever>
sphalerite_: but i did want to also make a plugin, that could mess with nix-store -q, to find the debug for any given binary, and fetch that debug off cache.nixos.org automatically
<jsgrant_>
clever: Oneshot seems to have worked; Ty.
* jsgrant_
gave up on that ultrabook for now; One of my desktops & one laptop is fine for now. ;^)
<sphalerite_>
clever: in this case I'm debugging nix with your build-extra-platforms patch so it was built locally anyway, including the debug symbols
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<sphalerite_>
so they're definitely there and it should be simple really
<clever>
sphalerite_: id try passing an absolute path and see what happens
<Guanin_>
clever, yes, the raid is seperate from the root fs
<clever>
Guanin_: ahh, one min then
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<Guanin_>
As far as I can see, it is supported to do luks with keyfile decryption inside a mdadm device, but not the other way round
<sphalerite_>
aaaah got it
<sphalerite_>
clever: turns out the debugging symbols weren't in the profile after all
<clever>
sphalerite_: ah, thats probably meta.outputsToInstall i think
<sphalerite_>
fun fact, nix-env -iA nixUnstable{,.debug} will *not* make the two outputs coexist peacefully…
<clever>
Guanin_: that will cause nixos to open the luks devices within the initrd, while booting
<clever>
sphalerite_: ive already seen users run into that problem when they try to install .dev to get headers working :P
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<Guanin_>
clever, but as far as I tried it so far, boot.initrd.luks will only open the luks devices but not mount the file systems, so the keyfile is not available, as it resides in the fs of /
<angerman>
clever: feel free to ping me around here as well if you want to highlight something :-)
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<clever>
angerman: sure
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<clever>
Guanin_: ah, yeah, this all happens before nixos begins mounting things
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<Guanin_>
I guess it might be a suitable approach to create a luks lv, fill it from /dev/urandom and add the block device as a keyfile for the raid?
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<clever>
Guanin_: it looks like nixos doesnt have much support right now for opening luks devices unrelated to the rootfs, or opening things with keyfiles
<Guanin_>
ah, I meant lvm lv
<clever>
Guanin_: simplest thing i can think of, is to create a systemd service that opens things after the machine has booted
<clever>
Guanin_: and just throw a wall of bash at it
<Guanin_>
Mh, at least the bash line is already done - I'm using it to mount the raid at the moment
<clever>
jsgrant_: can you gist that systemd one-shot service for Guanin_?
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<ottidmes>
Is there an equivalent for concatLists for attrsets? I know how to implement it, but I was wondering if I somehow missed this particular function when reading lib/attrsets.nix
<Guanin_>
But as far as I understand the option that I set there, it should be a string?
<clever>
ottidmes: // will merge the set without recursion
<clever>
Guanin_: try + instead of ++
<sphalerite_>
Guanin_: ++ is for lists, use +
<sphalerite_>
damn, too slow :p
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<sphalerite_>
Guanin_: you can also use antiquotation like "${part}_crypt", "/dev/${part}"
<clever>
Guanin_: also, you could do "sd${letter}1" and then drop the 'sd' and '1' from the list on 15
<Guanin_>
I need a moment to test it, because my network is pretty unreliable right now
<Guanin_>
Thanks for the hints, that seems reasonable :)
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<sphalerite_>
Guanin_: you may also want to consider not using letters, but stable ids for the disks as found in /dev/disk/by-id, as they may vary according to the phase of the moon
<gem>
Hey!
<Guanin_>
Yes, that is also a thing I should keep in mind, but right now it is stable so far (as all sd* are part of the same raid, with the same keyfile)