469 lines
17 KiB
Nix
469 lines
17 KiB
Nix
{
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description = "The purely functional package manager";
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11-small";
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nixpkgs-regression.url = "github:NixOS/nixpkgs/215d4d0fd80ca5163643b03a33fde804a29cc1e2";
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pre-commit-hooks = {
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url = "github:cachix/git-hooks.nix";
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flake = false;
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};
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flake-compat = {
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url = "github:edolstra/flake-compat";
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flake = false;
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};
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};
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outputs =
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{
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self,
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nixpkgs,
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nixpkgs-regression,
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pre-commit-hooks,
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flake-compat,
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}:
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let
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inherit (nixpkgs) lib;
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# This notice gets echoed as a dev shell hook, and can be turned off with
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# `touch .nocontribmsg`
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sgr = ''['';
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freezePage = "https://wiki.lix.systems/books/lix-contributors/page/freezes-and-recommended-contributions";
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codebaseOverview = "https://wiki.lix.systems/books/lix-contributors/page/codebase-overview";
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contribNotice = builtins.toFile "lix-contrib-notice" ''
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Hey there!
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If you're thinking of working on Lix, please consider talking to us about it!
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You should be aware that we are ${sgr}1mnot${sgr}0m accepting major features without some conditions,
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and we highly recommend looking at our freeze status page on the wiki:
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${sgr}32m${freezePage}${sgr}0m
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We also have an overview of the codebase at
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${sgr}32m${codebaseOverview}${sgr}0m,
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and other helpful information on the wiki.
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But above all else, ${sgr}1mwe want to hear from you!${sgr}0m
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We can help you figure out where in the codebase to look for whatever you want to do,
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and we'd like to work together with all contributors as much as possible.
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Lix is a collaborative project :)
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You can open an issue at https://git.lix.systems/lix-project/lix/issues
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or chat with us on Matrix: #space:lix.systems.
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(Run `touch .nocontribmsg` to hide this message.)
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'';
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officialRelease = false;
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# Set to true to build the release notes for the next release.
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buildUnreleasedNotes = false;
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version = lib.fileContents ./.version + versionSuffix;
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versionSuffix =
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if officialRelease then
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""
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else
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"pre${
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builtins.substring 0 8 (self.lastModifiedDate or self.lastModified or "19700101")
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}_${self.shortRev or "dirty"}";
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linux32BitSystems = [ "i686-linux" ];
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linux64BitSystems = [
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"x86_64-linux"
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"aarch64-linux"
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];
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linuxSystems = linux32BitSystems ++ linux64BitSystems;
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darwinSystems = [
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"x86_64-darwin"
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"aarch64-darwin"
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];
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systems = linuxSystems ++ darwinSystems;
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crossSystems = [
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"armv6l-linux"
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"armv7l-linux"
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"x86_64-freebsd13"
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"x86_64-netbsd"
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];
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stdenvs = [
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"gccStdenv"
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"clangStdenv"
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"stdenv"
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"libcxxStdenv"
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"ccacheStdenv"
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];
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forAllSystems = lib.genAttrs systems;
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# Same as forAllSystems, but removes nulls, in case something is broken
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# on that system.
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forAvailableSystems =
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f: lib.filterAttrs (name: value: value != null && value != { }) (forAllSystems f);
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forAllCrossSystems = lib.genAttrs crossSystems;
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forAllStdenvs =
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f:
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lib.listToAttrs (
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map (stdenvName: {
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name = "${stdenvName}Packages";
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value = f stdenvName;
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}) stdenvs
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);
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# Memoize nixpkgs for different platforms for efficiency.
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nixpkgsFor = forAllSystems (
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system:
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let
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make-pkgs =
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crossSystem: stdenv:
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import nixpkgs {
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localSystem = {
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inherit system;
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};
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crossSystem =
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if crossSystem == null then
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null
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else
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{
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system = crossSystem;
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}
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// lib.optionalAttrs (crossSystem == "x86_64-freebsd13") { useLLVM = true; };
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overlays = [
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(overlayFor (p: p.${stdenv}))
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(final: prev: { nixfmt = final.callPackage ./nix-support/nixfmt.nix { }; })
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];
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config.permittedInsecurePackages = [ "nix-2.13.6" ];
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};
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stdenvs = forAllStdenvs (make-pkgs null);
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native = stdenvs.stdenvPackages;
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in
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{
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inherit stdenvs native;
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static = native.pkgsStatic;
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cross = forAllCrossSystems (crossSystem: make-pkgs crossSystem "stdenv");
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}
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);
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binaryTarball =
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nix: pkgs: pkgs.callPackage ./nix-support/binary-tarball.nix { inherit nix version; };
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overlayFor =
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getStdenv: final: prev:
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let
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currentStdenv = getStdenv final;
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in
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{
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nixStable = prev.nix;
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# Forward from the previous stage as we don’t want it to pick the lowdown override
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nixUnstable = prev.nixUnstable;
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check-headers = final.buildPackages.callPackage ./maintainers/check-headers.nix { };
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clangbuildanalyzer = final.buildPackages.callPackage ./misc/clangbuildanalyzer.nix { };
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default-busybox-sandbox-shell = final.busybox.override {
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useMusl = true;
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enableStatic = true;
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enableMinimal = true;
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extraConfig = ''
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CONFIG_FEATURE_FANCY_ECHO y
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CONFIG_FEATURE_SH_MATH y
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CONFIG_FEATURE_SH_MATH_64 y
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CONFIG_ASH y
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CONFIG_ASH_OPTIMIZE_FOR_SIZE y
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CONFIG_ASH_ALIAS y
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CONFIG_ASH_BASH_COMPAT y
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CONFIG_ASH_CMDCMD y
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CONFIG_ASH_ECHO y
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CONFIG_ASH_GETOPTS y
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CONFIG_ASH_INTERNAL_GLOB y
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CONFIG_ASH_JOB_CONTROL y
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CONFIG_ASH_PRINTF y
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CONFIG_ASH_TEST y
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'';
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};
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nix = final.callPackage ./package.nix {
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inherit versionSuffix;
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stdenv = currentStdenv;
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busybox-sandbox-shell = final.busybox-sandbox-shell or final.default-busybox-sandbox-shell;
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};
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# Export the patched version of boehmgc & libseccomp that Lix uses into the overlay
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# for consumers of this flake.
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boehmgc-nix = final.nix.boehmgc-nix;
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libseccomp-nix = final.nix.libseccomp-nix;
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# And same thing for our build-release-notes package.
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build-release-notes = final.nix.build-release-notes;
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};
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in
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{
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# A Nixpkgs overlay that overrides the 'nix' and
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# 'nix.perl-bindings' packages.
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overlays.default = overlayFor (p: p.stdenv);
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hydraJobs = {
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# Binary package for various platforms.
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build = forAllSystems (system: self.packages.${system}.nix);
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rl-next = forAllSystems (
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system:
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let
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rl-next-check =
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name: dir:
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let
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pkgs = nixpkgsFor.${system}.native;
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in
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pkgs.buildPackages.runCommand "test-${name}-release-notes" { } ''
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LANG=C.UTF-8 ${lib.getExe pkgs.build-release-notes} ${dir} >$out
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'';
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in
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{
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user = rl-next-check "rl-next" ./doc/manual/rl-next;
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dev = rl-next-check "rl-next-dev" ./doc/manual/rl-next-dev;
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}
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);
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# Perl bindings for various platforms.
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perlBindings = forAllSystems (system: nixpkgsFor.${system}.native.nix.perl-bindings);
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# Binary tarball for various platforms, containing a Nix store
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# with the closure of 'nix' package.
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binaryTarball = forAllSystems (
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system: binaryTarball nixpkgsFor.${system}.native.nix nixpkgsFor.${system}.native
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);
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# docker image with Nix inside
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dockerImage = lib.genAttrs linux64BitSystems (system: self.packages.${system}.dockerImage);
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# API docs for Nix's unstable internal C++ interfaces.
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internal-api-docs =
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let
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nixpkgs = nixpkgsFor.x86_64-linux.native;
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inherit (nixpkgs) pkgs;
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nix = pkgs.callPackage ./package.nix {
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inherit versionSuffix officialRelease buildUnreleasedNotes;
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inherit (pkgs) build-release-notes;
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internalApiDocs = true;
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busybox-sandbox-shell = pkgs.busybox-sandbox-shell;
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};
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in
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nix.overrideAttrs (prev: {
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# This Hydra job is just for the internal API docs.
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# We don't need the build artifacts here.
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dontBuild = true;
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doCheck = false;
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doInstallCheck = false;
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});
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# System tests.
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tests = import ./tests/nixos { inherit lib nixpkgs nixpkgsFor; } // {
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# Make sure that nix-env still produces the exact same result
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# on a particular version of Nixpkgs.
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evalNixpkgs =
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with nixpkgsFor.x86_64-linux.native;
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runCommand "eval-nixos" { buildInputs = [ nix ]; } ''
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type -p nix-env
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# Note: we're filtering out nixos-install-tools because https://github.com/NixOS/nixpkgs/pull/153594#issuecomment-1020530593.
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time nix-env --store dummy:// -f ${nixpkgs-regression} -qaP --drv-path | sort | grep -v nixos-install-tools > packages
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[[ $(sha1sum < packages | cut -c1-40) = 402242fca90874112b34718b8199d844e8b03d12 ]]
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mkdir $out
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'';
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nixpkgsLibTests = forAllSystems (
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system:
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import (nixpkgs + "/lib/tests/release.nix") {
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pkgs = nixpkgsFor.${system}.native;
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nixVersions = [ self.packages.${system}.nix ];
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}
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);
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};
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pre-commit = forAvailableSystems (
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system:
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let
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pkgs = nixpkgsFor.${system}.native;
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pre-commit-check = import ./misc/pre-commit.nix { inherit self pkgs pre-commit-hooks; };
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# dotnet-sdk_6, a nativeBuildInputs of pre-commit, is broken on i686-linux.
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available = lib.meta.availableOn { inherit system; } pkgs.dotnet-sdk_6;
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in
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lib.optionalAttrs available pre-commit-check
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);
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};
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# NOTE *do not* add fresh derivations to checks, always add them to
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# hydraJobs first (so CI will pick them up) and only link them here
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checks = forAvailableSystems (
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system:
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{
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binaryTarball = self.hydraJobs.binaryTarball.${system};
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perlBindings = self.hydraJobs.perlBindings.${system};
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nixpkgsLibTests = self.hydraJobs.tests.nixpkgsLibTests.${system};
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rl-next = self.hydraJobs.rl-next.${system}.user;
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rl-next-dev = self.hydraJobs.rl-next.${system}.dev;
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# Will be empty attr set on i686-linux, and filtered out by forAvailableSystems.
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pre-commit = self.hydraJobs.pre-commit.${system};
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}
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// (lib.optionalAttrs (builtins.elem system linux64BitSystems)) {
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dockerImage = self.hydraJobs.dockerImage.${system};
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}
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);
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packages = forAllSystems (
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system:
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rec {
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inherit (nixpkgsFor.${system}.native) nix;
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default = nix;
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}
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// (
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lib.optionalAttrs (builtins.elem system linux64BitSystems) {
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nix-static = nixpkgsFor.${system}.static.nix;
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dockerImage =
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let
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pkgs = nixpkgsFor.${system}.native;
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image = import ./docker.nix {
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inherit pkgs;
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tag = version;
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};
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in
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pkgs.runCommand "docker-image-tarball-${version}"
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{ meta.description = "Docker image with Nix for ${system}"; }
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''
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mkdir -p $out/nix-support
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image=$out/image.tar.gz
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ln -s ${image} $image
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echo "file binary-dist $image" >> $out/nix-support/hydra-build-products
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'';
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}
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// builtins.listToAttrs (
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map (crossSystem: {
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name = "nix-${crossSystem}";
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value = nixpkgsFor.${system}.cross.${crossSystem}.nix;
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}) crossSystems
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)
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// builtins.listToAttrs (
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map (stdenvName: {
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name = "nix-${stdenvName}";
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value = nixpkgsFor.${system}.stdenvs."${stdenvName}Packages".nix;
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}) stdenvs
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)
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)
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);
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devShells =
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let
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makeShell =
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pkgs: stdenv:
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let
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nix = pkgs.callPackage ./package.nix {
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inherit stdenv versionSuffix;
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busybox-sandbox-shell = pkgs.busybox-sandbox-shell or pkgs.default-busybox-sandbox;
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forDevShell = true;
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};
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pre-commit = self.hydraJobs.pre-commit.${pkgs.system} or { };
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in
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(nix.override {
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buildUnreleasedNotes = true;
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officialRelease = false;
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}).overrideAttrs
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(
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prev:
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{
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# Required for clang-tidy checks
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buildInputs =
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prev.buildInputs
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++ [
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pkgs.just
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pkgs.nixfmt
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]
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++ lib.optional (pre-commit ? enabledPackages) pre-commit.enabledPackages
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++ lib.optionals (stdenv.cc.isClang) [
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pkgs.llvmPackages.llvm
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pkgs.llvmPackages.clang-unwrapped.dev
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];
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nativeBuildInputs =
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prev.nativeBuildInputs
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++ lib.optional (stdenv.cc.isClang && !stdenv.buildPlatform.isDarwin) pkgs.buildPackages.bear
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# Required for clang-tidy checks
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++ lib.optionals (stdenv.cc.isClang) [
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pkgs.buildPackages.cmake
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pkgs.buildPackages.ninja
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pkgs.buildPackages.llvmPackages.llvm.dev
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]
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++
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lib.optional (stdenv.cc.isClang && stdenv.hostPlatform == stdenv.buildPlatform)
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# for some reason that seems accidental and was changed in
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# NixOS 24.05-pre, clang-tools is pinned to LLVM 14 when
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# default LLVM is newer.
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(pkgs.buildPackages.clang-tools.override { inherit (pkgs.buildPackages) llvmPackages; })
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++
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lib.optionals (lib.meta.availableOn pkgs.stdenv.hostPlatform pkgs.buildPackages.clangbuildanalyzer)
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[ pkgs.buildPackages.clangbuildanalyzer ];
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|
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src = null;
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|
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strictDeps = false;
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||
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shellHook = ''
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PATH=$prefix/bin:$PATH
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unset PYTHONPATH
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export MANPATH=$out/share/man:$MANPATH
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|
||
# Make bash completion work.
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XDG_DATA_DIRS+=:$out/share
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|
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${lib.optionalString (pre-commit ? shellHook) pre-commit.shellHook}
|
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# Allow `touch .nocontribmsg` to turn this notice off.
|
||
if ! [[ -f .nocontribmsg ]]; then
|
||
cat ${contribNotice}
|
||
fi
|
||
|
||
# Install the Gerrit commit-msg hook.
|
||
# (git common dir is the main .git, including for worktrees)
|
||
if gitcommondir=$(git rev-parse --git-common-dir 2>/dev/null) && [[ ! -f "$gitcommondir/hooks/commit-msg" ]]; then
|
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echo 'Installing Gerrit commit-msg hook (adds Change-Id to commit messages)' >&2
|
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mkdir -p "$gitcommondir/hooks"
|
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curl -s -Lo "$gitcommondir/hooks/commit-msg" https://gerrit.lix.systems/tools/hooks/commit-msg
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chmod u+x "$gitcommondir/hooks/commit-msg"
|
||
fi
|
||
unset gitcommondir
|
||
'';
|
||
}
|
||
// lib.optionalAttrs (stdenv.buildPlatform.isLinux && pkgs.glibcLocales != null) {
|
||
# Required to make non-NixOS Linux not complain about missing locale files during configure in a dev shell
|
||
LOCALE_ARCHIVE = "${lib.getLib pkgs.glibcLocales}/lib/locale/locale-archive";
|
||
}
|
||
);
|
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in
|
||
forAllSystems (
|
||
system:
|
||
let
|
||
makeShells =
|
||
prefix: pkgs:
|
||
lib.mapAttrs' (k: v: lib.nameValuePair "${prefix}-${k}" v) (
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forAllStdenvs (stdenvName: makeShell pkgs pkgs.${stdenvName})
|
||
);
|
||
in
|
||
(makeShells "native" nixpkgsFor.${system}.native)
|
||
// (makeShells "static" nixpkgsFor.${system}.static)
|
||
// (forAllCrossSystems (
|
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crossSystem:
|
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let
|
||
pkgs = nixpkgsFor.${system}.cross.${crossSystem};
|
||
in
|
||
makeShell pkgs pkgs.stdenv
|
||
))
|
||
// {
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||
default = self.devShells.${system}.native-stdenvPackages;
|
||
}
|
||
);
|
||
};
|
||
}
|