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{
description = "Userspace tools for bcachefs";
# Nixpkgs / NixOS version to use.
inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
inputs.utils.url = "github:numtide/flake-utils";
inputs.filter.url = "github:numtide/nix-filter";
outputs = { self, nixpkgs, utils, filter, ... }@inputs:
let
# System types to support.
supportedSystems = [ "x86_64-linux" ];
in
{
version = "${builtins.substring 0 8 self.lastModifiedDate}-${self.shortRev or "dirty"}";
overlay = import ./nix/overlay.nix inputs;
nixosModule = self.nixosModules.bcachefs;
nixosModules.bcachefs = import ./rust-src/mount/module.nix;
nixosModules.bcachefs-enable-boot = ({config, pkgs, lib, ... }:{
# Disable Upstream NixOS Module when this is in use
disabledModules = [ "tasks/filesystems/bcachefs.nix" ];
# Import needed packages
nixpkgs.overlays = [ self.overlay ];
# Add bcachefs to boot and kernel
boot.initrd.supportedFilesystems = [ "bcachefs" ];
boot.supportedFilesystems = [ "bcachefs" ];
});
nixosConfigurations.netboot-bcachefs = self.systems.netboot-bcachefs "x86_64-linux";
systems.netboot-bcachefs = system: (nixpkgs.lib.nixosSystem {
inherit system; modules = [
self.nixosModule
self.nixosModules.bcachefs-enable-boot
("${nixpkgs}/nixos/modules/installer/netboot/netboot-minimal.nix")
({ lib, pkgs, config, ... }: {
# installation disk autologin
services.getty.autologinUser = lib.mkForce "root";
users.users.root.initialPassword = "toor";
# Symlink everything together
system.build.netboot = pkgs.symlinkJoin {
name = "netboot";
paths = with config.system.build; [
netbootRamdisk
kernel
netbootIpxeScript
];
preferLocalBuild = true;
};
})
];
});
}
// utils.lib.eachSystem supportedSystems (system:
let pkgs = import nixpkgs {
inherit system;
overlays = [ self.overlay ];
};
in rec {
# A Nixpkgs overlay.
# Provide some binary packages for selected system types.
defaultPackage = pkgs.bcachefs.tools;
packages = {
inherit (pkgs.bcachefs)
tools
toolsValgrind
toolsDebug
mount
bch_bindgen
kernel;
tools-musl = pkgs.pkgsMusl.bcachefs.tools;
mount-musl = pkgs.pkgsMusl.bcachefs.mount;
};
checks = {
kernelSrc = packages.kernel.src;
inherit (packages)
mount
bch_bindgen
toolsValgrind;
# Build and test initrd with bcachefs and bcachefs.mount installed
# Disabled Test because it takes a while to build the kernel
# bootStage1Module = self.nixosConfigurations.netboot-bcachefs.config.system.build.bootStage1;
};
devShell = devShells.tools;
devShells.tools = pkgs.bcachefs.tools.override { inShell = true; };
devShells.mount = pkgs.bcachefs.mount.override { inShell = true; };
});
}
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