d9f4475dd5
svn path=/nixos/trunk/; revision=15312
426 lines
13 KiB
Nix
426 lines
13 KiB
Nix
{ platform ? __currentSystem
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, configuration
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, nixpkgs ? ../../nixpkgs
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}:
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rec {
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configComponents = [
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configuration
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(import ./options.nix)
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];
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noOption = name: values:
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abort "${name}: Used without option declaration.";
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# Make a configuration object from which we can retrieve option
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# values.
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config =
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pkgs.lib.fixOptionSets
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(pkgs.lib.mergeOptionSets noOption)
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pkgs configComponents;
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optionDeclarations =
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pkgs.lib.fixOptionSetsFun
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pkgs.lib.filterOptionSets
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pkgs configComponents
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config;
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pkgs = import nixpkgs {system = platform;};
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manifests = config.installer.manifests; # exported here because nixos-rebuild uses it
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nix = config.environment.nix;
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kernelPackages = config.boot.kernelPackages;
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kernel = kernelPackages.kernel;
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# Tree of kernel modules. This includes the kernel, plus modules
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# built outside of the kernel. We have to combine these into a
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# single tree of symlinks because modprobe only supports one
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# directory.
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modulesTree = pkgs.aggregateModules (
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[kernel]
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# Merged into mainline kernel
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# ++ pkgs.lib.optional ((config.networking.enableIntel3945ABGFirmware || config.networking.enableIntel4965AGNFirmware) && !kernel.features ? iwlwifi) kernelPackages.iwlwifi
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# !!! this should be declared by the xserver Upstart job.
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++ pkgs.lib.optional (config.services.xserver.enable && config.services.xserver.videoDriver == "nvidia") kernelPackages.nvidia_x11
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++ pkgs.lib.optional config.hardware.enableGo7007 kernelPackages.wis_go7007
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++ config.boot.extraModulePackages
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);
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# The initial ramdisk.
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initialRamdiskStuff = import ../boot/boot-stage-1.nix {
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inherit pkgs config kernelPackages modulesTree;
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};
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initialRamdisk = initialRamdiskStuff.initialRamdisk;
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# NixOS installation/updating tools.
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nixosTools = import ../installer {
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inherit pkgs config nix;
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};
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# NSS modules. Hacky!
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nssModules =
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pkgs.lib.optional config.users.ldap.enable pkgs.nss_ldap
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++ pkgs.lib.optional config.services.avahi.nssmdns pkgs.nssmdns;
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nssModulesPath = pkgs.lib.concatStrings (pkgs.lib.intersperse ":"
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(map (mod: mod + "/lib") nssModules));
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# Wrapper around modprobe to set the path to the modules.
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modprobe = pkgs.substituteAll {
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dir = "sbin";
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src = ./modprobe;
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isExecutable = true;
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inherit (pkgs) module_init_tools;
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inherit modulesTree;
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};
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# Environment variables for running Nix.
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nixEnvVars =
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''
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export NIX_CONF_DIR=/nix/etc/nix
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# Enable the copy-from-other-stores substituter, which allows builds
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# to be sped up by copying build results from remote Nix stores. To
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# do this, mount the remote file system on a subdirectory of
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# /var/run/nix/remote-stores.
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export NIX_OTHER_STORES=/var/run/nix/remote-stores/*/nix
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'' + # */
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(if config.nix.distributedBuilds then
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''
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export NIX_BUILD_HOOK=${nix}/libexec/nix/build-remote.pl
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export NIX_REMOTE_SYSTEMS=/etc/nix.machines
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export NIX_CURRENT_LOAD=/var/run/nix/current-load
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''
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else "")
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+
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(if config.nix.proxy != "" then
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''
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export http_proxy=${config.nix.proxy}
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export https_proxy=${config.nix.proxy}
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export ftp_proxy=${config.nix.proxy}
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'' else "")
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;
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# The services (Upstart) configuration for the system.
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upstartJobs = import ../upstart-jobs/default.nix {
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inherit config pkgs nix modprobe nssModulesPath nixEnvVars
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optionDeclarations kernelPackages mount kdePackages;
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};
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# The static parts of /etc.
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etc = import ../etc/default.nix {
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inherit config pkgs upstartJobs systemPath wrapperDir
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defaultShell nixEnvVars modulesTree nssModulesPath binsh
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kdePackages;
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extraEtc =
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(pkgs.lib.concatLists (map (job: job.extraEtc) upstartJobs.jobs))
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++ config.environment.etc;
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};
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# Font aggregation
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fontDir = import ./fontdir.nix {
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inherit config pkgs;
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inherit (pkgs) builderDefs ttmkfdir;
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inherit (pkgs.xorg) mkfontdir mkfontscale fontalias;
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};
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# The wrapper setuid programs (since we can't have setuid programs
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# in the Nix store).
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wrapperDir = "/var/setuid-wrappers";
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setuidWrapper = import ../helpers/setuid {
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inherit (pkgs) stdenv;
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inherit wrapperDir;
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};
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# A patched `mount' command that looks in a directory in the Nix
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# store instead of in /sbin for mount helpers (like mount.ntfs-3g or
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# mount.cifs).
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mount = pkgs.utillinuxng.override {
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buildMountOnly = true;
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mountHelpers = pkgs.buildEnv {
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name = "mount-helpers";
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paths = [
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pkgs.ntfs3g
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pkgs.mount_cifs
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pkgs.nfsUtils
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];
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pathsToLink = "/sbin";
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} + "/sbin";
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};
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# The packages you want in the boot environment.
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systemPathList = [
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# Better leave them here - they are small, needed,
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# and hard to refer from anywhere outside.
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modprobe # must take precedence over module_init_tools
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mount # must take precedence over util-linux
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nix
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nixosTools.nixosInstall
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nixosTools.nixosRebuild
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nixosTools.nixosCheckout
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nixosTools.nixosHardwareScan
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nixosTools.nixosGenSeccureKeys
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setuidWrapper
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]
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++ pkgs.lib.optionals (!config.environment.cleanStart) [
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pkgs.acl
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pkgs.attr
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pkgs.bashInteractive # bash with ncurses support
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pkgs.bzip2
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pkgs.coreutils
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pkgs.cpio
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pkgs.curl
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pkgs.e2fsprogs
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pkgs.findutils
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pkgs.glibc # for ldd, getent
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pkgs.gnugrep
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pkgs.gnused
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pkgs.gnutar
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pkgs.grub
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pkgs.gzip
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pkgs.iputils
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pkgs.less
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pkgs.libcap
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pkgs.lvm2
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pkgs.man
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pkgs.mdadm
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pkgs.module_init_tools
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pkgs.nano
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pkgs.ncurses
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pkgs.netcat
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pkgs.nettools
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pkgs.ntp
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pkgs.openssh
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pkgs.pciutils
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pkgs.perl
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pkgs.procps
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pkgs.pwdutils
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pkgs.reiserfsprogs
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pkgs.rsync
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pkgs.seccureUser
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pkgs.strace
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pkgs.su
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pkgs.sysklogd
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pkgs.sysvtools
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pkgs.time
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pkgs.udev
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pkgs.upstart
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pkgs.usbutils
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pkgs.utillinux
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pkgs.wirelesstools
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(import ../helpers/info-wrapper.nix {inherit (pkgs) bash texinfo writeScriptBin;})
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]
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++ pkgs.lib.optional config.security.sudo.enable pkgs.sudo
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++ pkgs.lib.optional config.services.atd.enable pkgs.at
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++ pkgs.lib.optional config.services.bitlbee.enable pkgs.bitlbee
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++ pkgs.lib.optional config.services.avahi.enable pkgs.avahi
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++ pkgs.lib.optional config.networking.defaultMailServer.directDelivery pkgs.ssmtp
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++ pkgs.lib.concatLists (map (job: job.extraPath) upstartJobs.jobs)
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++ config.environment.extraPackages
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++ pkgs.lib.optional config.fonts.enableFontDir fontDir
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++ pkgs.lib.optional config.hardware.enableGo7007 kernelPackages.wis_go7007
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# NSS modules need to be in `systemPath' so that (i) the builder
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# chroot gets to seem them, and (ii) applications can benefit from
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# changes in the list of NSS modules at run-time, without requiring
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# a reboot.
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++ nssModules
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# These packages are nice fallbacks unless any of the more powerful
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# substitutes is present.
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++ [
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# Use ISC BIND version of the host util if you don't mind installing BIND
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pkgs.host
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]
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;
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# We don't want to put all of `startPath' and `path' in $PATH, since
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# then we get an embarrassingly long $PATH. So use the user
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# environment builder to make a directory with symlinks to those
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# packages.
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systemPath = pkgs.buildEnv {
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name = "system-path";
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paths = systemPathList;
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# Note: We need `/lib' to be among `pathsToLink' for NSS modules
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# to work.
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inherit (config.environment) pathsToLink;
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ignoreCollisions = true;
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};
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# The list of packages that need to appear in KDEDIRS,
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# XDG_CONFIG_DIRS and XDG_DATA_DIRS.
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# !!! This should be defined somewhere else.
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kdePackages =
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pkgs.lib.optionals (config.services.xserver.sessionType == "kde4")
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[ pkgs.kde42.kdelibs
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pkgs.kde42.kdebase
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pkgs.kde42.kdebase_runtime
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pkgs.kde42.kdebase_workspace
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pkgs.shared_mime_info
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]
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++ pkgs.lib.optionals (config.services.xserver.sessionType == "kde")
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[ pkgs.kdebase
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pkgs.kdelibs
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]
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++ config.kde.extraPackages;
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usersGroups = import ./users-groups.nix { inherit pkgs config upstartJobs defaultShell; };
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defaultShell = "/var/run/current-system/sw/bin/bash";
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# The shell that we want to use for /bin/sh.
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binsh = pkgs.bashInteractive;
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# The script that activates the configuration, i.e., it sets up
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# /etc, accounts, etc. It doesn't do anything that can only be done
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# at boot time (such as start `init').
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activateConfiguration = pkgs.substituteAll rec {
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src = ./activate-configuration.sh;
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isExecutable = true;
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inherit etc wrapperDir systemPath modprobe defaultShell kernel binsh;
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hostName = config.networking.hostName;
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setuidPrograms =
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config.security.setuidPrograms ++
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config.security.extraSetuidPrograms ++
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pkgs.lib.optional config.security.sudo.enable "sudo" ++
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pkgs.lib.optionals config.services.atd.enable ["at" "atq" "atrm"] ++
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pkgs.lib.optional (config.services.xserver.sessionType == "kde") "kcheckpass" ++
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map ( x : x.program ) config.security.setuidOwners;
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inherit (usersGroups) createUsersGroups usersList groupsList;
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path = [
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pkgs.coreutils pkgs.gnugrep pkgs.findutils
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pkgs.glibc # needed for getent
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pkgs.pwdutils
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];
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adjustSetuidOwner = pkgs.lib.concatStrings (map
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(_entry: let entry = {
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owner = "nobody";
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group = "nogroup";
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setuid = false;
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setgid = false;
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} //_entry; in
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''
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chown ${entry.owner}.${entry.group} $wrapperDir/${entry.program}
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chmod u${if entry.setuid then "+" else "-"}s $wrapperDir/${entry.program}
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chmod g${if entry.setgid then "+" else "-"}s $wrapperDir/${entry.program}
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'')
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(config.security.setuidOwners ++
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# The `at' commands must be setuid `atd' so they can access the files
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# under `/etc/at', etc.
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(if config.services.atd.enable
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then (map (program: { inherit program; owner = "atd"; group = "atd";
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setuid = true; setgid = true; })
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[ "at" "atq" "atrm" ])
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else [])));
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};
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# The init script of boot stage 2, which is supposed to do
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# everything else to bring up the system.
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bootStage2 = import ../boot/boot-stage-2.nix {
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inherit (pkgs) substituteAll writeText coreutils
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utillinux udev upstart;
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inherit kernel activateConfiguration;
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inherit (config.boot) isLiveCD;
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upstartPath = [
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pkgs.coreutils
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pkgs.findutils
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pkgs.gnugrep
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pkgs.gnused
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pkgs.upstart
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];
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bootLocal = config.boot.localCommands;
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};
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# Script to build the Grub menu containing the current and previous
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# system configurations.
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grubMenuBuilder = pkgs.substituteAll {
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src = ../installer/grub-menu-builder.sh;
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isExecutable = true;
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inherit (pkgs) bash;
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path = [pkgs.coreutils pkgs.gnused pkgs.gnugrep];
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inherit (config.boot) copyKernels extraGrubEntries extraGrubEntriesBeforeNixos
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grubSplashImage bootMount configurationLimit;
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};
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# Putting it all together. This builds a store object containing
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# symlinks to the various parts of the built configuration (the
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# kernel, the Upstart services, the init scripts, etc.) as well as a
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# script `switch-to-configuration' that activates the configuration
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# and makes it bootable.
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system = pkgs.checker (pkgs.stdenv.mkDerivation {
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name = "system";
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builder = ./system.sh;
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switchToConfiguration = ./switch-to-configuration.sh;
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inherit (pkgs) grub coreutils gnused gnugrep diffutils findutils upstart;
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grubDevice = config.boot.grubDevice;
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kernelParams =
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config.boot.kernelParams ++ config.boot.extraKernelParams;
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inherit bootStage2;
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inherit activateConfiguration;
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inherit grubMenuBuilder;
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inherit etc;
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inherit systemPath;
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kernel = kernel + "/vmlinuz";
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initrd = initialRamdisk + "/initrd";
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# Most of these are needed by grub-install.
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path = [
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pkgs.coreutils
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pkgs.gnused
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pkgs.gnugrep
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pkgs.findutils
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pkgs.diffutils
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pkgs.upstart # for initctl
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];
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upstartInterfaceVersion = pkgs.upstart.interfaceVersion;
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# This attribute is responsible for creating boot entries for
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# child configuration. They are only (directly) accessible
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# when the parent configuration is boot default. For example,
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# you can provide an easy way to boot the same configuration
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# as you use, but with another kernel
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children = map (x: ((import ./system.nix)
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{ inherit platform;
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configuration = x//{boot=((x.boot)//{grubDevice = "";});};}).system)
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config.nesting.children;
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configurationName = config.boot.configurationName;
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}) config.environment.checkConfigurationOptions
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optionDeclarations config;
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}
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