nixpkgs/nixos/modules/config/system-path.nix
pennae 2e751c0772 treewide: automatically md-convert option descriptions
the conversion procedure is simple:

 - find all things that look like options, ie calls to either `mkOption`
   or `lib.mkOption` that take an attrset. remember the attrset as the
   option
 - for all options, find a `description` attribute who's value is not a
   call to `mdDoc` or `lib.mdDoc`
 - textually convert the entire value of the attribute to MD with a few
   simple regexes (the set from mdize-module.sh)
 - if the change produced a change in the manual output, discard
 - if the change kept the manual unchanged, add some text to the
   description to make sure we've actually found an option. if the
   manual changes this time, keep the converted description

this procedure converts 80% of nixos options to markdown. around 2000
options remain to be inspected, but most of those fail the "does not
change the manual output check": currently the MD conversion process
does not faithfully convert docbook tags like <code> and <package>, so
any option using such tags will not be converted at all.
2022-07-30 15:16:34 +02:00

189 lines
5.4 KiB
Nix

# This module defines the packages that appear in
# /run/current-system/sw.
{ config, lib, pkgs, ... }:
with lib;
let
requiredPackages = map (pkg: setPrio ((pkg.meta.priority or 5) + 3) pkg)
[ pkgs.acl
pkgs.attr
pkgs.bashInteractive # bash with ncurses support
pkgs.bzip2
pkgs.coreutils-full
pkgs.cpio
pkgs.curl
pkgs.diffutils
pkgs.findutils
pkgs.gawk
pkgs.stdenv.cc.libc
pkgs.getent
pkgs.getconf
pkgs.gnugrep
pkgs.gnupatch
pkgs.gnused
pkgs.gnutar
pkgs.gzip
pkgs.xz
pkgs.less
pkgs.libcap
pkgs.ncurses
pkgs.netcat
config.programs.ssh.package
pkgs.mkpasswd
pkgs.procps
pkgs.su
pkgs.time
pkgs.util-linux
pkgs.which
pkgs.zstd
];
defaultPackageNames =
[ "nano"
"perl"
"rsync"
"strace"
];
defaultPackages =
map
(n: let pkg = pkgs.${n}; in setPrio ((pkg.meta.priority or 5) + 3) pkg)
defaultPackageNames;
defaultPackagesText = "[ ${concatMapStringsSep " " (n: "pkgs.${n}") defaultPackageNames } ]";
in
{
options = {
environment = {
systemPackages = mkOption {
type = types.listOf types.package;
default = [];
example = literalExpression "[ pkgs.firefox pkgs.thunderbird ]";
description = lib.mdDoc ''
The set of packages that appear in
/run/current-system/sw. These packages are
automatically available to all users, and are
automatically updated every time you rebuild the system
configuration. (The latter is the main difference with
installing them in the default profile,
{file}`/nix/var/nix/profiles/default`.
'';
};
defaultPackages = mkOption {
type = types.listOf types.package;
default = defaultPackages;
defaultText = literalDocBook ''
these packages, with their <literal>meta.priority</literal> numerically increased
(thus lowering their installation priority):
<programlisting>${defaultPackagesText}</programlisting>
'';
example = [];
description = ''
Set of default packages that aren't strictly necessary
for a running system, entries can be removed for a more
minimal NixOS installation.
Note: If <package>pkgs.nano</package> is removed from this list,
make sure another editor is installed and the
<literal>EDITOR</literal> environment variable is set to it.
Environment variables can be set using
<option>environment.variables</option>.
Like with systemPackages, packages are installed to
<filename>/run/current-system/sw</filename>. They are
automatically available to all users, and are
automatically updated every time you rebuild the system
configuration.
'';
};
pathsToLink = mkOption {
type = types.listOf types.str;
# Note: We need `/lib' to be among `pathsToLink' for NSS modules
# to work.
default = [];
example = ["/"];
description = lib.mdDoc "List of directories to be symlinked in {file}`/run/current-system/sw`.";
};
extraOutputsToInstall = mkOption {
type = types.listOf types.str;
default = [ ];
example = [ "doc" "info" "devdoc" ];
description = lib.mdDoc "List of additional package outputs to be symlinked into {file}`/run/current-system/sw`.";
};
extraSetup = mkOption {
type = types.lines;
default = "";
description = lib.mdDoc "Shell fragments to be run after the system environment has been created. This should only be used for things that need to modify the internals of the environment, e.g. generating MIME caches. The environment being built can be accessed at $out.";
};
};
system = {
path = mkOption {
internal = true;
description = ''
The packages you want in the boot environment.
'';
};
};
};
config = {
environment.systemPackages = requiredPackages ++ config.environment.defaultPackages;
environment.pathsToLink =
[ "/bin"
"/etc/xdg"
"/etc/gtk-2.0"
"/etc/gtk-3.0"
"/lib" # FIXME: remove and update debug-info.nix
"/sbin"
"/share/emacs"
"/share/hunspell"
"/share/nano"
"/share/org"
"/share/themes"
"/share/vim-plugins"
"/share/vulkan"
"/share/kservices5"
"/share/kservicetypes5"
"/share/kxmlgui5"
"/share/systemd"
"/share/thumbnailers"
];
system.path = pkgs.buildEnv {
name = "system-path";
paths = config.environment.systemPackages;
inherit (config.environment) pathsToLink extraOutputsToInstall;
ignoreCollisions = true;
# !!! Hacky, should modularise.
# outputs TODO: note that the tools will often not be linked by default
postBuild =
''
# Remove wrapped binaries, they shouldn't be accessible via PATH.
find $out/bin -maxdepth 1 -name ".*-wrapped" -type l -delete
if [ -x $out/bin/glib-compile-schemas -a -w $out/share/glib-2.0/schemas ]; then
$out/bin/glib-compile-schemas $out/share/glib-2.0/schemas
fi
${config.environment.extraSetup}
'';
};
};
}