2009-01-02 16:06:46 +00:00
|
|
|
# generate the script used to activate the configuration.
|
2014-04-14 15:26:48 +01:00
|
|
|
{ config, lib, pkgs, ... }:
|
2010-09-13 16:41:38 +01:00
|
|
|
|
2014-04-14 15:26:48 +01:00
|
|
|
with lib;
|
2009-01-02 16:06:46 +00:00
|
|
|
|
|
|
|
let
|
|
|
|
|
2009-05-20 02:35:46 +01:00
|
|
|
addAttributeName = mapAttrs (a: v: v // {
|
2010-09-13 16:41:38 +01:00
|
|
|
text = ''
|
|
|
|
#### Activation script snippet ${a}:
|
|
|
|
${v.text}
|
2009-05-27 10:40:55 +01:00
|
|
|
'';
|
2010-09-13 16:41:38 +01:00
|
|
|
});
|
2009-05-27 10:40:55 +01:00
|
|
|
|
2016-09-06 16:14:50 +01:00
|
|
|
path = with pkgs; map getBin
|
|
|
|
[ coreutils
|
|
|
|
gnugrep
|
|
|
|
findutils
|
|
|
|
glibc # needed for getent
|
|
|
|
shadow
|
|
|
|
nettools # needed for hostname
|
|
|
|
e2fsprogs # needed for chattr
|
2009-05-27 10:40:55 +01:00
|
|
|
];
|
2011-09-14 19:20:50 +01:00
|
|
|
|
2010-09-13 16:41:38 +01:00
|
|
|
in
|
2009-05-27 10:40:55 +01:00
|
|
|
|
2010-09-13 16:41:38 +01:00
|
|
|
{
|
2009-05-27 10:40:55 +01:00
|
|
|
|
2010-09-13 16:41:38 +01:00
|
|
|
###### interface
|
2011-09-14 19:20:50 +01:00
|
|
|
|
2010-09-13 16:41:38 +01:00
|
|
|
options = {
|
2011-09-14 19:20:50 +01:00
|
|
|
|
2010-09-13 16:41:38 +01:00
|
|
|
system.activationScripts = mkOption {
|
|
|
|
default = {};
|
2011-09-14 19:20:50 +01:00
|
|
|
|
2015-07-04 07:53:26 +01:00
|
|
|
example = literalExample ''
|
|
|
|
{ stdio = {
|
|
|
|
text = '''
|
|
|
|
# Needed by some programs.
|
|
|
|
ln -sfn /proc/self/fd /dev/fd
|
|
|
|
ln -sfn /proc/self/fd/0 /dev/stdin
|
|
|
|
ln -sfn /proc/self/fd/1 /dev/stdout
|
|
|
|
ln -sfn /proc/self/fd/2 /dev/stderr
|
|
|
|
''';
|
|
|
|
deps = [];
|
|
|
|
};
|
|
|
|
}
|
|
|
|
'';
|
2011-09-14 19:20:50 +01:00
|
|
|
|
2010-09-13 16:41:38 +01:00
|
|
|
description = ''
|
2013-10-23 15:59:15 +01:00
|
|
|
A set of shell script fragments that are executed when a NixOS
|
|
|
|
system configuration is activated. Examples are updating
|
|
|
|
/etc, creating accounts, and so on. Since these are executed
|
|
|
|
every time you boot the system or run
|
|
|
|
<command>nixos-rebuild</command>, it's important that they are
|
|
|
|
idempotent and fast.
|
2010-09-13 16:41:38 +01:00
|
|
|
'';
|
2011-09-14 19:20:50 +01:00
|
|
|
|
2013-10-27 23:56:22 +00:00
|
|
|
type = types.attrsOf types.unspecified; # FIXME
|
2011-09-14 19:20:50 +01:00
|
|
|
|
2010-09-13 16:41:38 +01:00
|
|
|
apply = set: {
|
2010-09-13 19:19:15 +01:00
|
|
|
script =
|
2010-09-13 16:41:38 +01:00
|
|
|
''
|
|
|
|
#! ${pkgs.stdenv.shell}
|
|
|
|
|
2010-09-13 19:19:15 +01:00
|
|
|
systemConfig=@out@
|
2011-09-14 19:20:50 +01:00
|
|
|
|
2010-09-13 16:41:38 +01:00
|
|
|
export PATH=/empty
|
|
|
|
for i in ${toString path}; do
|
2012-03-22 10:17:10 +00:00
|
|
|
PATH=$PATH:$i/bin:$i/sbin
|
2010-09-13 16:41:38 +01:00
|
|
|
done
|
2010-09-13 19:19:15 +01:00
|
|
|
|
2014-08-15 00:57:36 +01:00
|
|
|
_status=0
|
|
|
|
trap "_status=1" ERR
|
|
|
|
|
2012-03-22 10:17:10 +00:00
|
|
|
# Ensure a consistent umask.
|
|
|
|
umask 0022
|
|
|
|
|
2010-09-13 16:41:38 +01:00
|
|
|
${
|
|
|
|
let
|
2013-11-12 12:48:19 +00:00
|
|
|
set' = mapAttrs (n: v: if isString v then noDepEntry v else v) set;
|
2010-09-13 16:41:38 +01:00
|
|
|
withHeadlines = addAttributeName set';
|
|
|
|
in textClosureMap id (withHeadlines) (attrNames withHeadlines)
|
|
|
|
}
|
|
|
|
|
|
|
|
# Make this configuration the current configuration.
|
|
|
|
# The readlink is there to ensure that when $systemConfig = /system
|
2012-07-16 16:27:59 +01:00
|
|
|
# (which is a symlink to the store), /run/current-system is still
|
2010-09-13 16:41:38 +01:00
|
|
|
# used as a garbage collection root.
|
2012-07-16 16:27:59 +01:00
|
|
|
ln -sfn "$(readlink -f "$systemConfig")" /run/current-system
|
2010-09-13 16:41:38 +01:00
|
|
|
|
|
|
|
# Prevent the current configuration from being garbage-collected.
|
2012-07-16 16:27:59 +01:00
|
|
|
ln -sfn /run/current-system /nix/var/nix/gcroots/current-system
|
2014-08-15 00:57:36 +01:00
|
|
|
|
|
|
|
exit $_status
|
2010-09-13 16:41:38 +01:00
|
|
|
'';
|
|
|
|
};
|
2011-09-14 19:20:50 +01:00
|
|
|
|
2010-09-13 16:41:38 +01:00
|
|
|
};
|
2011-09-14 19:20:50 +01:00
|
|
|
|
2016-01-19 17:11:36 +00:00
|
|
|
environment.usrbinenv = mkOption {
|
|
|
|
default = "${pkgs.coreutils}/bin/env";
|
|
|
|
example = literalExample ''
|
|
|
|
"''${pkgs.busybox}/bin/env"
|
|
|
|
'';
|
|
|
|
type = types.nullOr types.path;
|
|
|
|
visible = false;
|
|
|
|
description = ''
|
|
|
|
The env(1) executable that is linked system-wide to
|
|
|
|
<literal>/usr/bin/env</literal>.
|
|
|
|
'';
|
|
|
|
};
|
2010-09-13 16:41:38 +01:00
|
|
|
};
|
2009-05-27 10:40:55 +01:00
|
|
|
|
2011-09-14 19:20:50 +01:00
|
|
|
|
2010-09-13 16:41:38 +01:00
|
|
|
###### implementation
|
2009-05-27 10:40:55 +01:00
|
|
|
|
2010-09-13 16:41:38 +01:00
|
|
|
config = {
|
2009-05-27 10:40:55 +01:00
|
|
|
|
2010-09-13 16:41:38 +01:00
|
|
|
system.activationScripts.stdio =
|
|
|
|
''
|
|
|
|
# Needed by some programs.
|
|
|
|
ln -sfn /proc/self/fd /dev/fd
|
|
|
|
ln -sfn /proc/self/fd/0 /dev/stdin
|
|
|
|
ln -sfn /proc/self/fd/1 /dev/stdout
|
|
|
|
ln -sfn /proc/self/fd/2 /dev/stderr
|
|
|
|
'';
|
2009-05-27 10:40:55 +01:00
|
|
|
|
2010-09-13 16:41:38 +01:00
|
|
|
system.activationScripts.var =
|
|
|
|
''
|
|
|
|
# Various log/runtime directories.
|
2009-05-27 10:40:55 +01:00
|
|
|
|
2014-05-08 23:50:05 +01:00
|
|
|
mkdir -m 0755 -p /run/nix/current-load # for distributed builds
|
|
|
|
mkdir -m 0700 -p /run/nix/remote-stores
|
2009-05-27 10:40:55 +01:00
|
|
|
|
2010-09-13 16:41:38 +01:00
|
|
|
mkdir -m 0755 -p /var/log
|
2009-05-27 10:40:55 +01:00
|
|
|
|
2013-10-31 12:26:06 +00:00
|
|
|
touch /var/log/wtmp /var/log/lastlog # must exist
|
|
|
|
chmod 644 /var/log/wtmp /var/log/lastlog
|
2009-05-27 10:40:55 +01:00
|
|
|
|
2010-09-13 16:41:38 +01:00
|
|
|
mkdir -m 1777 -p /var/tmp
|
2009-09-26 11:27:47 +01:00
|
|
|
|
2016-09-06 16:14:50 +01:00
|
|
|
# Make sure it's really empty
|
|
|
|
chattr -i /var/empty
|
|
|
|
rm -rf /var/empty
|
|
|
|
|
2010-09-13 16:41:38 +01:00
|
|
|
# Empty, read-only home directory of many system accounts.
|
|
|
|
mkdir -m 0555 -p /var/empty
|
2016-09-06 16:14:50 +01:00
|
|
|
chattr +i /var/empty
|
2010-09-13 16:41:38 +01:00
|
|
|
'';
|
|
|
|
|
2016-01-19 17:11:36 +00:00
|
|
|
system.activationScripts.usrbinenv = if config.environment.usrbinenv != null
|
|
|
|
then ''
|
2012-03-12 10:41:39 +00:00
|
|
|
mkdir -m 0755 -p /usr/bin
|
2016-01-19 17:11:36 +00:00
|
|
|
ln -sfn ${config.environment.usrbinenv} /usr/bin/.env.tmp
|
2012-03-12 10:41:39 +00:00
|
|
|
mv /usr/bin/.env.tmp /usr/bin/env # atomically replace /usr/bin/env
|
2016-01-19 17:11:36 +00:00
|
|
|
''
|
|
|
|
else ''
|
|
|
|
rm -f /usr/bin/env
|
|
|
|
rmdir --ignore-fail-on-non-empty /usr/bin /usr
|
2010-09-13 16:41:38 +01:00
|
|
|
'';
|
2011-09-14 19:20:50 +01:00
|
|
|
|
2012-05-17 20:33:55 +01:00
|
|
|
system.activationScripts.tmpfs =
|
|
|
|
''
|
2016-08-27 11:29:38 +01:00
|
|
|
specialMount() {
|
|
|
|
local device="$1"
|
|
|
|
local mountPoint="$2"
|
|
|
|
local options="$3"
|
|
|
|
local fsType="$4"
|
|
|
|
|
|
|
|
${pkgs.utillinux}/bin/mount -t "$fsType" -o "remount,$options" "$device" "$mountPoint"
|
|
|
|
}
|
|
|
|
source ${config.system.build.earlyMountScript}
|
2012-05-17 20:33:55 +01:00
|
|
|
'';
|
|
|
|
|
2009-05-27 10:40:55 +01:00
|
|
|
};
|
2011-09-14 19:20:50 +01:00
|
|
|
|
2009-01-02 16:06:46 +00:00
|
|
|
}
|