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nixos-generate-config: Generate swapDevices

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This commit is contained in:
Eelco Dolstra 2013-10-11 16:05:31 +02:00
parent 440fe8f05d
commit 677d9882b0
1 changed files with 24 additions and 18 deletions
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42
nixos/modules/installer/tools/nixos-generate-config.pl
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@ -131,6 +131,8 @@ foreach my $path (glob "/sys/bus/pci/devices/*") {
pciCheck $path;
}
push @attrs, "services.xserver.videoDrivers = [ \"$videoDriver\" ];" if $videoDriver;
# Idem for USB devices.
@ -172,7 +174,6 @@ foreach my $path (glob "/sys/bus/usb/devices/*") {
# Add the modules for all block devices.
foreach my $path (glob "/sys/class/block/*") {
my $module;
if (-e "$path/device/driver/module") {
@ -183,11 +184,6 @@ foreach my $path (glob "/sys/class/block/*") {
}
if ($videoDriver) {
push @attrs, "services.xserver.videoDrivers = [ \"$videoDriver\" ];";
}
# Check if we're a VirtualBox guest. If so, enable the guest
# additions.
my $dmi = `@dmidecode@/sbin/dmidecode`;
@ -196,6 +192,16 @@ if ($dmi =~ /Manufacturer: innotek/) {
}
# Generate the list of swap devices.
my @swaps = read_file("/proc/swaps");
shift @swaps;
my @swapDevices;
foreach my $swap (@swaps) {
$swap =~ /^(\S+)\s/;
push @swapDevices, "{ device = \"$1\"; }";
}
# Generate the hardware configuration file.
sub removeDups {
@ -220,19 +226,21 @@ sub toNixExpr {
sub multiLineList {
my $indent = shift;
my $res = "";
$res = "\n" if scalar @_ > 0;
return "[ ]" if !@_;
$res = "\n${indent}[ ";
my $first = 1;
foreach my $s (@_) {
$res .= "$indent$s\n";
$res .= "$indent " if !$first;
$first = 0;
$res .= "$s\n";
}
$res .= "$indent]";
return $res;
}
my $initrdKernelModules = toNixExpr(removeDups @initrdKernelModules);
my $kernelModules = toNixExpr(removeDups @kernelModules);
my $modulePackages = toNixExpr(removeDups @modulePackages);
my $attrs = multiLineList(" ", removeDups @attrs);
my $imports = multiLineList(" ", removeDups @imports);
my $fn = "$outDir/hardware-configuration.nix";
print STDERR "writing $fn...\n";
@ -245,16 +253,19 @@ write_file($fn, <<EOF);
{ config, pkgs, ... }:
{
imports = [$imports ];
imports = ${\multiLineList(" ", @imports)};
boot.initrd.kernelModules = [$initrdKernelModules ];
boot.kernelModules = [$kernelModules ];
boot.extraModulePackages = [$modulePackages ];
swapDevices = ${\multiLineList(" ", @swapDevices)};
nix.maxJobs = $cpus;
$attrs}
${\join "", (map { " $_\n" } (removeDups @attrs))}}
EOF
# Generate a basic configuration.nix, unless one already exists.
$fn = "$outDir/configuration.nix";
if (! -e $fn) {
@ -317,11 +328,6 @@ $bootLoaderConfig
# options = "data=journal";
# };
# List swap partitions activated at boot time.
swapDevices =
[ # { device = "/dev/disk/by-label/swap"; }
];
# Select internationalisation properties.
# i18n = {
# consoleFont = "lat9w-16";