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nixos-generate-config: Write to /etc/nixos/hardware.nix rather than stdout

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This commit is contained in:
Eelco Dolstra 2013-10-11 14:44:32 +02:00
parent 3ed41735b8
commit fd0fd49d36
2 changed files with 38 additions and 11 deletions
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36
nixos/modules/installer/tools/nixos-generate-config.pl
View File

@ -1,7 +1,28 @@
#! @perl@/bin/perl -w #! @perl@
use File::Spec; use File::Spec;
use File::Path;
use File::Basename; use File::Basename;
use File::Slurp;
# Process the command line.
my $outDir = "/etc/nixos";
for (my $n = 0; $n < scalar @ARGV; $n++) {
my $arg = $ARGV[$n];
if ($arg eq "--help") {
exec "man nixos-generate-config" or die;
}
elsif ($arg eq "--dir") {
$n++;
$outDir = $ARGV[$n];
die "$0: ‘--dir’ requires an argument\n" unless defined $outDir;
}
else {
die "$0: unrecognized argument ‘$arg’\n";
}
}
my @attrs = (); my @attrs = ();
@ -191,7 +212,7 @@ if ($dmi =~ /Manufacturer: innotek/) {
} }
# Generate the configuration file. # Generate the hardware configuration file.
sub removeDups { sub removeDups {
my %seen; my %seen;
@ -229,10 +250,14 @@ my $modulePackages = toNixExpr(removeDups @modulePackages);
my $attrs = multiLineList(" ", removeDups @attrs); my $attrs = multiLineList(" ", removeDups @attrs);
my $imports = multiLineList(" ", removeDups @imports); my $imports = multiLineList(" ", removeDups @imports);
my $fn = "$outDir/hardware.nix";
print STDERR "writing $fn...\n";
mkpath($outDir, 0, 0755);
print <<EOF ; write_file($fn, <<EOF);
# This is a generated file. Do not modify! # Do not modify this file! It was generated by ‘nixos-generate-config’
# Make changes to /etc/nixos/configuration.nix instead. # and may be overwritten by future invocations. Please make changes
# to /etc/nixos/configuration.nix instead.
{ config, pkgs, ... }: { config, pkgs, ... }:
{ {
@ -245,4 +270,5 @@ print <<EOF ;
nix.maxJobs = $cpus; nix.maxJobs = $cpus;
$attrs} $attrs}
EOF EOF
# workaround for a bug in substituteAll # workaround for a bug in substituteAll

5
nixos/modules/installer/tools/tools.nix
View File

@ -1,5 +1,5 @@
# This module generates nixos-install, nixos-rebuild, # This module generates nixos-install, nixos-rebuild,
# nixos-hardware-scan, etc. # nixos-generate-config, etc.
{ config, pkgs, modulesPath, ... }: { config, pkgs, modulesPath, ... }:
@ -37,7 +37,8 @@ let
nixos-generate-config = makeProg { nixos-generate-config = makeProg {
name = "nixos-generate-config"; name = "nixos-generate-config";
src = ./nixos-generate-config.pl; src = ./nixos-generate-config.pl;
inherit (pkgs) perl dmidecode; perl = "${pkgs.perl}/bin/perl -I${pkgs.perlPackages.FileSlurp}/lib/perl5/site_perl";
inherit (pkgs) dmidecode;
}; };
nixos-option = makeProg { nixos-option = makeProg {