nixos-container: fix allow alternative nixos paths

This should be completely backwards compatible. It allows the '-f' part
of the nix-env command to be configured. This greatly eases using
nixos-container as part of development where several nixpkgs
repositories might be tested at the same time.
This commit is contained in:
Eric Merritt 2016-05-31 09:29:54 -07:00
parent 6e1f80eb9d
commit fe8f0dbd53

View file

@ -18,13 +18,13 @@ umask 0022;
sub showHelp {
print <<EOF;
Usage: nixos-container list
nixos-container create <container-name> [--system-path <path>] [--config <string>] [--ensure-unique-name] [--auto-start]
nixos-container create <container-name> [--nixos-path <path>] [--system-path <path>] [--config <string>] [--ensure-unique-name] [--auto-start]
nixos-container destroy <container-name>
nixos-container start <container-name>
nixos-container stop <container-name>
nixos-container kill <container-name> [--signal <signal-specifier>]
nixos-container status <container-name>
nixos-container update <container-name> [--config <string>]
nixos-container update <container-name> [--config <string>] [--nixos-path <path>]
nixos-container login <container-name>
nixos-container root-login <container-name>
nixos-container run <container-name> -- args...
@ -35,6 +35,7 @@ EOF
}
my $systemPath;
my $nixosPath;
my $ensureUniqueName = 0;
my $autoStart = 0;
my $extraConfig;
@ -45,8 +46,9 @@ GetOptions(
"ensure-unique-name" => \$ensureUniqueName,
"auto-start" => \$autoStart,
"system-path=s" => \$systemPath,
"config=s" => \$extraConfig,
"signal=s" => \$signal
"nixos-path=s" => \$nixosPath,
"config=s" => \$extraConfig
) or exit 1;
my $action = $ARGV[0] or die "$0: no action specified\n";
@ -158,11 +160,12 @@ if ($action eq "create") {
} else {
mkpath("$root/etc/nixos", 0, 0755);
my $nixenvF = $nixosPath // "<nixpkgs/nixos>";
my $nixosConfigFile = "$root/etc/nixos/configuration.nix";
writeNixOSConfig $nixosConfigFile;
system("nix-env", "-p", "$profileDir/system",
"-I", "nixos-config=$nixosConfigFile", "-f", "<nixpkgs/nixos>",
"-I", "nixos-config=$nixosConfigFile", "-f", "$nixenvF",
"--set", "-A", "system") == 0
or die "$0: failed to build initial container configuration\n";
}
@ -272,8 +275,9 @@ elsif ($action eq "update") {
# configuration.nix.
writeNixOSConfig $nixosConfigFile if (defined $extraConfig && $extraConfig ne "");
my $nixenvF = $nixosPath // "<nixpkgs/nixos>";
system("nix-env", "-p", "$profileDir/system",
"-I", "nixos-config=$nixosConfigFile", "-f", "<nixpkgs/nixos>",
"-I", "nixos-config=$nixosConfigFile", "-f", "$nixenvF",
"--set", "-A", "system") == 0
or die "$0: failed to build container configuration\n";