0bd5eb71a0
* `nix-install-package --help' (NIX-9). * `nix-install-package --non-interactive': don't prompt or pause. * Tests for nix-install-package. * Security fixes: filter the values obtained from the nixpkg.
66 lines
1.8 KiB
Text
66 lines
1.8 KiB
Text
#! @perl@ -w
|
|
|
|
# This tool computes the closure of a path (using "nix-store --query
|
|
# --requisites") and puts the contents of each path in the closure in
|
|
# a big NAR archive that can be installed on another Nix installation
|
|
# using "nix-unpack-closure".
|
|
|
|
# TODO: make this program "streamy", i.e., don't use a temporary
|
|
# directory.
|
|
|
|
use strict;
|
|
use POSIX qw(tmpnam);
|
|
|
|
my $binDir = $ENV{"NIX_BIN_DIR"};
|
|
$binDir = "@bindir@" unless defined $binDir;
|
|
|
|
my $tmpDir;
|
|
do { $tmpDir = tmpnam(); }
|
|
until mkdir $tmpDir, 0777;
|
|
END { my $x = $?; system ("@coreutils@/rm", "-rf", $tmpDir); $? = $x; }
|
|
mkdir "$tmpDir/contents", 0777 or die;
|
|
mkdir "$tmpDir/references", 0777 or die;
|
|
mkdir "$tmpDir/derivers", 0777 or die;
|
|
|
|
|
|
|
|
my %storePaths;
|
|
|
|
|
|
while (@ARGV) {
|
|
my $storePath = shift @ARGV;
|
|
|
|
# Get the closure of this path.
|
|
my $pid = open(READ,
|
|
"$binDir/nix-store --query --requisites '$storePath'|") or die;
|
|
|
|
while (<READ>) {
|
|
chomp;
|
|
die "bad: $_" unless /^\//;
|
|
$storePaths{$_} = "";
|
|
}
|
|
|
|
close READ or die "nix-store failed: $?";
|
|
}
|
|
|
|
|
|
foreach my $storePath (sort(keys %storePaths)) {
|
|
print STDERR "packing `$storePath'...\n";
|
|
|
|
$storePath =~ /\/([^\/]+)$/;
|
|
my $name = $1;
|
|
|
|
system("$binDir/nix-store --dump '$storePath' > $tmpDir/contents/$name") == 0
|
|
or die "nix-store --dump failed on `$storePath': $?";
|
|
|
|
system("$binDir/nix-store --query --references '$storePath' > $tmpDir/references/$name") == 0
|
|
or die "nix-store --query --references failed on `$storePath': $?";
|
|
|
|
system("$binDir/nix-store --query --deriver '$storePath' > $tmpDir/derivers/$name") == 0
|
|
or die "nix-store --query --deriver failed on `$storePath': $?";
|
|
}
|
|
|
|
|
|
# Write a NAR archive of everything to standard output.
|
|
system("nix-store --dump '$tmpDir'") == 0
|
|
or die "nix-store --dump failed";
|