lix/scripts/nix-push.in

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#! @perl@ -w @perlFlags@
use strict;
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
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use File::Basename;
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use File::Temp qw(tempdir);
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
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use File::Path qw(mkpath);
use File::stat;
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
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use File::Copy;
use Nix::Config;
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
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use Nix::Store;
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my $hashAlgo = "sha256";
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my $tmpDir = tempdir("nix-push.XXXXXX", CLEANUP => 1, TMPDIR => 1)
or die "cannot create a temporary directory";
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my $nixExpr = "$tmpDir/create-nars.nix";
my $curl = "$Nix::Config::curl --fail --silent";
my $extraCurlFlags = ${ENV{'CURL_FLAGS'}};
$curl = "$curl $extraCurlFlags" if defined $extraCurlFlags;
# Parse the command line.
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my $compressionType = "xz";
my $force = 0;
my $localCopy;
my $localArchivesDir;
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my $archivesPutURL;
my $archivesGetURL;
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my @roots;
sub showSyntax {
print STDERR <<EOF
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
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Usage: nix-push --copy ARCHIVES_DIR PATHS...
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or: nix-push --upload ARCHIVES_PUT_URL ARCHIVES_GET_URL PATHS...
`nix-push' copies or uploads the closure of PATHS to the given
destination.
EOF
; # `
exit 1;
}
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for (my $n = 0; $n < scalar @ARGV; $n++) {
my $arg = $ARGV[$n];
if ($arg eq "--help") {
showSyntax;
} elsif ($arg eq "--bzip2") {
$compressionType = "bzip2";
} elsif ($arg eq "--force") {
$force = 1;
} elsif ($arg eq "--copy") {
$n++;
die "$0: `$arg' requires an argument\n" unless $n < scalar @ARGV;
$localCopy = 1;
$localArchivesDir = $ARGV[$n];
mkpath($localArchivesDir, 0, 0755);
} elsif ($arg eq "--upload") {
die "$0: `$arg' requires two arguments\n" unless $n + 2 < scalar @ARGV;
$localCopy = 0;
$archivesPutURL = $ARGV[$n + 1];
$archivesGetURL = $ARGV[$n + 2];
$n++;
} elsif (substr($arg, 0, 1) eq "-") {
showSyntax;
} else {
push @roots, $arg;
}
}
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showSyntax if !defined $localCopy;
# From the given store paths, determine the set of requisite store
# paths, i.e, the paths required to realise them.
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my %storePaths;
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foreach my $path (@roots) {
die unless $path =~ /^\//;
# Get all paths referenced by the normalisation of the given
# Nix expression.
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my $pid = open(READ,
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"$Nix::Config::binDir/nix-store --query --requisites --force-realise " .
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"--include-outputs '$path'|") or die;
while (<READ>) {
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chomp;
die "bad: $_" unless /^\//;
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$storePaths{$_} = "";
}
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close READ or die "nix-store failed: $?";
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}
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my @storePaths = keys %storePaths;
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
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# Create a list of Nix derivations that turn each path into a Nix
# archive.
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open NIX, ">$nixExpr";
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print NIX "[";
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foreach my $storePath (@storePaths) {
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die unless ($storePath =~ /\/[0-9a-z]{32}[^\"\\\$]*$/);
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# Construct a Nix expression that creates a Nix archive.
my $nixexpr =
"(import <nix/nar.nix> " .
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"{ storePath = builtins.storePath \"$storePath\"; hashAlgo = \"$hashAlgo\"; compressionType = \"$compressionType\"; }) ";
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print NIX $nixexpr;
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}
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print NIX "]";
close NIX;
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nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
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# Build the Nix expression.
print STDERR "building compressed archives...\n";
my @narPaths;
my $pid = open(READ, "$Nix::Config::binDir/nix-build $nixExpr -o $tmpDir/result |")
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
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or die "cannot run nix-build";
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while (<READ>) {
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chomp;
die unless /^\//;
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
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push @narPaths, $_;
}
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
close READ or die "nix-build failed: $?";
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
# Upload the archives and the corresponding info files.
print STDERR "uploading/copying archives...\n";
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
my $totalNarSize = 0;
my $totalCompressedSize = 0;
2004-12-28 21:11:28 +00:00
for (my $n = 0; $n < scalar @storePaths; $n++) {
my $storePath = $storePaths[$n];
2005-02-24 14:06:18 +00:00
my $narDir = $narPaths[$n];
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
my $baseName = basename $storePath;
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
# Get info about the store path.
my ($deriver, $narHash, $time, $narSize, $refs) = queryPathInfo($storePath, 1);
# In some exceptional cases (such as VM tests that use the Nix
# store of the host), the database doesn't contain the hash. So
# compute it.
if ($narHash =~ /^sha256:0*$/) {
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
my $nar = "$tmpDir/nar";
system("$Nix::Config::binDir/nix-store --dump $storePath > $nar") == 0
or die "cannot dump $storePath\n";
$narHash = `$Nix::Config::binDir/nix-hash --type sha256 --base32 --flat $nar`;
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
die "cannot hash `$nar'" if $? != 0;
chomp $narHash;
$narHash = "sha256:$narHash";
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
$narSize = stat("$nar")->size;
unlink $nar or die;
}
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
$totalNarSize += $narSize;
# Get info about the compressed NAR.
open HASH, "$narDir/nar-compressed-hash" or die "cannot open nar-compressed-hash";
my $compressedHash = <HASH>;
chomp $compressedHash;
$compressedHash =~ /^[0-9a-z]+$/ or die "invalid hash";
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
close HASH;
2012-07-01 22:46:38 +00:00
my $narName = "$compressedHash.nar." . ($compressionType eq "xz" ? "xz" : "bz2");
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
my $narFile = "$narDir/$narName";
(-f $narFile) or die "NAR file for $storePath not found";
2005-02-24 14:06:18 +00:00
my $compressedSize = stat($narFile)->size;
$totalCompressedSize += $compressedSize;
2005-02-24 14:06:18 +00:00
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
printf STDERR "%s [%.2f MiB, %.1f%%]\n", $storePath,
$compressedSize / (1024 * 1024), $compressedSize / $narSize * 100;
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
# Upload the compressed NAR.
if ($localCopy) {
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
my $dst = "$localArchivesDir/$narName";
if (! -f $dst) {
my $tmp = "$localArchivesDir/.tmp.$$.$narName";
copy($narFile, $tmp) or die "cannot copy $narFile to $tmp: $!\n";
rename($tmp, $dst) or die "cannot rename $tmp to $dst: $!\n";
}
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
} else {
die "unimplemented";
#if (!archiveExists("$basename")) {
# system("$curl --show-error --upload-file " .
# "'$narArchive' '$archivesPutURL/$basename' > /dev/null") == 0 or
# die "curl failed on $narArchive: $?";
#}
}
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
# Upload the info file.
my $info;
$info .= "StorePath: $storePath\n";
$info .= "URL: $narName\n";
2012-07-01 22:46:38 +00:00
$info .= "Compression: $compressionType\n";
$info .= "FileHash: sha256:$compressedHash\n";
$info .= "FileSize: $compressedSize\n";
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
$info .= "NarHash: $narHash\n";
$info .= "NarSize: $narSize\n";
$info .= "References: " . join(" ", map { basename $_ } @{$refs}) . "\n";
if (defined $deriver) {
$info .= "Deriver: " . basename $deriver . "\n";
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
if (isValidPath($deriver)) {
my $drv = derivationFromPath($deriver);
$info .= "System: $drv->{platform}\n";
}
}
my $pathHash = substr(basename($storePath), 0, 32);
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
if ($localCopy) {
my $dst = "$localArchivesDir/$pathHash.narinfo";
2012-07-01 22:46:38 +00:00
if ($force || ! -f $dst) {
my $tmp = "$localArchivesDir/.tmp.$$.$pathHash.narinfo";
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
open INFO, ">$tmp" or die;
print INFO "$info" or die;
close INFO or die;
rename($tmp, $dst) or die "cannot rename $tmp to $dst: $!\n";
}
} else {
die "unimplemented";
}
}
nix-push: create a manifest-less binary cache Manifests are a huge pain, since users need to run nix-pull directly or indirectly to obtain them. They tend to be large and lag behind the available binaries; also, the downloaded manifests in /nix/var/nix/manifest need to be in sync with the Nixpkgs sources. So we want to get rid of them. The idea of manifest-free operation works as follows. Nix is configured with a set of URIs of binary caches, e.g. http://nixos.org/binary-cache Whenever Nix needs a store path X, it checks each binary cache for the existence of a file <CACHE-URI>/<SHA-256 hash of X>.narinfo, e.g. http://nixos.org/binary-cache/bi1gh9...ia17.narinfo The .narinfo file contains the necessary information about the store path that was formerly kept in the manifest, i.e., (relative) URI of the compressed NAR, references, size, hash, etc. For example: StorePath: /nix/store/xqp4l88cr9bxv01jinkz861mnc9p7qfi-neon-0.29.6 URL: 1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 CompressedHash: sha256:1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd CompressedSize: 202542 NarHash: sha256:1af26536781e6134ab84201b33408759fc59b36cc5530f57c0663f67b588e15f NarSize: 700440 References: 043zrsanirjh8nbc5vqpjn93hhrf107f-bash-4.2-p24 cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 ... Deriver: 4idz1bgi58h3pazxr3akrw4fsr6zrf3r-neon-0.29.6.drv System: x86_64-linux Nix then knows that it needs to download http://nixos.org/binary-cache/1bjxbg52l32wj8ww47sw9f4qz0r8n5vs71l93lcbgk2506v3cpfd.nar.bz2 to substitute the store path. Note that the store directory is omitted from the References and Deriver fields to save space, and that the URL can be relative to the binary cache prefix. This patch just makes nix-push create binary caches in this format. The next step is to make a substituter that supports them.
2012-06-28 21:19:32 +00:00
printf STDERR "total compressed size %.2f MiB, %.1f%%\n",
$totalCompressedSize / (1024 * 1024), $totalCompressedSize / $totalNarSize * 100;