about summary refs log tree commit diff
path: root/third_party/nix/perl/lib/Nix/Manifest.pm
diff options
context:
space:
mode:
authorVincent Ambo <tazjin@google.com>2020-05-17T15·43+0100
committerVincent Ambo <tazjin@google.com>2020-05-17T15·43+0100
commit40395860c721165f0cc36dfd15b06bc1ea8590bc (patch)
tree0d335c4964d04a84c7827c7b05b1e1116b3b6524 /third_party/nix/perl/lib/Nix/Manifest.pm
parent0f2cf531f705d370321843e5ba9135b2ebdb5d19 (diff)
chore(3p/nix): Remove old build system and other miscellanies r/741
There are still remnants of the old build system (for example, the
build derivations are not yet updated at all), but we'll get there.
Diffstat (limited to 'third_party/nix/perl/lib/Nix/Manifest.pm')
-rw-r--r--third_party/nix/perl/lib/Nix/Manifest.pm325
1 files changed, 0 insertions, 325 deletions
diff --git a/third_party/nix/perl/lib/Nix/Manifest.pm b/third_party/nix/perl/lib/Nix/Manifest.pm
deleted file mode 100644
index 6438398e1766..000000000000
--- a/third_party/nix/perl/lib/Nix/Manifest.pm
+++ /dev/null
@@ -1,325 +0,0 @@
-package Nix::Manifest;
-
-use utf8;
-use strict;
-use DBI;
-use DBD::SQLite;
-use Cwd;
-use File::stat;
-use File::Path;
-use Fcntl ':flock';
-use MIME::Base64;
-use Nix::Config;
-use Nix::Store;
-
-our @ISA = qw(Exporter);
-our @EXPORT = qw(readManifest writeManifest addPatch parseNARInfo fingerprintPath);
-
-
-sub addNAR {
-    my ($narFiles, $storePath, $info) = @_;
-
-    $$narFiles{$storePath} = []
-        unless defined $$narFiles{$storePath};
-
-    my $narFileList = $$narFiles{$storePath};
-
-    my $found = 0;
-    foreach my $narFile (@{$narFileList}) {
-        $found = 1 if $narFile->{url} eq $info->{url};
-    }
-
-    push @{$narFileList}, $info if !$found;
-}
-
-
-sub addPatch {
-    my ($patches, $storePath, $patch) = @_;
-
-    $$patches{$storePath} = []
-        unless defined $$patches{$storePath};
-
-    my $patchList = $$patches{$storePath};
-
-    my $found = 0;
-    foreach my $patch2 (@{$patchList}) {
-        $found = 1 if
-            $patch2->{url} eq $patch->{url} &&
-            $patch2->{basePath} eq $patch->{basePath};
-    }
-
-    push @{$patchList}, $patch if !$found;
-
-    return !$found;
-}
-
-
-sub readManifest_ {
-    my ($manifest, $addNAR, $addPatch) = @_;
-
-    # Decompress the manifest if necessary.
-    if ($manifest =~ /\.bz2$/) {
-        open MANIFEST, "$Nix::Config::bzip2 -d < $manifest |"
-            or die "cannot decompress '$manifest': $!";
-    } else {
-        open MANIFEST, "<$manifest"
-            or die "cannot open '$manifest': $!";
-    }
-
-    my $inside = 0;
-    my $type;
-
-    my $manifestVersion = 2;
-
-    my ($storePath, $url, $hash, $size, $basePath, $baseHash, $patchType);
-    my ($narHash, $narSize, $references, $deriver, $copyFrom, $system, $compressionType);
-
-    while (<MANIFEST>) {
-        chomp;
-        s/\#.*$//g;
-        next if (/^$/);
-
-        if (!$inside) {
-
-            if (/^\s*(\w*)\s*\{$/) {
-                $type = $1;
-                $type = "narfile" if $type eq "";
-                $inside = 1;
-                undef $storePath;
-                undef $url;
-                undef $hash;
-                undef $size;
-                undef $narHash;
-                undef $narSize;
-                undef $basePath;
-                undef $baseHash;
-                undef $patchType;
-                undef $system;
-                $references = "";
-                $deriver = "";
-                $compressionType = "bzip2";
-            }
-
-        } else {
-
-            if (/^\}$/) {
-                $inside = 0;
-
-                if ($type eq "narfile") {
-                    &$addNAR($storePath,
-                        { url => $url, hash => $hash, size => $size
-                        , narHash => $narHash, narSize => $narSize
-                        , references => $references
-                        , deriver => $deriver
-                        , system => $system
-                        , compressionType => $compressionType
-                        });
-                }
-
-                elsif ($type eq "patch") {
-                    &$addPatch($storePath,
-                        { url => $url, hash => $hash, size => $size
-                        , basePath => $basePath, baseHash => $baseHash
-                        , narHash => $narHash, narSize => $narSize
-                        , patchType => $patchType
-                        });
-                }
-
-            }
-
-            elsif (/^\s*StorePath:\s*(\/\S+)\s*$/) { $storePath = $1; }
-            elsif (/^\s*CopyFrom:\s*(\/\S+)\s*$/) { $copyFrom = $1; }
-            elsif (/^\s*Hash:\s*(\S+)\s*$/) { $hash = $1; }
-            elsif (/^\s*URL:\s*(\S+)\s*$/) { $url = $1; }
-            elsif (/^\s*Compression:\s*(\S+)\s*$/) { $compressionType = $1; }
-            elsif (/^\s*Size:\s*(\d+)\s*$/) { $size = $1; }
-            elsif (/^\s*BasePath:\s*(\/\S+)\s*$/) { $basePath = $1; }
-            elsif (/^\s*BaseHash:\s*(\S+)\s*$/) { $baseHash = $1; }
-            elsif (/^\s*Type:\s*(\S+)\s*$/) { $patchType = $1; }
-            elsif (/^\s*NarHash:\s*(\S+)\s*$/) { $narHash = $1; }
-            elsif (/^\s*NarSize:\s*(\d+)\s*$/) { $narSize = $1; }
-            elsif (/^\s*References:\s*(.*)\s*$/) { $references = $1; }
-            elsif (/^\s*Deriver:\s*(\S+)\s*$/) { $deriver = $1; }
-            elsif (/^\s*ManifestVersion:\s*(\d+)\s*$/) { $manifestVersion = $1; }
-            elsif (/^\s*System:\s*(\S+)\s*$/) { $system = $1; }
-
-            # Compatibility;
-            elsif (/^\s*NarURL:\s*(\S+)\s*$/) { $url = $1; }
-            elsif (/^\s*MD5:\s*(\S+)\s*$/) { $hash = "md5:$1"; }
-
-        }
-    }
-
-    close MANIFEST;
-
-    return $manifestVersion;
-}
-
-
-sub readManifest {
-    my ($manifest, $narFiles, $patches) = @_;
-    readManifest_($manifest,
-        sub { addNAR($narFiles, @_); },
-        sub { addPatch($patches, @_); } );
-}
-
-
-sub writeManifest {
-    my ($manifest, $narFiles, $patches, $noCompress) = @_;
-
-    open MANIFEST, ">$manifest.tmp"; # !!! check exclusive
-
-    print MANIFEST "version {\n";
-    print MANIFEST "  ManifestVersion: 3\n";
-    print MANIFEST "}\n";
-
-    foreach my $storePath (sort (keys %{$narFiles})) {
-        my $narFileList = $$narFiles{$storePath};
-        foreach my $narFile (@{$narFileList}) {
-            print MANIFEST "{\n";
-            print MANIFEST "  StorePath: $storePath\n";
-            print MANIFEST "  NarURL: $narFile->{url}\n";
-            print MANIFEST "  Compression: $narFile->{compressionType}\n";
-            print MANIFEST "  Hash: $narFile->{hash}\n" if defined $narFile->{hash};
-            print MANIFEST "  Size: $narFile->{size}\n" if defined $narFile->{size};
-            print MANIFEST "  NarHash: $narFile->{narHash}\n";
-            print MANIFEST "  NarSize: $narFile->{narSize}\n" if $narFile->{narSize};
-            print MANIFEST "  References: $narFile->{references}\n"
-                if defined $narFile->{references} && $narFile->{references} ne "";
-            print MANIFEST "  Deriver: $narFile->{deriver}\n"
-                if defined $narFile->{deriver} && $narFile->{deriver} ne "";
-            print MANIFEST "  System: $narFile->{system}\n" if defined $narFile->{system};
-            print MANIFEST "}\n";
-        }
-    }
-
-    foreach my $storePath (sort (keys %{$patches})) {
-        my $patchList = $$patches{$storePath};
-        foreach my $patch (@{$patchList}) {
-            print MANIFEST "patch {\n";
-            print MANIFEST "  StorePath: $storePath\n";
-            print MANIFEST "  NarURL: $patch->{url}\n";
-            print MANIFEST "  Hash: $patch->{hash}\n";
-            print MANIFEST "  Size: $patch->{size}\n";
-            print MANIFEST "  NarHash: $patch->{narHash}\n";
-            print MANIFEST "  NarSize: $patch->{narSize}\n" if $patch->{narSize};
-            print MANIFEST "  BasePath: $patch->{basePath}\n";
-            print MANIFEST "  BaseHash: $patch->{baseHash}\n";
-            print MANIFEST "  Type: $patch->{patchType}\n";
-            print MANIFEST "}\n";
-        }
-    }
-
-
-    close MANIFEST;
-
-    rename("$manifest.tmp", $manifest)
-        or die "cannot rename $manifest.tmp: $!";
-
-
-    # Create a bzipped manifest.
-    unless (defined $noCompress) {
-        system("$Nix::Config::bzip2 < $manifest > $manifest.bz2.tmp") == 0
-            or die "cannot compress manifest";
-
-        rename("$manifest.bz2.tmp", "$manifest.bz2")
-            or die "cannot rename $manifest.bz2.tmp: $!";
-    }
-}
-
-
-# Return a fingerprint of a store path to be used in binary cache
-# signatures. It contains the store path, the base-32 SHA-256 hash of
-# the contents of the path, and the references.
-sub fingerprintPath {
-    my ($storePath, $narHash, $narSize, $references) = @_;
-    die if substr($storePath, 0, length($Nix::Config::storeDir)) ne $Nix::Config::storeDir;
-    die if substr($narHash, 0, 7) ne "sha256:";
-    # Convert hash from base-16 to base-32, if necessary.
-    $narHash = "sha256:" . convertHash("sha256", substr($narHash, 7), 1)
-        if length($narHash) == 71;
-    die if length($narHash) != 59;
-    foreach my $ref (@{$references}) {
-        die if substr($ref, 0, length($Nix::Config::storeDir)) ne $Nix::Config::storeDir;
-    }
-    return "1;" . $storePath . ";" . $narHash . ";" . $narSize . ";" . join(",", @{$references});
-}
-
-
-# Parse a NAR info file.
-sub parseNARInfo {
-    my ($storePath, $content, $requireValidSig, $location) = @_;
-
-    my ($storePath2, $url, $fileHash, $fileSize, $narHash, $narSize, $deriver, $system, $sig);
-    my $compression = "bzip2";
-    my @refs;
-
-    foreach my $line (split "\n", $content) {
-        return undef unless $line =~ /^(.*): (.*)$/;
-        if ($1 eq "StorePath") { $storePath2 = $2; }
-        elsif ($1 eq "URL") { $url = $2; }
-        elsif ($1 eq "Compression") { $compression = $2; }
-        elsif ($1 eq "FileHash") { $fileHash = $2; }
-        elsif ($1 eq "FileSize") { $fileSize = int($2); }
-        elsif ($1 eq "NarHash") { $narHash = $2; }
-        elsif ($1 eq "NarSize") { $narSize = int($2); }
-        elsif ($1 eq "References") { @refs = split / /, $2; }
-        elsif ($1 eq "Deriver") { $deriver = $2; }
-        elsif ($1 eq "System") { $system = $2; }
-        elsif ($1 eq "Sig") { $sig = $2; }
-    }
-
-    return undef if $storePath ne $storePath2 || !defined $url || !defined $narHash;
-
-    my $res =
-        { url => $url
-        , compression => $compression
-        , fileHash => $fileHash
-        , fileSize => $fileSize
-        , narHash => $narHash
-        , narSize => $narSize
-        , refs => [ @refs ]
-        , deriver => $deriver
-        , system => $system
-        };
-
-    if ($requireValidSig) {
-        # FIXME: might be useful to support multiple signatures per .narinfo.
-
-        if (!defined $sig) {
-            warn "NAR info file '$location' lacks a signature; ignoring\n";
-            return undef;
-        }
-        my ($keyName, $sig64) = split ":", $sig;
-        return undef unless defined $keyName && defined $sig64;
-
-        my $publicKey = $Nix::Config::binaryCachePublicKeys{$keyName};
-        if (!defined $publicKey) {
-            warn "NAR info file '$location' is signed by unknown key '$keyName'; ignoring\n";
-            return undef;
-        }
-
-        my $fingerprint;
-        eval {
-            $fingerprint = fingerprintPath(
-                $storePath, $narHash, $narSize,
-                [ map { "$Nix::Config::storeDir/$_" } @refs ]);
-        };
-        if ($@) {
-            warn "cannot compute fingerprint of '$location'; ignoring\n";
-            return undef;
-        }
-
-        if (!checkSignature($publicKey, decode_base64($sig64), $fingerprint)) {
-            warn "NAR info file '$location' has an incorrect signature; ignoring\n";
-            return undef;
-        }
-
-        $res->{signedBy} = $keyName;
-    }
-
-    return $res;
-}
-
-
-return 1;