Remove manifest support

Manifests have been superseded by binary caches for years. This also
gets rid of nix-pull, nix-generate-patches and bsdiff/bspatch.

1 files changed, 1 insertions, 167 deletions

diff --git a/perl/lib/Nix/Manifest.pm b/perl/lib/Nix/Manifest.pm
index 428decf09b..0da3767612 100644
--- a/perl/lib/Nix/Manifest.pm
+++ b/perl/lib/Nix/Manifest.pm
@@ -13,7 +13,7 @@ use Nix::Config;
 use Nix::Store;
 
 our @ISA = qw(Exporter);
-our @EXPORT = qw(readManifest writeManifest updateManifestDB addPatch deleteOldManifests parseNARInfo fingerprintPath);
+our @EXPORT = qw(readManifest writeManifest addPatch parseNARInfo fingerprintPath);
 
 
 sub addNAR {
@@ -228,172 +228,6 @@ sub writeManifest {
 }
 
 
-sub updateManifestDB {
-    my $manifestDir = $Nix::Config::manifestDir;
-
-    my @manifests = glob "$manifestDir/*.nixmanifest";
-    return undef if scalar @manifests == 0;
-
-    mkpath($manifestDir);
-
-    unlink "$manifestDir/cache.sqlite"; # remove obsolete cache
-    my $dbPath = "$manifestDir/cache-v2.sqlite";
-
-    # Open/create the database.
-    our $dbh = DBI->connect("dbi:SQLite:dbname=$dbPath", "", "")
-        or die "cannot open database ‘$dbPath’";
-    $dbh->{RaiseError} = 1;
-    $dbh->{PrintError} = 0;
-
-    $dbh->do("pragma foreign_keys = on");
-    $dbh->do("pragma synchronous = off"); # we can always reproduce the cache
-    $dbh->do("pragma journal_mode = truncate");
-
-    # Initialise the database schema, if necessary.
-    $dbh->do(<<EOF);
-        create table if not exists Manifests (
-            id        integer primary key autoincrement not null,
-            path      text unique not null,
-            timestamp integer not null
-        );
-EOF
-
-    $dbh->do(<<EOF);
-        create table if not exists NARs (
-            id               integer primary key autoincrement not null,
-            manifest         integer not null,
-            storePath        text not null,
-            url              text not null,
-            compressionType  text not null,
-            hash             text,
-            size             integer,
-            narHash          text,
-            narSize          integer,
-            refs             text,
-            deriver          text,
-            system           text,
-            foreign key (manifest) references Manifests(id) on delete cascade
-        );
-EOF
-
-    $dbh->do("create index if not exists NARs_storePath on NARs(storePath)");
-
-    $dbh->do(<<EOF);
-        create table if not exists Patches (
-            id               integer primary key autoincrement not null,
-            manifest         integer not null,
-            storePath        text not null,
-            basePath         text not null,
-            baseHash         text not null,
-            url              text not null,
-            hash             text,
-            size             integer,
-            narHash          text,
-            narSize          integer,
-            patchType        text not null,
-            foreign key (manifest) references Manifests(id) on delete cascade
-        );
-EOF
-
-    $dbh->do("create index if not exists Patches_storePath on Patches(storePath)");
-
-    # Acquire an exclusive lock to ensure that only one process
-    # updates the DB at the same time.  This isn't really necessary,
-    # but it prevents work duplication and lock contention in SQLite.
-    my $lockFile = "$manifestDir/cache.lock";
-    open MAINLOCK, ">>$lockFile" or die "unable to acquire lock ‘$lockFile’: $!\n";
-    flock(MAINLOCK, LOCK_EX) or die;
-
-    our $insertNAR = $dbh->prepare(
-        "insert into NARs(manifest, storePath, url, compressionType, hash, size, narHash, " .
-        "narSize, refs, deriver, system) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)") or die;
-
-    our $insertPatch = $dbh->prepare(
-        "insert into Patches(manifest, storePath, basePath, baseHash, url, hash, " .
-        "size, narHash, narSize, patchType) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)");
-
-    $dbh->begin_work;
-
-    # Read each manifest in $manifestDir and add it to the database,
-    # unless we've already done so on a previous run.
-    my %seen;
-
-    for my $manifestLink (@manifests) {
-        my $manifest = Cwd::abs_path($manifestLink);
-        next unless -f $manifest;
-        my $timestamp = lstat($manifest)->mtime;
-        $seen{$manifest} = 1;
-
-        next if scalar @{$dbh->selectcol_arrayref(
-            "select 1 from Manifests where path = ? and timestamp = ?",
-            {}, $manifest, $timestamp)} == 1;
-
-        print STDERR "caching $manifest...\n";
-
-        $dbh->do("delete from Manifests where path = ?", {}, $manifest);
-
-        $dbh->do("insert into Manifests(path, timestamp) values (?, ?)",
-                 {}, $manifest, $timestamp);
-
-        our $id = $dbh->last_insert_id("", "", "", "");
-
-        sub addNARToDB {
-            my ($storePath, $narFile) = @_;
-            $insertNAR->execute(
-                $id, $storePath, $narFile->{url}, $narFile->{compressionType}, $narFile->{hash},
-                $narFile->{size}, $narFile->{narHash}, $narFile->{narSize}, $narFile->{references},
-                $narFile->{deriver}, $narFile->{system});
-        };
-
-        sub addPatchToDB {
-            my ($storePath, $patch) = @_;
-            $insertPatch->execute(
-                $id, $storePath, $patch->{basePath}, $patch->{baseHash}, $patch->{url},
-                $patch->{hash}, $patch->{size}, $patch->{narHash}, $patch->{narSize},
-                $patch->{patchType});
-        };
-
-        my $version = readManifest_($manifest, \&addNARToDB, \&addPatchToDB);
-
-        if ($version < 3) {
-            die "you have an old-style or corrupt manifest ‘$manifestLink’; please delete it\n";
-        }
-        if ($version >= 10) {
-            die "manifest ‘$manifestLink’ is too new; please delete it or upgrade Nix\n";
-        }
-    }
-
-    # Removed cached information for removed manifests from the DB.
-    foreach my $manifest (@{$dbh->selectcol_arrayref("select path from Manifests")}) {
-        next if defined $seen{$manifest};
-        $dbh->do("delete from Manifests where path = ?", {}, $manifest);
-    }
-
-    $dbh->commit;
-
-    close MAINLOCK;
-
-    return $dbh;
-}
-
-
-# Delete all old manifests downloaded from a given URL.
-sub deleteOldManifests {
-    my ($url, $curUrlFile) = @_;
-    for my $urlFile (glob "$Nix::Config::manifestDir/*.url") {
-        next if defined $curUrlFile && $urlFile eq $curUrlFile;
-        open URL, "<$urlFile" or die;
-        my $url2 = <URL>;
-        chomp $url2;
-        close URL;
-        next unless $url eq $url2;
-        my $base = $urlFile; $base =~ s/.url$//;
-        unlink "${base}.url";
-        unlink "${base}.nixmanifest";
-    }
-}
-
-
 # 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.