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First attempt at the manifest-less substituter

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This commit is contained in:
Eelco Dolstra 2012-06-29 18:28:52 -04:00
parent 91b8814f0d
commit 37f7098464
4 changed files with 123 additions and 5 deletions
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1
.gitignore vendored
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@ -60,6 +60,7 @@ Makefile.in
/scripts/GeneratePatches.pm
/scripts/download-using-manifests.pl
/scripts/copy-from-other-stores.pl
/scripts/download-from-binary-cache.pl
/scripts/find-runtime-roots.pl
/scripts/build-remote.pl
/scripts/nix-reduce-build

1
perl/lib/Nix/Config.pm.in
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@ -6,6 +6,7 @@ $stateDir = $ENV{"NIX_STATE_DIR"} || "@localstatedir@/nix";
$manifestDir = $ENV{"NIX_MANIFESTS_DIR"} || "@localstatedir@/nix/manifests";
$logDir = $ENV{"NIX_LOG_DIR"} || "@localstatedir@/log/nix";
$confDir = $ENV{"NIX_CONF_DIR"} || "@sysconfdir@/nix";
$storeDir = $ENV{"NIX_STORE_DIR"} || "@storedir@";
$bzip2 = "@bzip2@";
$xz = "@xz@";

8
scripts/Makefile.am
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@ -7,17 +7,14 @@ noinst_SCRIPTS = nix-profile.sh \
find-runtime-roots.pl build-remote.pl nix-reduce-build \
copy-from-other-stores.pl nix-http-export.cgi
nix-pull nix-push: download-using-manifests.pl
install-exec-local: download-using-manifests.pl copy-from-other-stores.pl find-runtime-roots.pl
install-exec-local: download-using-manifests.pl copy-from-other-stores.pl download-from-binary-cache.pl find-runtime-roots.pl
$(INSTALL) -d $(DESTDIR)$(sysconfdir)/profile.d
$(INSTALL_DATA) nix-profile.sh $(DESTDIR)$(sysconfdir)/profile.d/nix.sh
$(INSTALL) -d $(DESTDIR)$(libexecdir)/nix
$(INSTALL_PROGRAM) find-runtime-roots.pl $(DESTDIR)$(libexecdir)/nix
$(INSTALL_PROGRAM) build-remote.pl $(DESTDIR)$(libexecdir)/nix
$(INSTALL) -d $(DESTDIR)$(libexecdir)/nix/substituters
$(INSTALL_PROGRAM) download-using-manifests.pl $(DESTDIR)$(libexecdir)/nix/substituters
$(INSTALL_PROGRAM) copy-from-other-stores.pl $(DESTDIR)$(libexecdir)/nix/substituters
$(INSTALL_PROGRAM) download-using-manifests.pl copy-from-other-stores.pl download-from-binary-cache.pl $(DESTDIR)$(libexecdir)/nix/substituters
$(INSTALL) -d $(DESTDIR)$(sysconfdir)/nix
include ../substitute.mk
@ -29,6 +26,7 @@ EXTRA_DIST = nix-collect-garbage.in \
nix-build.in \
download-using-manifests.pl.in \
copy-from-other-stores.pl.in \
download-from-binary-cache.pl.in \
nix-copy-closure.in \
find-runtime-roots.pl.in \
build-remote.pl.in \

118
scripts/download-from-binary-cache.pl.in Normal file
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@ -0,0 +1,118 @@
#! @perl@ -w @perlFlags@
use strict;
use Nix::Config;
use Nix::Store;
my @binaryCacheUrls = ("file:///tmp/binary-cache");
sub getInfoFrom {
my ($storePath, $pathHash, $binaryCacheUrl) = @_;
my $infoUrl = "$binaryCacheUrl/$pathHash.narinfo";
#print STDERR "checking $infoUrl...\n";
my $s = `$Nix::Config::curl --fail --silent --location ${infoUrl}`;
if ($? != 0) {
print STDERR "GOT CURL REPLY ", $? >> 8, "\n";
return undef;
}
my ($storePath2, $url, $fileHash, $fileSize, $narHash, $narSize, $deriver);
my @refs;
foreach my $line (split "\n", $s) {
$line =~ /^(.*): (.*)$/ or return undef;
if ($1 eq "StorePath") { $storePath2 = $2; }
elsif ($1 eq "URL") { $url = $2; }
elsif ($1 eq "CompressedHash") { $fileHash = $2; }
elsif ($1 eq "CompressedSize") { $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 = $2; }
}
if ($storePath ne $storePath2 || !defined $url || !defined $narHash || !defined $narSize) {
print STDERR "bad NAR info file ‘$infoUrl’\n";
return undef
}
return
{ url => $url
, fileHash => $fileHash
, fileSize => $fileSize
, narHash => $narHash
, narSize => $narSize
, refs => [ map { "$Nix::Config::storeDir/$_" } @refs ]
, deriver => "$Nix::Config::storeDir/$deriver"
}
}
sub getInfo {
my ($storePath) = @_;
my $pathHash = hashString("sha256", 1, $storePath);
cache: foreach my $binaryCacheUrl (@binaryCacheUrls) {
my $info = getInfoFrom($storePath, $pathHash, $binaryCacheUrl);
return $info if defined $info;
}
return undef;
}
sub downloadBinary {
my ($storePath) = @_;
my $pathHash = hashString("sha256", 1, $storePath);
cache: foreach my $binaryCacheUrl (@binaryCacheUrls) {
my $info = getInfoFrom($storePath, $pathHash, $binaryCacheUrl);
if (defined $info) {
if (system("$Nix::Config::curl --fail --location $binaryCacheUrl/$info->{url} | $Nix::Config::xz -d | $Nix::Config::binDir/nix-store --restore $storePath") == 0) {
return 1;
}
}
}
return 0;
}
if ($ARGV[0] eq "--query") {
while (<STDIN>) {
my $cmd = $_; chomp $cmd;
if ($cmd eq "have") {
my $storePath = <STDIN>; chomp $storePath;
# FIXME: want to give correct info here, but it's too slow.
print "0\n";
#my $info = getInfo($storePath);
#if (defined $info) { print "1\n"; } else { print "0\n"; }
}
elsif ($cmd eq "info") {
my $storePath = <STDIN>; chomp $storePath;
my $info = getInfo($storePath);
if (defined $info) {
print "1\n";
print $info->{deriver} || "", "\n";
print scalar @{$info->{refs}}, "\n";
print "$_\n" foreach @{$info->{refs}};
print $info->{fileSize} || 0, "\n";
print $info->{narSize}, "\n";
} else {
print "0\n";
}
}
else { die "unknown command `$cmd'"; }
flush STDOUT;
}
}
elsif ($ARGV[0] eq "--substitute") {
my $storePath = $ARGV[1] or die;
exit 1 unless downloadBinary($storePath);
}
else {
die;
}