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* Include the size of the bzipped archive (necessary for computing the

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cheapest download path), as well as the hash of the contents of the
  path (necessary for checking patch applicability).
This commit is contained in:
Eelco Dolstra 2004-12-13 16:56:18 +00:00
parent 862f4c154e
commit e3b051aeeb
2 changed files with 23 additions and 9 deletions
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12
corepkgs/nar/nar.sh.in
View file

@ -6,10 +6,14 @@ export PATH=/bin:/usr/bin
echo "packing $path into $out..."
mkdir $out
dst=$out/$(basename $path).nar.bz2
@bindir@/nix-store --dump "$path" | @bzip2@ > $dst
@bindir@/nix-store --dump "$path" > tmp
if test "${PIPESTATUS[0]}" != "0"; then exit 1; fi
@bzip2@ < tmp > $dst
md5=$(md5sum -b $dst | cut -c1-32)
narHash=$(md5sum -b tmp | cut -c1-32)
if test $? != 0; then exit 1; fi
echo $md5 > $out/md5
echo $narHash > $out/nar-hash
narbz2Hash=$(md5sum -b $dst | cut -c1-32)
if test $? != 0; then exit 1; fi
echo $narbz2Hash > $out/narbz2-hash

20
scripts/nix-push.in
View file

@ -125,16 +125,26 @@ for (my $n = 0; $n < scalar @storepaths; $n++) {
(-f $narfile) or die "narfile for $storepath not found";
push @nararchives, $narfile;
open MD5, "$nardir/md5" or die "cannot open hash";
my $hash = <MD5>;
chomp $hash;
$hash =~ /^[0-9a-z]{32}$/ or die "invalid hash";
open MD5, "$nardir/narbz2-hash" or die "cannot open narbz2-hash";
my $narbz2Hash = <MD5>;
chomp $narbz2Hash;
$narbz2Hash =~ /^[0-9a-z]{32}$/ or die "invalid hash";
close MD5;
open MD5, "$nardir/nar-hash" or die "cannot open nar-hash";
my $narHash = <MD5>;
chomp $narHash;
$narHash =~ /^[0-9a-z]{32}$/ or die "invalid hash";
close MD5;
my $size = (stat $narfile)[7];
print MANIFEST "{\n";
print MANIFEST " StorePath: $storepath\n";
print MANIFEST " NarURL: $archives_get_url/$narname\n";
print MANIFEST " MD5: $hash\n";
print MANIFEST " MD5: $narbz2Hash\n";
print MANIFEST " NarHash: $narHash\n";
print MANIFEST " Size: $size\n";
if ($storepath =~ /\.store$/) {
open PREDS, "@bindir@/nix-store --query --predecessors $storepath |" or die "cannot run nix";