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* Properly specify the hash algorithm in the manifests, and read it

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too.
* Change the default hash for nix-prefetch-url back to md5, since
  that's what we use in Nixpkgs (for now; a birthday attack is rather
  unlikely there).
This commit is contained in:
Eelco Dolstra 2005-02-24 17:36:42 +00:00
parent 95e870a113
commit 3259ae5811
4 changed files with 31 additions and 13 deletions
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13
scripts/generate-patches.pl.in
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@ -45,6 +45,7 @@ sub findOutputPaths {
# Ignore store expressions.
next if ($p =~ /\.store$/);
next if ($p =~ /\.drv$/);
# Ignore builders (too much ambiguity -- they're all called
# `builder.sh').
@ -69,7 +70,7 @@ my %dstOutPaths = findOutputPaths \%dstNarFiles, \%dstSuccessors;
sub getNameVersion {
my $p = shift;
$p =~ /\/[0-9a-f]+((?:-[a-zA-Z][^\/-]*)+)([^\/]*)$/;
$p =~ /\/[0-9a-z]+((?:-[a-zA-Z][^\/-]*)+)([^\/]*)$/;
my $name = $1;
my $version = $2;
$name =~ s/^-//;
@ -192,16 +193,16 @@ foreach my $p (keys %dstOutPaths) {
system("@bunzip2@ < $dstNarBz2 > $tmpdir/B") == 0
or die "cannot unpack $dstNarBz2";
system("@libexecdir@/bspatch $tmpdir/A $tmpdir/B $tmpdir/DIFF") == 0
system("@libexecdir@/bsdiff $tmpdir/A $tmpdir/B $tmpdir/DIFF") == 0
or die "cannot compute binary diff";
my $baseHash = `@bindir@/nix-hash --flat $tmpdir/A` or die;
my $baseHash = `@bindir@/nix-hash --flat --type sha1 $tmpdir/A` or die;
chomp $baseHash;
my $narHash = `@bindir@/nix-hash --flat $tmpdir/B` or die;
my $narHash = `@bindir@/nix-hash --flat --type sha1 $tmpdir/B` or die;
chomp $narHash;
my $narDiffHash = `@bindir@/nix-hash --flat $tmpdir/DIFF` or die;
my $narDiffHash = `@bindir@/nix-hash --flat --type sha1 $tmpdir/DIFF` or die;
chomp $narDiffHash;
my $narDiffSize = (stat "$tmpdir/DIFF")[7];
@ -234,7 +235,7 @@ foreach my $p (keys %dstOutPaths) {
# Add the patch to the manifest.
addPatch \%dstPatches, $p,
{ url => "$patchesURL/$finalName", hash => $narDiffHash
, size => $narDiffSize
, size => $narDiffSize, hashAlgo => "sha1"
, basePath => $closest, baseHash => $baseHash
, narHash => $narHash, patchType => "nar-bsdiff"
};