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* Don't create patches for archives >= 150 MB because bsdiff can't

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handle it.  It crashed on the 234 MB tetex archive.  Probably we
  will never be able to handle archives of that size on 32-bit
  machines (because bsdiff does everything in memory requiring
  max(17*n,9*n+m)+O(1) bytes, so the address space simply isn't
  there).
This commit is contained in:
Eelco Dolstra 2005-06-18 14:20:24 +00:00
parent 040140dd1c
commit 928a7c06dc
1 changed files with 13 additions and 1 deletions
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14
scripts/generate-patches.pl.in
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@ -277,13 +277,25 @@ foreach my $p (keys %dstOutPaths) {
my $srcNarBz2 = getNarBz2 \%srcNarFiles, $closest; my $srcNarBz2 = getNarBz2 \%srcNarFiles, $closest;
my $dstNarBz2 = getNarBz2 \%dstNarFiles, $p; my $dstNarBz2 = getNarBz2 \%dstNarFiles, $p;
my $maxNarSize = 150 * 1024 * 1024;
system("@bunzip2@ < $srcNarBz2 > $tmpdir/A") == 0 system("@bunzip2@ < $srcNarBz2 > $tmpdir/A") == 0
or die "cannot unpack $srcNarBz2"; or die "cannot unpack $srcNarBz2";
if ((stat "$tmpdir/A")[7] >= $maxNarSize) {
print " skipping, source is too large\n";
next;
}
system("@bunzip2@ < $dstNarBz2 > $tmpdir/B") == 0 system("@bunzip2@ < $dstNarBz2 > $tmpdir/B") == 0
or die "cannot unpack $dstNarBz2"; or die "cannot unpack $dstNarBz2";
if ((stat "$tmpdir/B")[7] >= $maxNarSize) {
print " skipping, destination is too large\n";
next;
}
system("@libexecdir@/bsdiff $tmpdir/A $tmpdir/B $tmpdir/DIFF") == 0 system("@libexecdir@/bsdiff $tmpdir/A $tmpdir/B $tmpdir/DIFF") == 0
or die "cannot compute binary diff"; or die "cannot compute binary diff";