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* Ignore packages that don't have a version. 

* Work on a manifest instead of a channel directory.
This commit is contained in:
Eelco Dolstra 2010-06-23 21:11:33 +00:00
parent 8b7f8b56f1
commit 560ab22f7d
1 changed files with 18 additions and 15 deletions
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33
scripts/generate-patches.pl.in
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@ -20,11 +20,11 @@ die unless scalar @ARGV == 5;
my $hashAlgo = "sha256";
my $cacheDir = $ARGV[0];
my $narDir = $ARGV[0];
my $patchesDir = $ARGV[1];
my $patchesURL = $ARGV[2];
my $srcDir = $ARGV[3];
my $dstDir = $ARGV[4];
my $srcManifest = $ARGV[3];
my $dstManifest = $ARGV[4];
my $tmpDir = tempdir("nix-generate-patches.XXXXXX", CLEANUP => 1, TMPDIR => 1)
or die "cannot create a temporary directory";
@ -41,10 +41,10 @@ my %dstNarFiles;
my %dstLocalPaths;
my %dstPatches;
readManifest "$srcDir/MANIFEST",
readManifest "$srcManifest",
\%srcNarFiles, \%srcLocalPaths, \%srcPatches;
readManifest "$dstDir/MANIFEST",
readManifest "$dstManifest",
\%dstNarFiles, \%dstLocalPaths, \%dstPatches;
@ -55,8 +55,7 @@ sub findOutputPaths {
foreach my $p (keys %{$narFiles}) {
# Ignore store expressions.
next if ($p =~ /\.store$/);
# Ignore derivations.
next if ($p =~ /\.drv$/);
# Ignore builders (too much ambiguity -- they're all called
@ -85,6 +84,7 @@ sub getNameVersion {
$p =~ /\/[0-9a-z]+((?:-[a-zA-Z][^\/-]*)+)([^\/]*)$/;
my $name = $1;
my $version = $2;
return undef unless defined $name && defined $version;
$name =~ s/^-//;
$version =~ s/^-//;
return ($name, $version);
@ -112,14 +112,14 @@ sub getNarBz2 {
my $storePath = shift;
my $narFileList = $$narFiles{$storePath};
die "missing store expression $storePath" unless defined $narFileList;
die "missing path $storePath" unless defined $narFileList;
my $narFile = @{$narFileList}[0];
die unless defined $narFile;
$narFile->{url} =~ /\/([^\/]+)$/;
die unless defined $1;
return "$cacheDir/$1";
return "$narDir/$1";
}
@ -213,6 +213,7 @@ foreach my $p (keys %dstOutPaths) {
# this path.
(my $name, my $version) = getNameVersion $p;
next unless defined $name && defined $version;
my @closest = ();
my $closestVersion;
@ -222,6 +223,8 @@ foreach my $p (keys %dstOutPaths) {
foreach my $q (keys %srcOutPaths) {
(my $name2, my $version2) = getNameVersion $q;
next unless defined $name2 && defined $version2;
if ($name eq $name2) {
# If the sizes differ too much, then skip. This
@ -241,11 +244,11 @@ foreach my $p (keys %dstOutPaths) {
# If the numbers of weighted uses differ too much, then
# skip. This disambiguates between, e.g., the bootstrap
# GCC and the final GCC in Nixpkgs.
my $srcUses = computeUses \%srcNarFiles, $q;
my $dstUses = computeUses \%dstNarFiles, $p;
$ratio = $srcUses / $dstUses;
$ratio = 1 / $ratio if $ratio < 1;
print " USE $srcUses $dstUses $ratio $q\n";
# my $srcUses = computeUses \%srcNarFiles, $q;
# my $dstUses = computeUses \%dstNarFiles, $p;
# $ratio = $srcUses / $dstUses;
# $ratio = 1 / $ratio if $ratio < 1;
# print " USE $srcUses $dstUses $ratio $q\n";
# if ($ratio >= 2) {
# print " SKIPPING $q due to use ratio $ratio ($srcUses $dstUses)\n";
@ -404,5 +407,5 @@ do {
# Rewrite the manifest of the destination (with the new patches).
writeManifest "$dstDir/MANIFEST",
writeManifest "${dstManifest}",
\%dstNarFiles, \%dstPatches;