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* Ignore packages that don't have a version.

Browse source 
* 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
View file

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