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nixpkgs/pkgs/servers/x11/xorg/generate-expr-from-tarballs.pl

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#! /usr/bin/env perl
# Usage:
#
# manually update tarballs.list
# then run: cat tarballs.list | perl ./generate-expr-from-tarballs.pl
use strict;
use warnings;
use File::Basename;
use File::Spec::Functions;
use File::Temp;
my %pkgURLs;
my %pkgHashes;
my %pkgNames;
my %pkgRequires;
my %pkgNativeRequires;
my %pcMap;
my %extraAttrs;
my @missingPCs = ("fontconfig", "libdrm", "libXaw", "zlib", "perl", "python3", "mkfontscale", "bdftopcf", "libxslt", "openssl", "gperf", "m4", "libinput", "libevdev", "mtdev", "xorgproto", "cairo", "gettext" );
$pcMap{$_} = $_ foreach @missingPCs;
$pcMap{"freetype2"} = "freetype";
$pcMap{"libpng12"} = "libpng";
$pcMap{"libpng"} = "libpng";
$pcMap{"dbus-1"} = "dbus";
$pcMap{"uuid"} = "libuuid";
$pcMap{"libudev"} = "udev";
$pcMap{"gl"} = "libGL";
$pcMap{"GL"} = "libGL";
$pcMap{"gbm"} = "mesa";
$pcMap{"\$PIXMAN"} = "pixman";
$pcMap{"\$RENDERPROTO"} = "xorgproto";
$pcMap{"\$DRI3PROTO"} = "xorgproto";
$pcMap{"\$DRI2PROTO"} = "xorgproto";
$pcMap{"\${XKBMODULE}"} = "libxkbfile";
my $downloadCache = "./download-cache";
mkdir $downloadCache, 0755;
while (<>) {
chomp;
my $tarball = "$_";
print "\nDOING TARBALL $tarball\n";
my $pkg;
if ($tarball =~ s/:([a-zA-Z0-9_]+)$//) {
$pkg = $1;
} else {
$tarball =~ /\/((?:(?:[A-Za-z0-9]|(?:-[^0-9])|(?:-[0-9]*[a-z]))+))[^\/]*$/;
die unless defined $1;
$pkg = $1;
$pkg =~ s/-//g;
#next unless $pkg eq "xcbutil";
}
$tarball =~ /\/([^\/]*)\.(tar\.(bz2|gz|xz)|tgz)$/;
my $pkgName = $1;
print " $pkg $pkgName\n";
if (defined $pkgNames{$pkg}) {
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print " SKIPPING\n";
next;
}
$pkgURLs{$pkg} = $tarball;
$pkgNames{$pkg} = $pkgName;
my $cachePath = catdir($downloadCache, basename($tarball));
my $hash;
my $path;
if (-e $cachePath) {
$path = readlink($cachePath);
$hash = `nix-hash --type sha256 --base32 --flat $cachePath`;
}
else {
($hash, $path) = `PRINT_PATH=1 QUIET=1 nix-prefetch-url '$tarball'`;
`nix-store --realise --add-root $cachePath --indirect $path`;
}
chomp $hash;
chomp $path;
$pkgHashes{$pkg} = $hash;
print "\nunpacking $path\n";
my $tmpDir = File::Temp->newdir();
system "cd '$tmpDir' && tar xf '$path'";
die "cannot unpack `$path'" if $? != 0;
print "\n";
my $pkgDir = `echo $tmpDir/*`;
chomp $pkgDir;
my $provides = `find $pkgDir -name "*.pc.in"`;
my @provides2 = split '\n', $provides;
my @requires = ();
my @nativeRequires = ();
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foreach my $pcFile (@provides2) {
my $pc = $pcFile;
$pc =~ s/.*\///;
$pc =~ s/.pc.in//;
print "PROVIDES $pc\n";
die "collision with $pcMap{$pc}" if defined $pcMap{$pc};
$pcMap{$pc} = $pkg;
open FOO, "<$pcFile" or die;
while (<FOO>) {
if (/Requires:(.*)/) {
my @reqs = split ' ', $1;
foreach my $req (@reqs) {
next unless $req =~ /^[a-z]+$/;
print "REQUIRE (from $pc): $req\n";
push @requires, $req;
}
}
}
close FOO;
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}
my $file;
{
local $/;
open FOO, "cd '$tmpDir'/* && grep -v '^ *#' configure.ac |";
$file = <FOO>;
close FOO;
}
if ($file =~ /XAW_CHECK_XPRINT_SUPPORT/) {
push @requires, "libXaw";
}
if ($file =~ /zlib is required/ || $file =~ /AC_CHECK_LIB\(z\,/) {
push @requires, "zlib";
}
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if ($file =~ /Perl is required/) {
push @requires, "perl";
}
if ($file =~ /AC_PATH_PROG\(BDFTOPCF/) {
push @nativeRequires, "bdftopcf";
}
if ($file =~ /AC_PATH_PROG\(MKFONTSCALE/) {
push @nativeRequires, "mkfontscale";
}
if ($file =~ /AC_PATH_PROG\(MKFONTDIR/) {
push @nativeRequires, "mkfontscale";
}
if ($file =~ /AM_PATH_PYTHON/) {
push @nativeRequires, "python3";
}
if ($file =~ /AC_PATH_PROG\(FCCACHE/) {
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# Don't run fc-cache.
die if defined $extraAttrs{$pkg};
push @{$extraAttrs{$pkg}}, "preInstall = \"installFlags=(FCCACHE=true)\";";
}
my $isFont;
if ($file =~ /XORG_FONT_BDF_UTILS/) {
push @nativeRequires, "bdftopcf", "mkfontscale";
$isFont = 1;
}
if ($file =~ /XORG_FONT_SCALED_UTILS/) {
push @nativeRequires, "mkfontscale";
$isFont = 1;
}
if ($file =~ /XORG_FONT_UCS2ANY/) {
push @nativeRequires, "fontutil", "mkfontscale";
$isFont = 1;
}
if ($isFont) {
push @{$extraAttrs{$pkg}}, "configureFlags = [ \"--with-fontrootdir=\$(out)/lib/X11/fonts\" ];";
}
sub process {
my $requires = shift;
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my $s = shift;
$s =~ s/\[/\ /g;
$s =~ s/\]/\ /g;
$s =~ s/\,/\ /g;
foreach my $req (split / /, $s) {
next if $req eq ">=";
#next if $req =~ /^\$/;
next if $req =~ /^[0-9]/;
next if $req =~ /^\s*$/;
next if $req eq '$REQUIRED_MODULES';
next if $req eq '$REQUIRED_LIBS';
next if $req eq '$XDMCP_MODULES';
next if $req eq '$XORG_MODULES';
print "REQUIRE: $req\n";
push @{$requires}, $req;
}
}
#process \@requires, $1 while $file =~ /PKG_CHECK_MODULES\([^,]*,\s*[\[]?([^\)\[]*)/g;
process \@requires, $1 while $file =~ /PKG_CHECK_MODULES\([^,]*,([^\)\,]*)/g;
process \@requires, $1 while $file =~ /AC_SEARCH_LIBS\([^,]*,([^\)\,]*)/g;
process \@requires, $1 while $file =~ /MODULES=\"(.*)\"/g;
process \@requires, $1 while $file =~ /REQUIRED_LIBS=\"(.*)\"/g;
process \@requires, $1 while $file =~ /REQUIRED_MODULES=\"(.*)\"/g;
process \@requires, $1 while $file =~ /REQUIRES=\"(.*)\"/g;
process \@requires, $1 while $file =~ /X11_REQUIRES=\'(.*)\'/g;
process \@requires, $1 while $file =~ /XDMCP_MODULES=\"(.*)\"/g;
process \@requires, $1 while $file =~ /XORG_MODULES=\"(.*)\"/g;
process \@requires, $1 while $file =~ /NEEDED=\"(.*)\"/g;
process \@requires, $1 while $file =~ /ivo_requires=\"(.*)\"/g;
process \@requires, $1 while $file =~ /XORG_DRIVER_CHECK_EXT\([^,]*,([^\)]*)\)/g;
push @nativeRequires, "gettext" if $file =~ /USE_GETTEXT/;
push @requires, "libxslt" if $pkg =~ /libxcb/;
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push @nativeRequires, "m4" if $pkg =~ /xcbutil/;
push @requires, "gperf", "xorgproto" if $pkg =~ /xcbutil/;
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print "REQUIRES $pkg => @requires\n";
print "NATIVE_REQUIRES $pkg => @nativeRequires\n";
$pkgRequires{$pkg} = \@requires;
$pkgNativeRequires{$pkg} = \@nativeRequires;
print "done\n";
}
print "\nWRITE OUT\n";
open OUT, ">default.nix";
print OUT "";
print OUT <<EOF;
# THIS IS A GENERATED FILE. DO NOT EDIT!
{ lib, newScope, pixman }:
lib.makeScope newScope (self: with self; {
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inherit pixman;
EOF
foreach my $pkg (sort (keys %pkgURLs)) {
print "$pkg\n";
my %nativeRequires = ();
my @nativeBuildInputs;
foreach my $req (sort @{$pkgNativeRequires{$pkg}}) {
if (defined $pcMap{$req}) {
# Some packages have .pc that depends on itself.
next if $pcMap{$req} eq $pkg;
if (!defined $nativeRequires{$pcMap{$req}}) {
push @nativeBuildInputs, $pcMap{$req};
$nativeRequires{$pcMap{$req}} = 1;
}
} else {
print " NOT FOUND: $req\n";
}
}
my %requires = ();
my @buildInputs;
foreach my $req (sort @{$pkgRequires{$pkg}}) {
if (defined $pcMap{$req}) {
# Some packages have .pc that depends on itself.
next if $pcMap{$req} eq $pkg;
if (!defined $requires{$pcMap{$req}}) {
push @buildInputs, $pcMap{$req};
$requires{$pcMap{$req}} = 1;
}
} else {
print " NOT FOUND: $req\n";
}
}
my $nativeBuildInputsStr = join "", map { $_ . " " } @nativeBuildInputs;
my $buildInputsStr = join "", map { $_ . " " } @buildInputs;
my @arguments = @buildInputs;
push @arguments, @nativeBuildInputs;
unshift @arguments, "stdenv", "pkg-config", "fetchurl";
my $argumentsStr = join ", ", @arguments;
my $extraAttrsStr = "";
if (defined $extraAttrs{$pkg}) {
$extraAttrsStr = join "", map { "\n " . $_ } @{$extraAttrs{$pkg}};
}
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print OUT <<EOF
$pkg = callPackage ({ $argumentsStr }: stdenv.mkDerivation {
name = "$pkgNames{$pkg}";
builder = ./builder.sh;
src = fetchurl {
url = "$pkgURLs{$pkg}";
sha256 = "$pkgHashes{$pkg}";
};
hardeningDisable = [ "bindnow" "relro" ];
nativeBuildInputs = [ pkg-config $nativeBuildInputsStr];
buildInputs = [ $buildInputsStr];$extraAttrsStr
meta.platforms = lib.platforms.unix;
}) {};
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EOF
}
print OUT "})\n";
close OUT;