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* rpm-closure.pl: add possibility to use multiple repositories

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* default.nix: do not assume fixed filesystem type when mounting, to allow using other filesystems


svn path=/nixpkgs/trunk/; revision=29757
This commit is contained in:
Rob Vermaas 2011-10-11 13:22:09 +00:00
parent a1f9b6f7b6
commit 40f1e4e289
2 changed files with 63 additions and 41 deletions
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40
pkgs/build-support/vm/default.nix
View file

@ -127,7 +127,7 @@ rec {
if test -z "$mountDisk"; then
mount -t tmpfs none /fs
else
mount -t ext2 /dev/${hd} /fs
mount /dev/${hd} /fs
fi
mkdir -p /fs/dev
@ -166,7 +166,6 @@ rec {
halt -d -p -f
'';
initrd = makeInitrd {
contents = [
{ object = stage1Init;
@ -303,7 +302,7 @@ rec {
'';
createRootFS = ''
defaultCreateRootFS = ''
mkdir /mnt
${e2fsprogs}/sbin/mke2fs -F /dev/${hd}
${utillinux}/bin/mount -t ext2 /dev/${hd} /mnt
@ -486,12 +485,12 @@ rec {
fillDiskWithRPMs =
{ size ? 4096, rpms, name, fullName, preInstall ? "", postInstall ? ""
, runScripts ? true
, runScripts ? true, createRootFS ? defaultCreateRootFS
}:
runInLinuxVM (stdenv.mkDerivation {
inherit name preInstall postInstall rpms;
memSize = 512;
preVM = createEmptyImage {inherit size fullName;};
buildCommand = ''
@ -526,10 +525,10 @@ rec {
eval "$postInstall"
rm /mnt/.debug
${utillinux}/bin/umount /mnt/nix/store
${utillinux}/bin/umount /mnt/tmp
${utillinux}/bin/umount /mnt
${utillinux}/bin/umount /mnt/nix/store
${utillinux}/bin/umount /mnt/tmp
${utillinux}/bin/umount /mnt
'';
passthru = { inherit fullName; };
@ -631,7 +630,7 @@ rec {
strongly connected components. See deb/deb-closure.nix. */
fillDiskWithDebs =
{ size ? 4096, debs, name, fullName, postInstall ? null }:
{ size ? 4096, debs, name, fullName, postInstall ? null, createRootFS ? defaultCreateRootFS }:
runInLinuxVM (stdenv.mkDerivation {
inherit name postInstall;
@ -712,12 +711,15 @@ rec {
`primary.xml.gz' file of a Fedora or openSUSE distribution. */
rpmClosureGenerator =
{name, packagesList, urlPrefix, packages, archs ? []}:
{name, packagesLists, urlPrefixes, packages, archs ? []}:
assert (builtins.length packagesLists) == (builtins.length urlPrefixes) ;
runCommand "${name}.nix" {buildInputs = [perl perlPackages.XMLSimple]; inherit archs;} ''
gunzip < ${packagesList} > ./packages.xml
${lib.concatImapStrings (i: pl: ''
gunzip < ${pl} > ./packages_${toString i}.xml
'') packagesLists}
perl -w ${rpm/rpm-closure.pl} \
./packages.xml ${urlPrefix} ${toString packages} > $out
${lib.concatImapStrings (i: pl: "./packages_${toString i}.xml ${pl.snd} " ) (lib.zipLists packagesLists urlPrefixes)} \
${toString packages} > $out
'';
@ -726,15 +728,17 @@ rec {
names. */
makeImageFromRPMDist =
{ name, fullName, size ? 4096, urlPrefix, packagesList
{ name, fullName, size ? 4096
, urlPrefix ? "", urlPrefixes ? [urlPrefix]
, packagesList ? "", packagesLists ? [packagesList]
, packages, extraPackages ? []
, preInstall ? "", postInstall ? "", archs ? ["noarch" "i386"]
, runScripts ? true }:
, runScripts ? true, createRootFS ? defaultCreateRootFS }:
fillDiskWithRPMs {
inherit name fullName size preInstall postInstall runScripts;
inherit name fullName size preInstall postInstall runScripts createRootFS;
rpms = import (rpmClosureGenerator {
inherit name packagesList urlPrefix archs;
inherit name packagesLists urlPrefixes archs;
packages = packages ++ extraPackages;
}) { inherit fetchurl; };
};

64
pkgs/build-support/vm/rpm/rpm-closure.pl
View file

@ -1,34 +1,52 @@
use strict;
use XML::Simple;
my $packagesFile = shift @ARGV;
my $urlPrefix = shift @ARGV;
my @packagesFiles = ();
my @urlPrefixes = ();
# rpm-closure.pl (<package-file> <url-prefix>)+ <toplevel-pkg>+
while(-f $ARGV[0]) {
my $packagesFile = shift @ARGV;
my $urlPrefix = shift @ARGV;
push(@packagesFiles, $packagesFile);
push(@urlPrefixes, $urlPrefix);
}
my @toplevelPkgs = @ARGV;
my @archs = split ' ', ($ENV{'archs'} or "");
print STDERR "parsing packages...\n";
my $xml = XMLin($packagesFile, ForceArray => ['package', 'rpm:entry', 'file'], KeyAttr => []) or die;
print STDERR "file contains $xml->{packages} packages\n";
my %pkgs;
foreach my $pkg (@{$xml->{'package'}}) {
if (scalar @archs > 0) {
my $arch = $pkg->{arch};
my $found = 0;
foreach my $a (@archs) { $found = 1 if $arch eq $a; }
next if !$found;
}
if (defined $pkgs{$pkg->{name}}) {
print STDERR "WARNING: duplicate occurrence of package $pkg->{name}\n";
next;
}
$pkgs{$pkg->{name}} = $pkg;
}
for (my $i = 0; $i < scalar(@packagesFiles); $i++) {
my $packagesFile = $packagesFiles[$i];
print STDERR "parsing packages in $packagesFile...\n";
my $xml = XMLin($packagesFile, ForceArray => ['package', 'rpm:entry', 'file'], KeyAttr => []) or die;
print STDERR "$packagesFile contains $xml->{packages} packages\n";
foreach my $pkg (@{$xml->{'package'}}) {
if (scalar @archs > 0) {
my $arch = $pkg->{arch};
my $found = 0;
foreach my $a (@archs) { $found = 1 if $arch eq $a; }
next if !$found;
}
if (defined $pkgs{$pkg->{name}}) {
my $earlierPkg = $pkgs{$pkg->{name}};
print STDERR "WARNING: duplicate occurrence of package $pkg->{name}\n";
if ($earlierPkg->{'time'}->{file} <= $pkg->{'time'}->{file}) {
print STDERR "WARNING: replaced package $pkg->{name} with newer one\n";
$pkg->{urlPrefix} = $urlPrefixes[$i];
$pkgs{$pkg->{name}} = $pkg;
}
next;
}
$pkg->{urlPrefix} = $urlPrefixes[$i];
$pkgs{$pkg->{name}} = $pkg;
}
}
my %provides;
foreach my $pkgName (keys %pkgs) {
@ -104,7 +122,7 @@ print "[\n\n";
foreach my $pkgName (@needed) {
my $pkg = $pkgs{$pkgName};
print " (fetchurl {\n";
print " url = $urlPrefix/$pkg->{location}->{href};\n";
print " url = $pkg->{urlPrefix}/$pkg->{location}->{href};\n";
if ($pkg->{checksum}->{type} eq "sha") {
print " sha1 = \"$pkg->{checksum}->{content}\";\n";
} elsif ($pkg->{checksum}->{type} eq "sha256") {