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build-remote.pl: Fix building multiple output derivations

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We were importing paths without sorting them topologically, leading to
"path is not valid" errors.

See e.g. http://hydra.nixos.org/build/12451761
This commit is contained in:
Eelco Dolstra 2014-07-14 12:19:27 +02:00
parent b2e0293f02
commit fa13d3f4f3
3 changed files with 6 additions and 4 deletions
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1
src/libstore/remote-store.cc
View file

@ -35,7 +35,6 @@ template<class T> T readStorePaths(Source & from)
}
template PathSet readStorePaths(Source & from);
template Paths readStorePaths(Source & from);
RemoteStore::RemoteStore()

4
src/nix-store/nix-store.cc
View file

@ -992,7 +992,9 @@ static void opServe(Strings opFlags, Strings opArgs)
}
case cmdExportPaths: {
exportPaths(*store, readStorePaths<Paths>(in), false, out);
Paths sorted = topoSortPaths(*store, readStorePaths<PathSet>(in));
reverse(sorted.begin(), sorted.end());
exportPaths(*store, sorted, false, out);
break;
}

5
tests/remote-builds.nix
View file

@ -25,7 +25,8 @@ let
system = "i686-linux";
PATH = "''${utils}/bin";
builder = "''${utils}/bin/sh";
args = [ "-c" "echo Hello; mkdir $out; cat /proc/sys/kernel/hostname > $out/host; sleep 3" ];
args = [ "-c" "echo Hello; mkdir $out $foo; cat /proc/sys/kernel/hostname > $out/host; ln -s $out $foo/bar; sleep 5" ];
outputs = [ "out" "foo" ];
}
'';
@ -86,7 +87,7 @@ in
# And a parallel build.
my ($out1, $out2) = split /\s/,
$client->succeed("nix-store -r \$(nix-instantiate ${expr nodes.client.config 2} ${expr nodes.client.config 3})");
$client->succeed('nix-store -r $(nix-instantiate ${expr nodes.client.config 2})\!out $(nix-instantiate ${expr nodes.client.config 3})\!out');
$slave1->succeed("test -e $out1 -o -e $out2");
$slave2->succeed("test -e $out1 -o -e $out2");