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Author SHA1 Message Date
regnat 7746cb13dc Make CA derivations compatible with recursive Nix 
Add an access-control list to the realisations in recursive-nix (similar
to the already existing one for store paths), so that we can build
content-addressed derivations in the restricted store.

Fix #4353
 2021-06-24 14:53:10 +02:00
Robert Hensing bec83a6f95 BoehmGCStackAllocator: ignore stack protection page 
This fixes a crash that looks like:

```
Thread 1 "nix-build" received signal SIGSEGV, Segmentation fault.
0x00007ffff7ad22a0 in GC_push_all_eager () from /nix/store/p1z58l18klf88iijpd0qi8yd2n9lhlk4-boehm-gc-8.0.4/lib/libgc.so.1
(gdb) bt
0  0x00007ffff7ad22a0 in GC_push_all_eager () from /nix/store/p1z58l18klf88iijpd0qi8yd2n9lhlk4-boehm-gc-8.0.4/lib/libgc.so.1
1  0x00007ffff7adeefb in GC_push_all_stacks () from /nix/store/p1z58l18klf88iijpd0qi8yd2n9lhlk4-boehm-gc-8.0.4/lib/libgc.so.1
2  0x00007ffff7ad5ac7 in GC_mark_some () from /nix/store/p1z58l18klf88iijpd0qi8yd2n9lhlk4-boehm-gc-8.0.4/lib/libgc.so.1
3  0x00007ffff7ad77bd in GC_stopped_mark () from /nix/store/p1z58l18klf88iijpd0qi8yd2n9lhlk4-boehm-gc-8.0.4/lib/libgc.so.1
4  0x00007ffff7adbe3a in GC_try_to_collect_inner.part.0 () from /nix/store/p1z58l18klf88iijpd0qi8yd2n9lhlk4-boehm-gc-8.0.4/lib/libgc.so.1
5  0x00007ffff7adc2a2 in GC_collect_or_expand () from /nix/store/p1z58l18klf88iijpd0qi8yd2n9lhlk4-boehm-gc-8.0.4/lib/libgc.so.1
6  0x00007ffff7adc4f8 in GC_allocobj () from /nix/store/p1z58l18klf88iijpd0qi8yd2n9lhlk4-boehm-gc-8.0.4/lib/libgc.so.1
7  0x00007ffff7adc88f in GC_generic_malloc_inner () from /nix/store/p1z58l18klf88iijpd0qi8yd2n9lhlk4-boehm-gc-8.0.4/lib/libgc.so.1
8  0x00007ffff7ae1a04 in GC_generic_malloc_many () from /nix/store/p1z58l18klf88iijpd0qi8yd2n9lhlk4-boehm-gc-8.0.4/lib/libgc.so.1
9  0x00007ffff7ae1c72 in GC_malloc_kind () from /nix/store/p1z58l18klf88iijpd0qi8yd2n9lhlk4-boehm-gc-8.0.4/lib/libgc.so.1
10 0x00007ffff7e003d6 in nix::EvalState::allocValue() () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixexpr.so
11 0x00007ffff7e04b9c in nix::EvalState::callPrimOp(nix::Value&, nix::Value&, nix::Value&, nix::Pos const&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixexpr.so
12 0x00007ffff7e0a773 in nix::EvalState::callFunction(nix::Value&, nix::Value&, nix::Value&, nix::Pos const&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixexpr.so
13 0x00007ffff7e0a91d in nix::ExprApp::eval(nix::EvalState&, nix::Env&, nix::Value&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixexpr.so
14 0x00007ffff7e0a8f8 in nix::ExprApp::eval(nix::EvalState&, nix::Env&, nix::Value&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixexpr.so
15 0x00007ffff7e0e0e8 in nix::ExprOpNEq::eval(nix::EvalState&, nix::Env&, nix::Value&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixexpr.so
16 0x00007ffff7e0d708 in nix::ExprOpOr::eval(nix::EvalState&, nix::Env&, nix::Value&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixexpr.so
17 0x00007ffff7e0d695 in nix::ExprOpOr::eval(nix::EvalState&, nix::Env&, nix::Value&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixexpr.so
18 0x00007ffff7e0d695 in nix::ExprOpOr::eval(nix::EvalState&, nix::Env&, nix::Value&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixexpr.so
19 0x00007ffff7e0d695 in nix::ExprOpOr::eval(nix::EvalState&, nix::Env&, nix::Value&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixexpr.so
20 0x00007ffff7e0d695 in nix::ExprOpOr::eval(nix::EvalState&, nix::Env&, nix::Value&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixexpr.so
21 0x00007ffff7e09e19 in nix::ExprOpNot::eval(nix::EvalState&, nix::Env&, nix::Value&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixexpr.so
22 0x00007ffff7e0a792 in nix::EvalState::callFunction(nix::Value&, nix::Value&, nix::Value&, nix::Pos const&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixexpr.so
23 0x00007ffff7e8cba0 in nix::addPath(nix::EvalState&, nix::Pos const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, nix::Value*, nix::FileIngestionMethod, std::optional<nix::Hash>, nix::Value&)::{lambda(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)#1}::operator()(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixexpr.so
24 0x00007ffff752e6f9 in nix::dump(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, nix::Sink&, std::function<bool (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixutil.so
25 0x00007ffff752e8e2 in nix::dump(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, nix::Sink&, std::function<bool (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixutil.so
26 0x00007ffff752e8e2 in nix::dump(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, nix::Sink&, std::function<bool (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixutil.so
27 0x00007ffff752e8e2 in nix::dump(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, nix::Sink&, std::function<bool (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixutil.so
28 0x00007ffff752e8e2 in nix::dump(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, nix::Sink&, std::function<bool (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixutil.so
29 0x00007ffff752e8e2 in nix::dump(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, nix::Sink&, std::function<bool (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>&) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixutil.so
30 0x00007ffff757f8c0 in void boost::context::detail::fiber_entry<boost::context::detail::fiber_record<boost::context::fiber, nix::VirtualStackAllocator, boost::coroutines2::detail::pull_coroutine<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >::control_block::control_block<nix::VirtualStackAllocator, nix::sinkToSource(std::function<void (nix::Sink&)>, std::function<void ()>)::SinkToSource::read(char*, unsigned long)::{lambda(boost::coroutines2::detail::push_coroutine<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >&)#1}>(boost::context::preallocated, nix::VirtualStackAllocator&&, nix::sinkToSource(std::function<void (nix::Sink&)>, std::function<void ()>)::SinkToSource::read(char*, unsigned long)::{lambda(boost::coroutines2::detail::push_coroutine<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >&)#1}&&)::{lambda(boost::context::fiber&&)#1}> >(boost::context::detail::transfer_t) () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libnixutil.so
31 0x00007ffff6f331ef in make_fcontext () from /nix/store/hzdzcv9d3bc8rlsaphh7x54zsf0x8nx6-nix-2.4pre20210601_5985b8b/lib/libboost_context.so.1.69.0
32 0x0000000000000000 in ?? ()
```
 2021-06-24 12:20:39 +02:00
Eelco Dolstra 8eaf03bcb4
Merge pull request #4940 from NixOS/ca/unresolved-post-build-hook 
Make the post-build-hook also run for unresolved CA derivations
 2021-06-24 12:16:52 +02:00
regnat be7a4a6a13 Make the post-build-hook also run for unresolved CA derivations 
Fix #4837
 2021-06-24 11:41:57 +02:00
Thomas Churchman e3d11f9a9c Improve machine store URI parsing 2021-06-23 22:09:22 +01:00
Jan Tojnar bee71e1bb1 Add a fish completion script 
This is only rudimentary support as allowed by `NIX_GET_COMPLETIONS`.

In the future, we could use complete’s `--wraps` argument to autocomplete arguments for programs after `nix shell -c`.
 2021-06-23 19:59:58 +02:00
regnat 01a3f4d7ec Fix the CA gc test 
Broken by https://github.com/NixOS/nix/issues/4936
 2021-06-23 17:37:29 +02:00
regnat fd3f5e9085 Make the CA tests actuall test CA derivations 
Fix a mistake in config.nix that was preventing
`NIX_TESTS_CA_BY_DEFAULT` from having any meaningful effect
 2021-06-23 17:36:50 +02:00
Alyssa Ross 4f80464645
Apply OS checks to host platform, not build 
Previously, the build system used uname(1) output when it wanted to
check the operating system it was being built for, which meant that it
didn't take into-account cross-compilation when the build and host
operating systems were different.

To fix this, instead of consulting uname output, we consult the host
triple, specifically the third "kernel" part.

For "kernel"s with stable ABIs, like Linux or Cygwin, we can use a
simple ifeq to test whether we're compiling for that system, but for
other platforms, like Darwin, FreeBSD, or Solaris, we have to use a
more complicated check to take into account the version numbers at the
end of the "kernel"s.  I couldn't find a way to just strip these
version numbers in GNU Make without shelling out, which would be even
more ugly IMO.  Because these checks differ between kernels, and the
patsubst ones are quite fiddly, I've added variables for each host OS
we might want to check to make them easier to reuse.
 2021-06-23 15:00:36 +00:00
Eelco Dolstra 323e5450a1 Merge branch 'update-nix_path-url' of https://github.com/kini/nix 2021-06-23 15:34:06 +02:00
Eelco Dolstra 0a535dd5ac
Merge pull request #4839 from NixOS/ca/gracefully-handle-duplicate-realisations 
Gracefully handle duplicate realisations
 2021-06-23 11:50:18 +02:00
Eelco Dolstra f9f773b332
Merge pull request #4908 from NixOS/ca/fix-nix-develop 
Make `nix develop` work with CA derivations
 2021-06-23 11:27:58 +02:00
regnat c878cee895 Assert that compatible realisations have the same dependencies 
Should always hold, but that’s not necessarily obvious, so better
enforce it
 2021-06-23 11:27:16 +02:00
regnat 16fb7d8d95 Display the diverging paths in case of a realisation mismatch 2021-06-23 11:27:16 +02:00
regnat 40f925b2da Fix indentation 2021-06-23 11:27:16 +02:00
regnat d32cf0c17a Gracefully ignore a substituter if it holds an incompatible realisation 2021-06-23 11:27:16 +02:00
regnat b8f7177a7b Properly fail when trying to register an incoherent realisation 2021-06-23 11:27:14 +02:00
Eelco Dolstra 7945055c63
Merge pull request #4842 from NixOS/ca/fix-nix-shell 
Make `nix-shell` support content-addressed derivations
 2021-06-23 11:26:22 +02:00
regnat a5df669bc6 Add a test for the “two glibc” issue 2021-06-23 11:18:31 +02:00
Eelco Dolstra 4a5aa1dbf6
Merge pull request #4838 from NixOS/ca/recursively-substitute-realisations 
Recursively substitute the realisations
 2021-06-23 10:33:25 +02:00
Eelco Dolstra 2ab7c821f3
Merge pull request #4911 from matthewbauer/fix-zsh-completion 
Fix zsh completion script
 2021-06-23 10:07:36 +02:00
Eelco Dolstra 26d2c62225
Merge pull request #4906 from NixOS/collect-garbage-ca 
Make `computeFSClosure` ca-aware
 2021-06-23 10:07:08 +02:00
Eelco Dolstra d9a43d3137
Merge pull request #4905 from NixOS/ca-derivations-machine-feature 
Add a ca-derivations required machine feature
 2021-06-23 10:05:53 +02:00
Eelco Dolstra 3e4126b67c
Merge pull request #4926 from NixOS/ca/build-remote-signal-6 
Fix the remote build of CA derivations
 2021-06-23 10:04:35 +02:00
Eelco Dolstra 4f9508c3b5
Merge pull request #4836 from NixOS/ca/track-drvoutput-dependencies-2-le-retour 
Track the dependencies of CA realisations
 2021-06-23 10:03:31 +02:00
regnat ed0e21a88d Fix indentation 2021-06-23 08:16:34 +02:00
regnat 7c96a76dd7 Reformat the sql statements 2021-06-23 08:16:34 +02:00
Théophane Hufschmitt 8d09a4f9a0 Remove a useless string split 
Co-authored-by: Eelco Dolstra <edolstra@gmail.com>
 2021-06-23 08:16:34 +02:00
Théophane Hufschmitt c13d7d0b97 Pass more values by reference 
Rather than copying them around everywhere

Co-authored-by: Eelco Dolstra <edolstra@gmail.com>
 2021-06-23 08:16:34 +02:00
Maximilian Bosch 6f206549ba
Move writeStructuredAttrsShell out of ParsedDerivation class 2021-06-22 21:14:20 +02:00
Maximilian Bosch 27ce722638
Prefix env vars for attrs.* files with NIX_ 2021-06-22 19:45:08 +02:00
Maximilian Bosch a92245b110
Remove now-obsolete typedef 2021-06-22 19:15:57 +02:00
Maximilian Bosch 3504c811a5
Add testcase for nix develop with __structuredAttrs 2021-06-22 19:15:57 +02:00
Maximilian Bosch f1e281c4fe
Split shell & json creation for build environments with structured attrs 2021-06-22 19:15:57 +02:00
Maximilian Bosch 447928bdb5
Fix usage of structured attrs for nix develop 2021-06-22 19:15:57 +02:00
Maximilian Bosch 3944a120ec
Set environment variables for .attrs.json & .attrs.sh 
This way no derivation has to expect that these files are in the `cwd`
during the build. This is problematic for `nix-shell` where these files
would have to be inserted into the nix-shell's `cwd` which can become
problematic with e.g. recursive `nix-shell`.

To remain backwards-compatible, the location inside the build sandbox
will be kept, however using these files directly should be deprecated
from now on.
 2021-06-22 19:15:57 +02:00
Maximilian Bosch 3b5429aec1
Source complete env in nix-shell with __structuredAttrs = true; 
This is needed to push the adoption of structured attrs[1] forward. It's
now checked if a `__json` exists in the environment-map of the derivation
to be openend in a `nix-shell`.

Derivations with structured attributes enabled also make use of a file
named `.attrs.json` containing every environment variable represented as
JSON which is useful for e.g. `exportReferencesGraph`[2]. To
provide an environment similar to the build sandbox, `nix-shell` now
adds a `.attrs.json` to `cwd` (which is mostly equal to the one in the
build sandbox) and removes it using an exit hook when closing the shell.

To avoid leaking internals of the build-process to the `nix-shell`, the
entire logic to generate JSON and shell code for structured attrs was
moved into the `ParsedDerivation` class.

[1] https://nixos.mayflower.consulting/blog/2020/01/20/structured-attrs/
[2] https://nixos.org/manual/nix/unstable/expressions/advanced-attributes.html#advanced-attributes
 2021-06-22 19:15:57 +02:00
regnat 3b58dbb356 nix-shell: Replace resolving failure error by an assertion 
This shouldn’t happen in practice, so better make it explicit
 2021-06-22 11:29:55 +02:00
Domen Kožar 4b23bf797a
Merge pull request #4930 from domenkozar/perl-binding-aarch64-darwin 
perlBindings: fix build on aarch64-darwin
 2021-06-22 10:43:00 +02:00
Domen Kožar 9676c9f6a3
perlBindings: fix build on aarch64-darwin 2021-06-21 19:40:51 +02:00
regnat dcabb46124 Shorten a stupidly long sql query name 2021-06-21 16:28:06 +02:00
Eelco Dolstra 610baf359a
Merge pull request #4833 from NixOS/ca/json-realisations-in-worker-protocol 
Always send the realisations as JSON
 2021-06-21 16:12:17 +02:00
Eelco Dolstra 24e7353232
Merge pull request #4928 from NixOS/ca/remove-existing-invalid-store-path 
Remove a possible existing store path when building CA derivations
 2021-06-21 16:09:21 +02:00
Eelco Dolstra 55b4623d21
Merge pull request #4929 from NixOS/only-symlink-wanted-outputs 
Only symlink the requested outputs in `nix build`
 2021-06-21 16:07:33 +02:00
Théophane Hufschmitt ce674cb2cf
Properly set the output env variables 
Co-authored-by: John Ericson <git@JohnEricson.me>
 2021-06-21 15:52:01 +02:00
regnat 608434722b Only symlink the requested outputs in nix build 
Fix #4925
 2021-06-21 15:47:47 +02:00
regnat 3784c66a46 Remove a possible existing store path when building CA derivations 
In case a previous interrupted build left a garbage path laying around,
remove it before trying to move the path to its final location.

Fix #4858
 2021-06-21 15:29:15 +02:00
regnat 498677cbed Fix the remote build of CA derivations 
Make sure that the derivation we send to the remote builder is exactly
the one that we want to build locally so that the output ids are exactly
the same

Fix #4845
 2021-06-21 14:18:33 +02:00
Eelco Dolstra db3de0727e
Merge pull request #4923 from edolstra/uds-store-root-param 
UDSRemoteStore: Support the 'root' store parameter
 2021-06-21 10:19:57 +02:00
Eelco Dolstra 4202a3bc4e UDSRemoteStore: Support the 'root' store parameter 
Useful when we're using a daemon with a chroot store, e.g.

  $ NIX_DAEMON_SOCKET_PATH=/tmp/chroot/nix/var/nix/daemon-socket/socket nix-daemon --store /tmp/chroot

Then the client can now connect with

  $ nix build --store unix:///tmp/chroot/nix/var/nix/daemon-socket/socket?root=/tmp/chroot nixpkgs#hello
 2021-06-18 17:04:11 +02:00