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2024-06-19filetransfer: return a Source from download()eldritch horrors
without this we will not be able to get rid of makeDecompressionSink, which in turn will be necessary to get rid of sourceToSink (since the libarchive archive wrapper *must* be a Source due to api limitations) Change-Id: Iccd3d333ba2cbcab49cb5a1d3125624de16bce27
2024-06-19libutil: return a source from readFileeldritch horrors
don't consume a sink, return a source instead. the only reason to not do this is a very slight reduction in dynamic allocations, but since we are going to *at least* do disk io that will not be a lot of overhead anyway Change-Id: Iae2f879ec64c3c3ac1d5310eeb6a85e696d4614a
2024-06-19libstore: BinaryCacheStore::getFile{ -> Contents}eldritch horrors
if we want have getFile return a source instead of consuming a sink we'll have to disambiguate this overload another way, eg like this. Change-Id: Ia26de2020c309a37e7ccc3775c1ad1f32e0a778b
2024-06-18store: fix null reference from DerivationGoal::waiteeDoneJade Lovelace
This happened during a PathSubstitutionGoal of a .drv file: substitution of '/tmp/jade/nix-test/ca/eval-store/store/1lj7lsq5y0f25mfbnq6d3zd0bw5ay33n-dependencies-input-2.drv' What happened here is that since PathSubstitutionGoal is not a DerivationGoal, in production builds, the UB was not caught, since it would early-exit from failing a dynamic_cast to DerivationGoal * on the very next line, but before the null reference was ever used. This was nonetheless UB. The fix should be to just rearrange the two lines; I don't think there is a further bug there, since *substituting a .drv* **necessarily** means you cannot have the representation of the derivation as would be necessary for drv to not be null there. Test failure: ++(eval-store.sh:12) _RR_TRACE_DIR=/home/jade/.local/share/rr rr record -- nix build -f dependencies.nix --eval-store /tmp/jade/nix-test/ca/eval-store/eval-store -o /tmp/jade/nix-test/ca/eval-store/result don't know how to build these paths: /tmp/jade/nix-test/ca/eval-store/store/6y51mf0p57ggipgab6hdjabbvplzsicq-dependencies-top.drv copying 1 paths... copying path '/tmp/jade/nix-test/ca/eval-store/store/8027afyvqb87y1sf5xhdkqsflqn1ziy8-dependencies.builder0.sh' to 'local'... copying 1 paths... copying path '/tmp/jade/nix-test/ca/eval-store/store/7r5pqyncvfgrryf9gzy1z56z3xigi61x-builder-dependencies-input-0.sh' to 'local'... copying 1 paths... copying path '/tmp/jade/nix-test/ca/eval-store/store/nhmgm87zlqy3ks96dxrn7l37b72azi99-builder-dependencies-input-1.sh' to 'local'... copying 1 paths... copying path '/tmp/jade/nix-test/ca/eval-store/store/nq4qa2j6y8ajqazlfq6h46ck637my1n6-builder-dependencies-input-2.sh' to 'local'... copying 1 paths... copying path '/tmp/jade/nix-test/ca/eval-store/store/6vh0vna9l5afck01y7iaks3hm9ikwqyj-builder-fod-input.sh' to 'local'... building '/tmp/jade/nix-test/ca/eval-store/store/gy91pqymf2nc5v7ld1bad94xpwxdi25s-dependencies-input-0.drv'... building '/tmp/jade/nix-test/ca/eval-store/store/w7wlkjx97ivmnrymkac5av3nyp94hzvq-dependencies-input-1.drv'... ../src/libstore/build/derivation-goal.cc:1556:22: runtime error: reference binding to null pointer of type 'Derivation' 0 0x734ba59a6886 in nix::DerivationGoal::waiteeDone(std::shared_ptr<nix::Goal>, nix::Goal::ExitCode) /home/jade/lix/lix2/build/src/libstore/build/derivation-goal.cc:1556:12 1 0x734ba59c0962 in nix::Goal::amDone(nix::Goal::ExitCode, std::optional<nix::Error>) /home/jade/lix/lix2/build/src/libstore/build/goal.cc:95:25 2 0x734ba5a1c44a in nix::PathSubstitutionGoal::done(nix::Goal::ExitCode, nix::BuildResult::Status, std::optional<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>>) /home/jade/lix/lix2/build/src/libstore/build/substitution-goal.cc:38:5 3 0x734ba5a1b454 in nix::PathSubstitutionGoal::init() /home/jade/lix/lix2/build/src/libstore/build/substitution-goal.cc:56:9 4 0x734ba5a2a6c6 in nix::Worker::run(std::set<std::shared_ptr<nix::Goal>, nix::CompareGoalPtrs, std::allocator<std::shared_ptr<nix::Goal>>> const&) /home/jade/lix/lix2/build/src/libstore/build/worker.cc:320:23 5 0x734ba59b93d8 in nix::Store::buildPathsWithResults(std::vector<nix::DerivedPath, std::allocator<nix::DerivedPath>> const&, nix::BuildMode, std::shared_ptr<nix::Store>) /home/jade/lix/lix2/build/src/libstore/build/entry-points.cc:60:12 6 0x734ba663c107 in nix::Installable::build2(nix::ref<nix::Store>, nix::ref<nix::Store>, nix::Realise, std::vector<nix::ref<nix::Installable>, std::allocator<nix::ref<nix::Installable>>> const&, nix::BuildMode) /home/jade/lix/lix2/build/src/libcmd/installables.cc:637:36 Change-Id: Id0e651e480bebf6356733b01bc639e9bb59c7bd0
2024-06-18filetransfer: {up,down}load -> transfereldritch horrors
even the transfer function is not all that necessary since there aren't that many users, but we'll keep it for now. we could've kept both names but we also kind of want to use `download` for something else very soon Change-Id: I005e403ee59de433e139e37aa2045c26a523ccbf
2024-06-18libstore: fix queryValidPaths concurrencyJade Lovelace
The lock usage was obviously wrong so it was entirely serialized. This has the predicted speedups, the only question is whether it is sound because it's exposing a bunch of new code to actual concurrency. I did audit all the stores' queryPathInfoUncached implementations and they all look *intended* to be thread safe, but whether that is actually sound or not: lol lmao. I am highly confident in the s3 one because it is calling s3 sdk methods that are thread safe and has no actual state. Others are using Pool and look to be *supposed* to be thread safe, but unsure if they actually are. Change-Id: I0369152a510e878b5ac56c9ac956a98d48cd5fef
2024-06-18store-api: fix/clarify capture lifetimes in copyPathsJade Lovelace
This seems to fix a use of stack after return. Change-Id: If690a6defb9a3225684685132cf78b227e271447
2024-06-18libstore: work around aws sdk log spam at debug levelJade Lovelace
aws-sdk-cpp spams logs about sending TLS data in the otherwise rather helpful debug logs. I've filed a PR upstream to stop it, but for now we can just fix their verbosity ourselves. Upstream-PR: https://github.com/aws/aws-sdk-cpp/pull/3003 Change-Id: I0c41a50d5f5958106836d6345843f4b05b9c8981
2024-06-18s3: delete obsolete ifdefsJade Lovelace
The versions checked for are so old that we can just drop support. Change-Id: Ib9cf136d1cb9a4a91a6613102c4fd15e1190363b
2024-06-16libstore client: remove remaining dead codeJade Lovelace
Change-Id: I1764b3878439ff7b20ff64bd4efcf03070bb0e5e
2024-06-16libstore: refuse to serialise ancient protocolsJade Lovelace
We don't want to deal with these at all, let's stop doing so. (marking this one as the fix commit since its immediate predecessors aren't the complete fix) Fixes: https://git.lix.systems/lix-project/lix/issues/325 Change-Id: Ieea1b0b8ac0f903d1e24e5b3e63cfe12eeec119d
2024-06-16libstore client: remove support for <2.3 clientsJade Lovelace
Change-Id: I71c2e8ca644b6187e0084f35e82f3316c9d425b0
2024-06-16libstore daemon: remove very old protocol support (<2.3)Jade Lovelace
Change-Id: Ic05f478a659c199a66fe78ae05d357d317ac41b0
2024-06-16Set up minimum protocol versionJade Lovelace
Change-Id: Ibb931109a8328cfb22964542ab53644cc4181f9e
2024-06-15Change the sqlite missing valid path message to say it's the dbJade Lovelace
I meant to edit https://gerrit.lix.systems/c/lix/+/1161 but apparently clicked the wrong button somehow. Oops. Change-Id: I9b9ba058ec9206d3c8abe125d91dc554cced52fe
2024-06-16Change error messages about 'invalid paths' to 'path does not exist'.julia
Fixes #270. Change-Id: I07d2da41498cfdf324a03af40533044d58c97c7e
2024-06-16Add a clearer error message for InvalidPathError during evaluationjulia
Part of #270, #271 Change-Id: I864d7340f26d3c0f9c45db7b6b545face38d8294
2024-06-16Harmonise the Store::queryPathInfoUncached interfacejulia
This: - Consistently returns `nullptr` for a non-existent store path, instead of a mix of `nullptr` and throwing exceptions. - If a store returns "bad" store paths in response to a request (e.g. incorrect hash or name), don't cache this result. This removes some duplication of code at the cache-access layer of queryPathInfo() checking this, and ­allows us to provide more specific errors. Part of #270. Change-Id: I86612c6499b1a37ab872c712c2304d6a3ff19edb
2024-06-12doc: rewrite the multi-user documentation to actually talk about securityJade Lovelace
It's in the security section, and it was totally outdated anyway. I took the opportunity to write down the stuff we already believed. Change-Id: I73e62ae85a82dad13ef846e31f377c3efce13cb0
2024-06-06build: expose option to enable or disable precompiled std headersQyriad
They are enabled by default, and Meson will also prints whether or not they're enabled at the bottom at the end of configuration. Change-Id: I48db238510bf9e74340b86f243f4bbe360794281
2024-06-06Merge "libstore/filetransfer: fix no-s3 build" into mainjade
2024-06-05libstore/filetransfer: fix no-s3 buildLinus Heckemann
Fixes a compiler error that looks like: error: could not convert '[...]' from 'future<void>' to 'future<nix::FileTransferResult>' Change-Id: I4aeadfeba0dadfdf133f25e6abce90ede7a86ca6
2024-06-01Merge "build: fix static linking with a hack" into mainQyriad
2024-06-01chore: rebrand Nix to Lix when it makes senseRaito Bezarius
Here's my guide so far: $ rg '((?!(recursive).*) Nix (?!(daemon|store|expression|Rocks!|Packages|language|derivation|archive|account|user|sandbox|flake).*))' -g '!doc/' --pcre2 All items from this query have been tackled. For the documentation side: that's for https://git.lix.systems/lix-project/lix/issues/162. Additionally, all remaining references to github.com/NixOS/nix which were not relevant were also replaced. Fixes: https://git.lix.systems/lix-project/lix/issues/148. Fixes: https://git.lix.systems/lix-project/lix/issues/162. Change-Id: Ib3451fae5cb8ab8cd9ac9e4e4551284ee6794545 Signed-off-by: Raito Bezarius <raito@lix.systems>
2024-05-31build: fix static linking with a hackQyriad
This causes libstore, libexpr, libfetchers, and libutil to be linked with -Wl,--whole-archive to executables, when building statically. libstore for the store backends, libexpr for the primops, libfetchers for the fetcher backends I assume(?), and libutil for the nix::logger initializer (which notably shows in pre-main constructors when HOME is not owned by the user. cursed.). This workaround should be removed when #359 is fixed. Fixes #306. Change-Id: Ie9ef0154e09a6ed97920ee8ab23810ca5e2de84c
2024-05-31Merge "truncate WAL files on exit" into mainjade
2024-05-31Merge changes Ifcb0d310,I664366b8,Ibe7cf546 into mainjade
* changes: gitignore: delete 90% of it build-time: remove 20% more by PCH'ing C++ stdlib shellHook: make it actually run
2024-05-31truncate WAL files on exitannalee
Fix for https://github.com/NixOS/nix/issues/10300 https://github.com/lix-project/lix/commit/18a26202737a74f216d285d92bd4a84761788026 enabled persistent WAL files that will never get truncated. to fix this, journal_size_limit is set to 2^40, which results in the WAL files being truncated to 0 on exit, as well as limiting the WAL files to 2^40 bytes following a checkpoint. this aligns lix with the nix change: https://github.com/NixOS/nix/pull/10301 https://www.sqlite.org/c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlpersistwal https://www.sqlite.org/pragma.html#pragma_journal_size_limit https://github.com/sqlite/sqlite/blob/ed517a708284b6e00b6ae5f1e3f702bbfcbd32ed/src/wal.c#L2518 PR-Link: https://github.com/lix-project/lix/pull/9 Co-Authored-By: paparodeo <170618376+paparodeo@users.noreply.github.com> Change-Id: I90ec1a467c92c582ff8c07dd363a4cf789782214
2024-05-31libstore/build: copy ca-certificates tooAlois Wohlschlager
In b469c6509ba616da6df8a27e4ccb205a877c66c9, the ca-certificates file was missed. It should be copied too so that we don't end up bind-mounting a broken symlink. Change-Id: Ic9b292d602eb94b0e78f77f2a27a19d24665783c
2024-05-30build-time: remove 20% more by PCH'ing C++ stdlibJade Lovelace
It seems like someone implemented precompiled headers a long time ago and then it never got ported to meson or maybe didn't work at all. This is, however, blessedly easy to simply implement. I went looking for `#define` that could affect the result of precompiling the headers, and as far as I can tell we aren't doing any of that, so this should truly just be free build time savings. Previous state: Compilation (551 times): Parsing (frontend): 1302.1 s Codegen & opts (backend): 956.3 s New state: **** Time summary: Compilation (567 times): Parsing (frontend): 1123.0 s Codegen & opts (backend): 1078.1 s I wonder if the "regression" in codegen time is just doing the PCH operation a few times, because meson does it per-target. Change-Id: I664366b8069bab4851308b3a7571bea97ac64022
2024-05-30Merge "Remove 100s of CPU time (10%) from build times (1465s -> 1302s)" into ↵jade
main
2024-05-30libstore/filetransfer: remove debug printK900
foo. Change-Id: I7d7db22f68046d2ecf3b594b4ee6fd9c9dac4be1
2024-05-29Remove 100s of CPU time (10%) from build times (1465s -> 1302s)Jade Lovelace
I saw that boost/lexical_cast was costing about 100s in CPU time on our compiles. We can fix this trivially by doing explicit template instantiation in exactly one place and eliminating all other includes of it, which is a code improvement anyway by hiding the boost. Before: ``` lix/lix2 » ClangBuildAnalyzer --analyze buildtimeold.bin Analyzing build trace from 'buildtimeold.bin'... **** Time summary: Compilation (551 times): Parsing (frontend): 1465.3 s Codegen & opts (backend): 1110.9 s <snip> **** Expensive headers: 178153 ms: ../src/libcmd/installable-value.hh (included 52 times, avg 3426 ms), included via: 40x: command.hh 5x: command-installable-value.hh 3x: installable-flake.hh 2x: <direct include> 2x: installable-attr-path.hh 176217 ms: ../src/libutil/error.hh (included 246 times, avg 716 ms), included via: 36x: command.hh installable-value.hh installables.hh derived-path.hh config.hh experimental-features.hh 12x: globals.hh config.hh experimental-features.hh 11x: file-system.hh file-descriptor.hh 6x: serialise.hh strings.hh 6x: <direct include> 6x: archive.hh serialise.hh strings.hh ... 173243 ms: ../src/libstore/store-api.hh (included 152 times, avg 1139 ms), included via: 55x: <direct include> 39x: command.hh installable-value.hh installables.hh 7x: libexpr.hh 4x: local-store.hh 4x: command-installable-value.hh installable-value.hh installables.hh 3x: binary-cache-store.hh ... 170482 ms: ../src/libutil/serialise.hh (included 201 times, avg 848 ms), included via: 37x: command.hh installable-value.hh installables.hh built-path.hh realisation.hh hash.hh 14x: store-api.hh nar-info.hh hash.hh 11x: <direct include> 7x: primops.hh eval.hh attr-set.hh nixexpr.hh value.hh source-path.hh archive.hh 7x: libexpr.hh value.hh source-path.hh archive.hh 6x: fetchers.hh hash.hh ... 169397 ms: ../src/libcmd/installables.hh (included 53 times, avg 3196 ms), included via: 40x: command.hh installable-value.hh 5x: command-installable-value.hh installable-value.hh 3x: installable-flake.hh installable-value.hh 2x: <direct include> 1x: installable-derived-path.hh 1x: installable-value.hh ... 159740 ms: ../src/libutil/strings.hh (included 221 times, avg 722 ms), included via: 37x: command.hh installable-value.hh installables.hh built-path.hh realisation.hh hash.hh serialise.hh 19x: <direct include> 14x: store-api.hh nar-info.hh hash.hh serialise.hh 11x: serialise.hh 7x: primops.hh eval.hh attr-set.hh nixexpr.hh value.hh source-path.hh archive.hh serialise.hh 7x: libexpr.hh value.hh source-path.hh archive.hh serialise.hh ... 156796 ms: ../src/libcmd/command.hh (included 51 times, avg 3074 ms), included via: 42x: <direct include> 7x: command-installable-value.hh 2x: installable-attr-path.hh 150392 ms: ../src/libutil/types.hh (included 251 times, avg 599 ms), included via: 36x: command.hh installable-value.hh installables.hh path.hh 11x: file-system.hh 10x: globals.hh 6x: fetchers.hh 6x: serialise.hh strings.hh error.hh 5x: archive.hh ... 133101 ms: /nix/store/644b90j1vms44nr18yw3520pzkrg4dd1-boost-1.81.0-dev/include/boost/lexical_cast.hpp (included 226 times, avg 588 ms), included via : 37x: command.hh installable-value.hh installables.hh built-path.hh realisation.hh hash.hh serialise.hh strings.hh 19x: file-system.hh 11x: store-api.hh nar-info.hh hash.hh serialise.hh strings.hh 7x: primops.hh eval.hh attr-set.hh nixexpr.hh value.hh source-path.hh archive.hh serialise.hh strings.hh 7x: libexpr.hh value.hh source-path.hh archive.hh serialise.hh strings.hh 6x: eval.hh attr-set.hh nixexpr.hh value.hh source-path.hh archive.hh serialise.hh strings.hh ... 132887 ms: /nix/store/h2abv2l8irqj942i5rq9wbrj42kbsh5y-gcc-12.3.0/include/c++/12.3.0/memory (included 262 times, avg 507 ms), included via: 36x: command.hh installable-value.hh installables.hh path.hh types.hh ref.hh 16x: gtest.h 11x: file-system.hh types.hh ref.hh 10x: globals.hh types.hh ref.hh 10x: json.hpp 6x: serialise.hh ... done in 0.6s. ``` After: ``` lix/lix2 » maintainers/buildtime_report.sh build Processing all files and saving to '/home/jade/lix/lix2/maintainers/../buildtime.bin'... done in 0.6s. Run 'ClangBuildAnalyzer --analyze /home/jade/lix/lix2/maintainers/../buildtime.bin' to analyze it. Analyzing build trace from '/home/jade/lix/lix2/maintainers/../buildtime.bin'... **** Time summary: Compilation (551 times): Parsing (frontend): 1302.1 s Codegen & opts (backend): 956.3 s <snip> **** Expensive headers: 178145 ms: ../src/libutil/error.hh (included 246 times, avg 724 ms), included via: 36x: command.hh installable-value.hh installables.hh derived-path.hh config.hh experimental-features.hh 12x: globals.hh config.hh experimental-features.hh 11x: file-system.hh file-descriptor.hh 6x: <direct include> 6x: serialise.hh strings.hh 6x: fetchers.hh hash.hh serialise.hh strings.hh ... 154043 ms: ../src/libcmd/installable-value.hh (included 52 times, avg 2962 ms), included via: 40x: command.hh 5x: command-installable-value.hh 3x: installable-flake.hh 2x: <direct include> 2x: installable-attr-path.hh 153593 ms: ../src/libstore/store-api.hh (included 152 times, avg 1010 ms), included via: 55x: <direct include> 39x: command.hh installable-value.hh installables.hh 7x: libexpr.hh 4x: local-store.hh 4x: command-installable-value.hh installable-value.hh installables.hh 3x: binary-cache-store.hh ... 149948 ms: ../src/libutil/types.hh (included 251 times, avg 597 ms), included via: 36x: command.hh installable-value.hh installables.hh path.hh 11x: file-system.hh 10x: globals.hh 6x: fetchers.hh 6x: serialise.hh strings.hh error.hh 5x: archive.hh ... 144560 ms: ../src/libcmd/installables.hh (included 53 times, avg 2727 ms), included via: 40x: command.hh installable-value.hh 5x: command-installable-value.hh installable-value.hh 3x: installable-flake.hh installable-value.hh 2x: <direct include> 1x: installable-value.hh 1x: installable-derived-path.hh ... 136585 ms: ../src/libcmd/command.hh (included 51 times, avg 2678 ms), included via: 42x: <direct include> 7x: command-installable-value.hh 2x: installable-attr-path.hh 133394 ms: /nix/store/h2abv2l8irqj942i5rq9wbrj42kbsh5y-gcc-12.3.0/include/c++/12.3.0/memory (included 262 times, avg 509 ms), included via: 36x: command.hh installable-value.hh installables.hh path.hh types.hh ref.hh 16x: gtest.h 11x: file-system.hh types.hh ref.hh 10x: globals.hh types.hh ref.hh 10x: json.hpp 6x: serialise.hh ... 89315 ms: ../src/libstore/derived-path.hh (included 178 times, avg 501 ms), included via: 37x: command.hh installable-value.hh installables.hh 25x: store-api.hh realisation.hh 7x: primops.hh eval.hh attr-set.hh nixexpr.hh value.hh context.hh 6x: eval.hh attr-set.hh nixexpr.hh value.hh context.hh 6x: libexpr.hh value.hh context.hh 6x: shared.hh ... 87347 ms: /nix/store/h2abv2l8irqj942i5rq9wbrj42kbsh5y-gcc-12.3.0/include/c++/12.3.0/ostream (included 273 times, avg 319 ms), included via: 35x: command.hh installable-value.hh installables.hh path.hh types.hh ref.hh memory unique_ptr.h 12x: regex sstream istream 10x: file-system.hh types.hh ref.hh memory unique_ptr.h 10x: gtest.h memory unique_ptr.h 10x: globals.hh types.hh ref.hh memory unique_ptr.h 6x: fetchers.hh types.hh ref.hh memory unique_ptr.h ... 85249 ms: ../src/libutil/config.hh (included 213 times, avg 400 ms), included via: 37x: command.hh installable-value.hh installables.hh derived-path.hh 20x: globals.hh 20x: logging.hh 16x: store-api.hh logging.hh 6x: <direct include> 6x: eval.hh attr-set.hh nixexpr.hh value.hh context.hh derived-path.hh ... done in 0.5s. ``` Change-Id: I27f0a2d566db17832cd9be935f12efe7f95b92d0
2024-05-30Merge changes from topic "libutil-split" into mainjade
* changes: util.hh: Delete remaining file and clean up headers util.hh: Move nativeSystem to local-derivation-goal.cc util.hh: Move stuff to types.hh util.cc: Delete remaining file util.{hh,cc}: Move ignoreException to error.{hh,cc} util.{hh,cc}: Split out namespaces.{hh,cc} util.{hh,cc}: Split out users.{hh,cc} util.{hh,cc}: Split out strings.{hh,cc} util.{hh,cc}: Split out unix-domain-socket.{hh,cc} util.{hh,cc}: Split out child.{hh,cc} util.{hh,cc}: Split out current-process.{hh,cc} util.{hh,cc}: Split out processes.{hh,cc} util.{hh,cc}: Split out file-descriptor.{hh,cc} util.{hh,cc}: Split out file-system.{hh,cc} util.{hh,cc}: Split out terminal.{hh,cc} util.{hh,cc}: Split out environment-variables.{hh,cc}
2024-05-29libstore: fix http abuses no longer workingeldritch horrors
while refactoring the curl wrapper we inadvertently broken the immutable flake protocol, because the immutable flake protocol accumulates headers across the entire redirect chain instead of using only the headers given in the final response of the chain. this is a problem because Some Known Providers Of Flake Infrastructure set rel=immutable link headers only in the penultimate entry of the redirect chain, and curl does not regard it as worth returning to us via its response header enumeration mechanisms. fixes https://git.lix.systems/lix-project/lix/issues/358 Change-Id: I645c3932b465cde848bd6a3565925a1e3cbcdda0
2024-05-29util.hh: Delete remaining file and clean up headersTom Hubrecht
Change-Id: Ic1f68e6af658e94ef7922841dd3ad4c69551ef56
2024-05-29util.hh: Move nativeSystem to local-derivation-goal.ccTom Hubrecht
Change-Id: I74565fbfd3aeedef8f50465808fac712b84e47ad
2024-05-29util.{hh,cc}: Split out namespaces.{hh,cc}Tom Hubrecht
Change-Id: I8fd3f3b50c15ede29d489066b4e8d99c2c4636a6
2024-05-29util.{hh,cc}: Split out users.{hh,cc}Tom Hubrecht
Change-Id: I1bd92479a2cb7e5c2c2e1541b80474adb05ea0df
2024-05-29util.{hh,cc}: Split out strings.{hh,cc}Tom Hubrecht
Change-Id: I4f642d1046d56b5db26f1b0296ee16a0e02d444a
2024-05-29util.{hh,cc}: Split out unix-domain-socket.{hh,cc}Tom Hubrecht
Change-Id: I3f9a628e0f8998b6146f5caa8ae9842361a66b8b
2024-05-29util.{hh,cc}: Split out child.{hh,cc}Tom Hubrecht
Change-Id: Iec4824e071f537b17dd62dbb8c01b8eec14e9783
2024-05-29util.{hh,cc}: Split out current-process.{hh,cc}Tom Hubrecht
Change-Id: I77095b9d37e85310075bada7a076ccd482c28e47
2024-05-29util.{hh,cc}: Split out processes.{hh,cc}Tom Hubrecht
Change-Id: I39280dc40ca3f7f9007bc6c898ffcf760e2238b7
2024-05-29util.{hh,cc}: Split out file-descriptor.{hh,cc}Tom Hubrecht
Change-Id: I0dd0f9a9c2003fb887e076127e7f825fd3289c76
2024-05-29util.{hh,cc}: Split out file-system.{hh,cc}Tom Hubrecht
Change-Id: Ifa89a529e7e34e7291eca87d802d2f569cf2493e
2024-05-28util.{hh,cc}: Split out environment-variables.{hh,cc}Tom Hubrecht
Change-Id: Icff0aa33fda5147bd5dbe256a0b9d6a6c8a2c3f6
2024-05-26worker: process timeouts first, and exclusivelyeldritch horrors
check goals for timeouts first, and their activity fds only if no timeout has occurred. checking for timeouts *after* activity sets us up for assertion failures by running multiple build completion notifiers, the first of which will kill/reap the the goal process and consuming the Pid instance. when the second notifier attempts to do the same it will core dump with an assertion failure in Pid and take down not only the single goal, but the entire daemon and all goals it was building. luckily this is rare in practice since it requires a build to both finish and time out at the same time. writing a test for this is not feasible due to how much it relies on scheduling to actually trigger the underlying bug, but on idle machines it can usually be triggered by running multiple sleeping builds with timeout set to the sleep duration and `--keep-going`: nix-build --timeout 10 --builders '' --keep-going -E ' with import <nixpkgs> {}; builtins.genList (i: runCommand "foo-${toString i}" {} "sleep 10") 100 ' Change-Id: I394d36b2e5ffb909cf8a19977d569bbdb71cb67b
2024-05-25libstore: remove duplicate builder variableArtemis Tosini
The `builder` local variable and duplicate `args.push_back` are no longer required since the Darwin sandbox stopped using `sandbox-exec`. The `drv->isBuiltin` check is not required either, as args are not accessed when the builder is builtin. Change-Id: I80b939bbd6f727b01793809921810ff09b579d54
2024-05-25Merge "libstore: parse the buildMode instead of unchecked cast" into mainjade