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2024-09-26fix(nix fmt): remove the default "." argumentzimbatm
When `nix fmt` is called without an argument, Nix appends the "." argument before calling the formatter. The comment in the code is: > Format the current flake out of the box This also happens when formatting sub-folders. This means that the formatter is now unable to distinguish, as an interface, whether the "." argument is coming from the flake or the user's intent to format the current folder. This decision should be up to the formatter. Treefmt, for example, will automatically look up the project's root and format all the files. This is the desired behaviour. But because the "." argument is passed, it cannot function as expected. Upstream-PR: https://github.com/nixos/nix/pull/11438 Change-Id: I60fb6b3ed4ec1b24f81b5f0d76c0be98470817ce
2024-09-26Merge changes Iaa2e0e9d,Ia973420f into mainjade
* changes: Fix passing custom CA files into the builtin:fetchurl sandbox [security] builtin:fetchurl: Enable TLS verification
2024-09-26Merge "libutil: add async collection mechanism" into maineldritch horrors
2024-09-26Merge "fmt: fail hard on bad format strings going into nix::fmt too" into mainjade
2024-09-26Merge "main: log stack traces for std::terminate" into mainjade
2024-09-26libutil: add async collection mechanismeldritch horrors
like kj::joinPromisesFailFast this allows waiting for the results of multiple promises at once, but unlike it not all input promises must be complete (or any of them failed) for results to become available. Change-Id: I0e4a37e7bd90651d56b33d0bc5afbadc56cde70c
2024-09-26libutil: add an async semaphore implementationeldritch horrors
like a normal semaphore, but with awaitable acquire actions. this is primarily intended as an intermediate concurrency limiting device in the Worker code, but it may find other uses over time. we do not use std::counting_semaphore as a base because the counter of that is not inspectable as will be needed for Worker. we also do not need atomic operations for cross-thread consistency since we don't have multiple threads (thanks to kj event loops being confined to a single thread) Change-Id: Ie2bcb107f3a2c0185138330f7cbba4cec6cbdd95
2024-09-26Fix passing custom CA files into the builtin:fetchurl sandboxPuck Meerburg
Without this, verifying TLS certificates would fail on macOS, as well as any system that doesn't have a certificate file at /etc/ssl/certs/ca-certificates.crt, which includes e.g. Fedora. Change-Id: Iaa2e0e9db3747645b5482c82e3e0e4e8f229f5f9
2024-09-25[security] builtin:fetchurl: Enable TLS verificationEelco Dolstra
This is better for privacy and to avoid leaking netrc credentials in a MITM attack, but also the assumption that we check the hash no longer holds in some cases (in particular for impure derivations). Partially reverts https://github.com/NixOS/nix/commit/5db358d4d78aea7204a8f22c5bf2a309267ee038. (cherry picked from commit c04bc17a5a0fdcb725a11ef6541f94730112e7b6) (cherry picked from commit f2f47fa725fc87bfb536de171a2ea81f2789c9fb) (cherry picked from commit 7b39cd631e0d3c3d238015c6f450c59bbc9cbc5b) Upstream-PR: https://github.com/NixOS/nix/pull/11585 Change-Id: Ia973420f6098113da05a594d48394ce1fe41fbb9
2024-09-25fmt: fail hard on bad format strings going into nix::fmt tooJade Lovelace
Previously we would only crash the program for bad HintFmt calls. nix::fmt should also crash. Change-Id: I4ba0abeb8557b208bd9c0be624c022a60446ef7e
2024-09-25main: log stack traces for std::terminateJade Lovelace
These stack traces kind of suck for the reasons mentioned on the CppTrace page here (no symbols for inline functions is a major one): https://github.com/jeremy-rifkin/cpptrace I would consider using CppTrace if it were packaged, but to be honest, I think that the more reasonable option is actually to move entirely to out-of-process crash handling and symbolization. The reason for this is that if you want to generate anything of substance on SIGSEGV or really any deadly signal, you are stuck in async-signal-safe land, which is not a place to be trying to run a symbolizer. LLVM does it anyway, probably carefully, and chromium *can* do it on debug builds but in general uses crashpad: https://source.chromium.org/chromium/chromium/src/+/main:base/debug/stack_trace_posix.cc;l=974;drc=82dff63dbf9db05e9274e11d9128af7b9f51ceaa;bpv=1;bpt=1 However, some stack traces are better than *no* stack traces when we get mystery exceptions falling out the bottom of the program. I've also promoted the path for "mystery exceptions falling out the bottom of the program" to hard crash and generate a core dump because although there's been some months since the last one of these, these are nonetheless always *atrociously* diagnosed. We can't improve the crash handling further until either we use Crashpad (which involves more C++ deps, no thanks) or we put in the ostensibly work in progress Rust minidump infrastructure, in which case we need to finish full support for Rust in libutil first. Sample report: Lix crashed. This is a bug. We would appreciate if you report it at https://git.lix.systems/lix-project/lix/issues with the following information included: Exception: std::runtime_error: lol Stack trace: 0# nix::printStackTrace() in /home/jade/lix/lix3/build/src/nix/../libutil/liblixutil.so 1# 0x000073C9862331F2 in /home/jade/lix/lix3/build/src/nix/../libmain/liblixmain.so 2# 0x000073C985F2E21A in /nix/store/p44qan69linp3ii0xrviypsw2j4qdcp2-gcc-13.2.0-lib/lib/libstdc++.so.6 3# 0x000073C985F2E285 in /nix/store/p44qan69linp3ii0xrviypsw2j4qdcp2-gcc-13.2.0-lib/lib/libstdc++.so.6 4# nix::handleExceptions(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::function<void ()>) in /home/jade/lix/lix3/build/src/nix/../libmain/liblixmain.so 5# 0x00005CF65B6B048B in /home/jade/lix/lix3/build/src/nix/nix 6# 0x000073C985C8810E in /nix/store/dbcw19dshdwnxdv5q2g6wldj6syyvq7l-glibc-2.39-52/lib/libc.so.6 7# __libc_start_main in /nix/store/dbcw19dshdwnxdv5q2g6wldj6syyvq7l-glibc-2.39-52/lib/libc.so.6 8# 0x00005CF65B610335 in /home/jade/lix/lix3/build/src/nix/nix Change-Id: I1a9f6d349b617fd7145a37159b78ecb9382cb4e9
2024-09-21Merge "local-store: make extended attribute handling more robust" into mainalois31
2024-09-18Merge "util: fix brotli decompression of empty input" into mainjade
2024-09-18util: fix brotli decompression of empty inputJade Lovelace
This caused an infinite loop before since it would just keep asking the underlying source for more data. In practice this happened because an HTTP server served a response to a HEAD request (for which curl will not retrieve any body or call our write callback function) with Content-Encoding: br, leading to decompressing nothing at all and going into an infinite loop. This adds a test to make sure none of our compression methods do that again, as well as just patching the HTTP client to never feed empty data into a compression algorithm (since they absolutely have the right to throw CompressionError on unexpectedly-short streams!). Reported on Matrix: https://matrix.to/#/!lymvtcwDJ7ZA9Npq:lix.systems/$8BWQR_zKxCQDJ40C5NnDo4bQPId3pZ_aoDj2ANP7Itc?via=lix.systems&via=matrix.org&via=tchncs.de Change-Id: I027566e280f0f569fdb8df40e5ecbf46c211dad1
2024-09-18path-info: wipe the progress bar before printingAlois Wohlschlager
The legitimate output of `nix path-info` may visually interfere with the progress bar, by appending to stale progress output before the latter has been erased. Conveniently, all expensive operations (evaluation or building) have already been performed before, so we can simply wipe the progress bar at this point to fix the issue. Fixes: https://git.lix.systems/lix-project/lix/issues/343 Change-Id: Id9a807a5c882295b3e6fbf841f9c15dc96f67f6e
2024-09-17Merge "Remove readline support" into mainrebecca “wiggles” turner
2024-09-16Remove readline supportRebecca Turner
Lix cannot be built with GNU readline, and we would "rather not" be GPL. Change-Id: I0e86f0f10dab966ab1d1d467fb61fd2de50c00de
2024-09-15common-eval-args: raise warning if `--arg` isn't a valid Nix identifierMaximilian Bosch
See https://git.lix.systems/lix-project/lix/issues/496. The core idea is to be able to do e.g. nix-instantiate -A some-nonfree-thing --arg config.allowUnfree true which is currently not possible since `config.allowUnfree` is interpreted as attribute name with a dot in it. In order to change that (probably), Jade suggested to find out if there are any folks out there relying on this behavior. For such a use-case, it may still be possible to accept strings, i.e. `--arg '"config.allowUnfree"'. Change-Id: I986c73619fbd87a95b55e2f0ac03feaed3de2d2d
2024-09-14Merge "store: add a hint on how to fix Lix installs broken by macOS Sequoia" ↵jade
into main
2024-09-14Merge changes Ia1481da4,Ifca1d74d into mainjade
* changes: archive: refactor bad mutable-state API in the NAR parse listener archive: rename ParseSink to NARParseVisitor
2024-09-14local-store: make extended attribute handling more robustAlois Wohlschlager
* Move the extended attribute deletion after the hardlink sanity check. We shouldn't be removing extended attributes on random files. * Make the entity owner-writable before attempting to remove extended attributes, since this operation usually requires write access on the file, and we shouldn't fail xattr deletion on a file that has been made unwritable by the builder or a previous canonicalisation pass. Fixes: https://git.lix.systems/lix-project/lix/issues/507 Change-Id: I7e6ccb71649185764cd5210f4a4794ee174afea6
2024-09-14store: add a hint on how to fix Lix installs broken by macOS SequoiaJade Lovelace
This is not a detailed diagnosis, and it's not worth writing one, tbh. This error basically never happens in normal operation, so diagnosing it by changing the error on macOS is good enough. Relevant: https://git.lix.systems/lix-project/lix-installer/issues/24 Relevant: https://git.lix.systems/lix-project/lix-installer/issues/18 Relevant: https://git.lix.systems/lix-project/lix/issues/521 Change-Id: I03701f917d116575c72a97502b8e1617679447f2
2024-09-13archive: refactor bad mutable-state API in the NAR parse listenerJade Lovelace
Remove the mutable state stuff that assumes that one file is being written a time. It's true that we don't write multiple files interleaved, but that mutable state is evil. Change-Id: Ia1481da48255d901e4b09a9b783e7af44fae8cff
2024-09-11fish-completion: leave the shell prompt intactAlois Wohlschlager
When generating shell completions, no logging output should be visible because it would destroy the shell prompt. Originally this was attempted to be done by simply disabling the progress bar (ca946860ce6ce5d4800b0d93d3f83c30d3c953c0), since the situation is particularly bad there (the screen clearing required for the rendering ends up erasing the shell prompt). Due to overlooking the implementation of this hack, it was accidentally undone during a later change (0dd1d8ca1cdccfc620644a7f690ed35bcd2d1e74). Since even with the hack correctly in place, it is still possible to mess up the prompt by logging output (for example warnings for disabled experimental features, or messages generated by `builtins.trace`), simply send it to the bit bucket where it belongs. This was already done for bash and zsh (9d840758a8d195e52e8b7d08cd9c15f6b8259724), and it seems that fish was simply missed at that time. The last trace of the no-longer-working and obsolete hack is deleted too. Fixes: https://git.lix.systems/lix-project/lix/issues/513 Change-Id: I59f1ebf90903034e2059298fa8d76bf970bc3315
2024-09-11archive: rename ParseSink to NARParseVisitorJade Lovelace
- Rename the listener to not be called a "sink". If it were a "sink" it would be eating bytes and conform with any of the Nix sink stuff (maybe FileHandle should be a Sink itself! but that's a later CL's problem). This is a parser listener. - Move the RetrieveRegularNARSink thing into store-api.cc, which is its only usage, and fix it to actually do what it is stated to do: crash if its invariants are violated. It's, of course, used to erm, unpack single-file NAR files, generated via a horrible contraption of sources and sinks that looks like a plumbing blueprint. Refactoring that is a future task. - Add a description of the invariants of NARParseVisitor in preparation of refactoring it. Change-Id: Ifca1d74d2947204a1f66349772e54dad0743e944
2024-09-10Merge "repl-overlays: Provide an elaborate example" into mainrebecca “wiggles” turner
2024-09-10Merge "Add `getCwd`" into mainrebecca “wiggles” turner
2024-09-09Merge changes If8ec210f,I6e2851b2 into mainalois31
* changes: libfetchers: serialise accept-flake-config properly libstore: declare SandboxMode JSON serialisation in the header
2024-09-08Merge "libmain/progress-bar: erase all lines of the multi-line format" into mainalois31
2024-09-08libstore: turn Worker in a kj event loop usereldritch horrors
using a proper event loop basis we no longer have to worry about most of the intricacies of poll(), or platform-dependent replacements for it. we may even be able to use the event loop and its promise system for all of our scheduling in the future. we don't do any real async processing yet, this is just preparation to separate the first such change from the huge api design difference with the async framework we chose (kj from capnp): kj::Promise, unlike std::future, doesn't return exceptions unmangled. it instead wraps any non-kj exception into a kj exception, erasing all type information and preserving mostly the what() string in the process. this makes sense in the capnp rpc use case where unrestricted exception types can't be transferred, and since it moves error handling styles closer to a world we'd actually like there's no harm in doing it only here for now Change-Id: I20f888de74d525fb2db36ca30ebba4bcfe9cc838
2024-09-08libutil: add a result type using boost outcomeeldritch horrors
we're using boost::outcome rather than leaf or stl types because stl types are not available everywhere and leaf does not provide its own storage for error values, relying on thread-locals and the stack. if we want to use promises we won't have a stack and would have to wrap everything into leaf-specific allocating wrappers, so outcome it is. Change-Id: I35111a1f9ed517e7f12a839e2162b1ba6a993f8f
2024-09-07libmain/progress-bar: erase all lines of the multi-line formatAlois Wohlschlager
When the multi-line log format is enabled, the progress bar usually occupies multiple lines on the screen. When stopping the progress bar, only the last line was wiped, leaving all others visible on the screen. Erase all lines belonging to the progress bar to prevent these leftovers. Asking the user for input is theoretically affected by a similar issue, but this is not observed in practice since the only place where the user is asked (whether configuration options coming from flakes should be accepted) does not actually have multiple lines on the progress bar. However, there is no real reason to not fix this either, so let's do it anyway. Change-Id: Iaa5a701874fca32e6f06d85912835d86b8fa7a16
2024-09-06Merge "Stop the logger in legacy commands again" into mainalois31
2024-09-03Merge "Expand comment on `std::string operator+`" into mainrebecca “wiggles” turner
2024-09-02libfetchers: serialise accept-flake-config properlyAlois Wohlschlager
The AcceptFlakeConfig type used was missing its JSON serialisation definition, so it was incorrectly serialised as an integer, ending up that way for example in the nix.conf manual page. Declare a proper serialisation. Change-Id: If8ec210f9d4dd42fe480c4e97d0a4920eb66a01e
2024-09-02libstore: declare SandboxMode JSON serialisation in the headerAlois Wohlschlager
The JSON serialisation should be declared in the header so that all translation units can see it when needed, even though it seems that it has not been used anywhere else so far. Unfortunately, this means we cannot use the NLOHMANN_JSON_SERIALIZE_ENUM convenience macro, since it uses a slightly different signature, but the code is not too bad either. Change-Id: I6e2851b250e0b53114d2fecb8011ff1ea9379d0f
2024-09-01repl-overlays: Provide an elaborate exampleRebecca Turner
This is the repl overlay from my dotfiles, which I think provides a reasonable and ergonomic set of variables. We can iterate on this over time, or (perhaps?) provide a sentinel value like `repl-overlays = <DEFAULT>` to include a "suggested default" overlay like this one. Change-Id: I8eba3934c50fbac8367111103e66c7375b8d134e
2024-09-01Clarify that `diff-hook` no longer needs to be an absolute pathRebecca Turner
See: https://gerrit.lix.systems/c/lix/+/1864 Change-Id: Ic70bfe42b261a83f2cb68b8f102833b739b8e03a
2024-09-01Expand comment on `std::string operator+`Rebecca Turner
Nuts! Change-Id: Ib5bc0606d7c86e57ef76dd7bcc89dce91bd3d50a
2024-09-01Merge changes I5566a985,I88cf53d3 into mainrebecca “wiggles” turner
* changes: Support relative and `~/` paths in config settings Thread `ApplyConfigOptions` through config parsing
2024-08-30libstore: add build result to Goal::Finishedeldritch horrors
it just makes sense to have it too, rather than just the pass/fail information we keep so far. once we turn goals into something more promise-shaped it'll also help detangle the current data flow mess Change-Id: I915cf04d177cad849ea7a5833215d795326f1946
2024-08-30libstore: rename Goal::Finished::result to exitCodeeldritch horrors
the more useful type for `result` is BuildResult. Change-Id: If93d9384e8d686eb63b33320f1d565f9b9afbf3a
2024-08-30libstore: remove queryMissing call from Workereldritch horrors
it doesn't have a purpose except cache priming, which is largely irrelevant by default (since another code path already runs this exact query). our store implementations do not benefit that much from this either, and the more bursty load may indeed harm them. Change-Id: I1cc12f8c21cede42524317736d5987f1e43fc9c9
2024-08-30libstore: use notifications for stats counterseldritch horrors
updating statistics *immediately* when any counter changes declutters things somewhat and makes useful status reports less dependent on the current worker main loop. using callbacks will make it easier to move the worker loop into kj entirely, using only promises for scheduling. Change-Id: I695dfa83111b1ec09b1a54cff268f3c1d7743ed6
2024-08-30libstore: don't ContinueImmediately where we can tail calleldritch horrors
there's no reason to go through the event loop in these cases. returning ContinueImmediately here is just a very convoluted way of jumping to the state we've just set after unwinding one frame of the stack, which never matters in the cases changed here because there are no live RAII guards. Change-Id: I7c00948c22e3caf35e934c1a14ffd2d40efc5547
2024-08-30libstore: print dependency errors from DerivationGoaleldritch horrors
this is not ideal, but it's better than having this stuck in the worker loop itself. setting ex on all failing goals is not problematic because only toplevel goals can ever be observable, all the others are ignored. notably only derivation goals ever set `ex`, substitution goals do not. Change-Id: I02e2164487b2955df053fef3c8e774d557aa638a
2024-08-30libstore: hide Worker goal factory methodseldritch horrors
this doesn't serve a great purpose yet except to confine construction of goals to the stack frame of Worker::run() and its child frames. we don't need this yet (and the goal constructors remain fully visible), but in a future change that fully removes the current worker loop we'll need some way of knowing which goals are top-level goals without passing the goals themselves around. once that's possible we can remove visible goals as a concept and rely on build result futures and a scheduler built upon them Change-Id: Ia73cdeffcfb9ba1ce9d69b702dc0bc637a4c4ce6
2024-08-30libstore: add "is dependency" info to goaleldritch horrors
whether goal errors are reported via the `ex` member or just printed to the log depends on whether the goal is a toplevel goal or a dependency. if goals are aware of this themselves we can move error printing out of the worker loop, and since a running worker can only be used by running goals it's totally sufficient to keep a `Worker::running` flag for this Change-Id: I6b5cbe6eccee1afa5fde80653c4b968554ddd16f
2024-08-28build-time: hide boost stacktrace in a .cc fileJade Lovelace
Saves about 16s of CPU time. Not a lot but not nothing. Feels more like the principle of the thing. Change-Id: I0992d4024317c20d6985a7977d5649edfb9f46bb
2024-08-28tree-wide: shuffle headers around for about 30s compile timeJade Lovelace
This didn't really feel so worth it afterwards, but I did untangle a bunch of stuff that should not have been tangled. The general gist of this change is that variant bullshit was causing a bunch of compile time, and it seems like the only way to deal with variant induced compile time is to keep variant types out of headers. Explicit template instantiation seems to do nothing for them. I also seem to have gotten some back-end time improvement from explicitly instantiating regex, but I don't know why. There is no corresponding front-end time improvement from it: regex is still at the top of the sinners list. **** Templates that took longest to instantiate: 15231 ms: std::basic_regex<char>::_M_compile (28 times, avg 543 ms) 15066 ms: std::__detail::_Compiler<std::regex_traits<char>>::_Compiler (28 times, avg 538 ms) 12571 ms: std::__detail::_Compiler<std::regex_traits<char>>::_M_disjunction (28 times, avg 448 ms) 12454 ms: std::__detail::_Compiler<std::regex_traits<char>>::_M_alternative (28 times, avg 444 ms) 12225 ms: std::__detail::_Compiler<std::regex_traits<char>>::_M_term (28 times, avg 436 ms) 11363 ms: nlohmann::basic_json<>::parse<const char *> (21 times, avg 541 ms) 10628 ms: nlohmann::basic_json<>::basic_json (109 times, avg 97 ms) 10134 ms: std::__detail::_Compiler<std::regex_traits<char>>::_M_atom (28 times, avg 361 ms) Back-end time before messing with the regex: **** Function sets that took longest to compile / optimize: 8076 ms: void boost::io::detail::put<$>(boost::io::detail::put_holder<$> cons... (177 times, avg 45 ms) 4382 ms: std::_Rb_tree<$>::_M_erase(std::_Rb_tree_node<$>*) (1247 times, avg 3 ms) 3137 ms: boost::stacktrace::detail::to_string_impl_base<boost::stacktrace::de... (137 times, avg 22 ms) 2896 ms: void boost::io::detail::mk_str<$>(std::__cxx11::basic_string<$>&, ch... (177 times, avg 16 ms) 2304 ms: std::_Rb_tree<$>::_M_get_insert_hint_unique_pos(std::_Rb_tree_const_... (210 times, avg 10 ms) 2116 ms: bool std::__detail::_Compiler<$>::_M_expression_term<$>(std::__detai... (112 times, avg 18 ms) 2051 ms: std::_Rb_tree_iterator<$> std::_Rb_tree<$>::_M_emplace_hint_unique<$... (244 times, avg 8 ms) 2037 ms: toml::result<$> toml::detail::sequence<$>::invoke<$>(toml::detail::l... (93 times, avg 21 ms) 1928 ms: std::__detail::_Compiler<$>::_M_quantifier() (28 times, avg 68 ms) 1859 ms: nlohmann::json_abi_v3_11_3::detail::serializer<$>::dump(nlohmann::js... (41 times, avg 45 ms) 1824 ms: std::_Function_handler<$>::_M_manager(std::_Any_data&, std::_Any_dat... (973 times, avg 1 ms) 1810 ms: std::__detail::_BracketMatcher<$>::_BracketMatcher(std::__detail::_B... (112 times, avg 16 ms) 1793 ms: nix::fetchers::GitInputScheme::fetch(nix::ref<$>, nix::fetchers::Inp... (1 times, avg 1793 ms) 1759 ms: std::_Rb_tree<$>::_M_get_insert_unique_pos(std::__cxx11::basic_strin... (281 times, avg 6 ms) 1722 ms: bool nlohmann::json_abi_v3_11_3::detail::parser<$>::sax_parse_intern... (19 times, avg 90 ms) 1677 ms: boost::io::basic_altstringbuf<$>::overflow(int) (194 times, avg 8 ms) 1674 ms: std::__cxx11::basic_string<$>::_M_mutate(unsigned long, unsigned lon... (249 times, avg 6 ms) 1660 ms: std::_Rb_tree_node<$>* std::_Rb_tree<$>::_M_copy<$>(std::_Rb_tree_no... (304 times, avg 5 ms) 1599 ms: bool nlohmann::json_abi_v3_11_3::detail::parser<$>::sax_parse_intern... (19 times, avg 84 ms) 1568 ms: void std::__detail::_Compiler<$>::_M_insert_bracket_matcher<$>(bool) (112 times, avg 14 ms) 1541 ms: std::__shared_ptr<$>::~__shared_ptr() (531 times, avg 2 ms) 1539 ms: nlohmann::json_abi_v3_11_3::detail::serializer<$>::dump_escaped(std:... (41 times, avg 37 ms) 1471 ms: void std::__detail::_Compiler<$>::_M_insert_character_class_matcher<... (112 times, avg 13 ms) After messing with the regex (notice std::__detail::_Compiler vanishes here, but I don't know why): **** Function sets that took longest to compile / optimize: 8054 ms: void boost::io::detail::put<$>(boost::io::detail::put_holder<$> cons... (177 times, avg 45 ms) 4313 ms: std::_Rb_tree<$>::_M_erase(std::_Rb_tree_node<$>*) (1217 times, avg 3 ms) 3259 ms: boost::stacktrace::detail::to_string_impl_base<boost::stacktrace::de... (137 times, avg 23 ms) 3045 ms: void boost::io::detail::mk_str<$>(std::__cxx11::basic_string<$>&, ch... (177 times, avg 17 ms) 2314 ms: std::_Rb_tree<$>::_M_get_insert_hint_unique_pos(std::_Rb_tree_const_... (207 times, avg 11 ms) 1923 ms: std::_Rb_tree_iterator<$> std::_Rb_tree<$>::_M_emplace_hint_unique<$... (216 times, avg 8 ms) 1817 ms: bool nlohmann::json_abi_v3_11_3::detail::parser<$>::sax_parse_intern... (18 times, avg 100 ms) 1816 ms: toml::result<$> toml::detail::sequence<$>::invoke<$>(toml::detail::l... (93 times, avg 19 ms) 1788 ms: nlohmann::json_abi_v3_11_3::detail::serializer<$>::dump(nlohmann::js... (40 times, avg 44 ms) 1749 ms: std::_Rb_tree<$>::_M_get_insert_unique_pos(std::__cxx11::basic_strin... (278 times, avg 6 ms) 1724 ms: std::__cxx11::basic_string<$>::_M_mutate(unsigned long, unsigned lon... (248 times, avg 6 ms) 1697 ms: boost::io::basic_altstringbuf<$>::overflow(int) (194 times, avg 8 ms) 1684 ms: nix::fetchers::GitInputScheme::fetch(nix::ref<$>, nix::fetchers::Inp... (1 times, avg 1684 ms) 1680 ms: std::_Rb_tree_node<$>* std::_Rb_tree<$>::_M_copy<$>(std::_Rb_tree_no... (303 times, avg 5 ms) 1589 ms: bool nlohmann::json_abi_v3_11_3::detail::parser<$>::sax_parse_intern... (18 times, avg 88 ms) 1483 ms: non-virtual thunk to boost::wrapexcept<$>::~wrapexcept() (181 times, avg 8 ms) 1447 ms: nlohmann::json_abi_v3_11_3::detail::serializer<$>::dump_escaped(std:... (40 times, avg 36 ms) 1441 ms: std::__shared_ptr<$>::~__shared_ptr() (496 times, avg 2 ms) 1420 ms: boost::stacktrace::basic_stacktrace<$>::init(unsigned long, unsigned... (137 times, avg 10 ms) 1396 ms: boost::basic_format<$>::~basic_format() (194 times, avg 7 ms) 1290 ms: std::__cxx11::basic_string<$>::_M_replace_cold(char*, unsigned long,... (231 times, avg 5 ms) 1258 ms: std::vector<$>::~vector() (354 times, avg 3 ms) 1222 ms: std::__cxx11::basic_string<$>::_M_replace(unsigned long, unsigned lo... (231 times, avg 5 ms) 1194 ms: std::_Rb_tree<$>::_M_get_insert_hint_unique_pos(std::_Rb_tree_const_... (49 times, avg 24 ms) 1186 ms: bool tao::pegtl::internal::sor<$>::match<$>(std::integer_sequence<$>... (1 times, avg 1186 ms) 1149 ms: std::__detail::_Executor<$>::_M_dfs(std::__detail::_Executor<$>::_Ma... (70 times, avg 16 ms) 1123 ms: toml::detail::sequence<$>::invoke(toml::detail::location&) (69 times, avg 16 ms) 1110 ms: nlohmann::json_abi_v3_11_3::basic_json<$>::json_value::destroy(nlohm... (55 times, avg 20 ms) 1079 ms: std::_Function_handler<$>::_M_manager(std::_Any_data&, std::_Any_dat... (541 times, avg 1 ms) 1033 ms: nlohmann::json_abi_v3_11_3::detail::lexer<$>::scan_number() (20 times, avg 51 ms) Change-Id: I10af282bcd4fc39c2d3caae3453e599e4639c70b