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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
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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
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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
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See: https://gerrit.lix.systems/c/lix/+/1864
Change-Id: Ic70bfe42b261a83f2cb68b8f102833b739b8e03a
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Nuts!
Change-Id: Ib5bc0606d7c86e57ef76dd7bcc89dce91bd3d50a
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* changes:
Support relative and `~/` paths in config settings
Thread `ApplyConfigOptions` through config parsing
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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
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the more useful type for `result` is BuildResult.
Change-Id: If93d9384e8d686eb63b33320f1d565f9b9afbf3a
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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
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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
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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
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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
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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
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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
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Saves about 16s of CPU time. Not a lot but not nothing. Feels more like
the principle of the thing.
Change-Id: I0992d4024317c20d6985a7977d5649edfb9f46bb
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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
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Apparently the fmt contraption has some extremely popular overloads, and
the boost stuff in there gets built approximately infinite times in
every compilation unit.
Change-Id: Ideba2db7d6bf8559e4d91974bab636f5ed106198
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Ref #359.
Change-Id: Ia45530ddee25fa9fc399ff10738bb0d8bbc8b221
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Fixes:
- Identifiers starting with _ are prohibited
- Some driveby header dependency cleaning which wound up with doing some
extra fixups.
- Fucking C style casts, man. C++ made these 1000% worse by letting you
also do memory corruption with them with references.
- Remove casts to Expr * where ExprBlackHole is an incomplete type by
introducing an explicitly-cast eBlackHoleAddr as Expr *.
- An incredibly illegal cast of the text bytes of the StorePath hash
into a size_t directly. You can't DO THAT.
Replaced with actually parsing the hash so we get 100% of the bits
being entropy, then memcpying the start of the hash. If this shows
up in a profile we should just make the hash parser faster with a
lookup table or something sensible like that.
- This horrendous bit of UB which I thankfully slapped a deprecation
warning on, built, and it didn't trigger anywhere so it was dead
code and I just deleted it. But holy crap you *cannot* do that.
inline void mkString(const Symbol & s)
{
mkString(((const std::string &) s).c_str());
}
- Some wrong lints. Lots of wrong macro lints, one wrong
suspicious-sizeof lint triggered by the template being instantiated
with only pointers, but the calculation being correct for both
pointers and not-pointers.
- Exceptions in destructors strike again. I tried to catch the
exceptions that might actually happen rather than all the exceptions
imaginable. We can let the runtime hard-kill it on other exceptions
imo.
Change-Id: I71761620846cba64d66ee7ca231b20c061e69710
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This fixes an ambiguous pointer comparison warning.
See: https://github.com/rust-analyzer/rowan/pull/162
Change-Id: Iaac2c8cab0051eb97211893ad547d8dfa8fda560
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It's nice for this to be a separate function and not just inline in
`absPath`.
Prepared as part of cl/1865, though I don't think I actually ended up
using it there.
Change-Id: I24d9d4a984cee0af587010baf04b3939a1c147ec
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Change-Id: I5566a9858ba255f4ac5051d1368c7dfb24460f0a
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This makes no changes to logic but makes the `ApplyConfigOptions` value
available to consumers.
Change-Id: I88cf53d38faac8472c556aee55c13d0acbd1e5db
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this makes WorkResult copyable, and just all around easier to deal with.
in the future we'll need this to let Goal::work() return a promise for a
WorkResult (or even just a Finished) that can be awaited by other goals.
Change-Id: Ic5a1ce04c5a0f8e683bd00a2ed2b77a2e28989c1
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Change-Id: I9345fe272d6df5bd592621ce2da369fc1cd36d6d
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* changes:
libutil: delete unused boost context cruft
build: remove approximately 400 seconds of CPU time (30%)
fix: use http proxy for s3 access
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Change-Id: Ic876bcabd0b68e579bbd30ca1755919df43d4813
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this should be done where we're actually trying to build something, not
in the main worker loop that shouldn't have to be aware of such details
Change-Id: I07276740c0e2e5591a8ce4828a4bfc705396527e
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This caused an absolute saga which I would not like anyone else to have
to experience. Let's put in a laser targeted error message that
diagnoses this exact problem.
Fixes: https://git.lix.systems/lix-project/lix/issues/484
Change-Id: I2a79f04aeb4a1b67c10115e5e39501d958836298
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The logic in the comment is the opposite of the truth.
Change-Id: I64add84539209782ffa46431f3db1fb306d90b3f
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This was from before we got rid of the boost coroutines. Now we don't
need any of this code.
Change-Id: Ief8e8ebc184f02f48e30cb253a66b540faa56329
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I don't know why the AWS sdk disabled it by default. It would be nice
to have test coverage of the s3 store or proxies, but neither currently
exist.
Fixes: https://git.lix.systems/lix-project/lix/issues/433
Change-Id: If1e76169a3d66dbec2e926af0d0d0eccf983b97b
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This reverts commit 447212fa65a80180150b265411924cc638a2c52c.
Reason for revert: Regression in eval behaviour bug-compatibility.
Expected behaviour (Nix 2.18.5, macOS and Linux [libstdc++/libc++]):
```
nix-repl> builtins.match "\\.*(.*)" ".keep"
[ "keep" ]
nix-repl> builtins.match "(\\.*)(.*)" ".keep"
[ "." "keep" ]
```
Actual behaviour (boost::regex):
```
nix-repl> builtins.match "\\.*(.*)" ".keep"
[ ".keep" ]
nix-repl> builtins.match "(\\.*)(.*)" ".keep"
[
"."
"keep"
]
```
Bug: https://git.lix.systems/lix-project/lix/issues/483
Change-Id: Id462eb8586dcd54856cf095f09b3e3a216955b60
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This avoids C++'s standard library regexes, which aren't the same
across platforms, and have many other issues, like using stack
so much that they stack overflow when processing a lot of data.
To avoid backwards and forward compatibility issues, regexes are
processed using a function converting libstdc++ regexes into Boost
regexes, escaping characters that Boost needs to have escaped, and
rejecting features that Boost has and libstdc++ doesn't.
Related context:
- Original failed attempt to use `boost::regex` in CppNix, failed due to
boost icu dependency being large (disabling ICU is no longer necessary
because linking ICU requires using a different header file,
`boost/regex/icu.hpp`): https://github.com/NixOS/nix/pull/3826
- An attempt to use PCRE, rejected due to providing less backwards
compatibility with `std::regex` than `boost::regex`:
https://github.com/NixOS/nix/pull/7336
- Second attempt to use `boost::regex`, failed due to `}` regex failing
to compile (dealt with by writing a wrapper that parses a regular
expression and escapes `}` characters):
https://github.com/NixOS/nix/pull/7762
Closes #34. Closes #476.
Change-Id: Ieb0eb9e270a93e4c7eed412ba4f9f96cb00a5fa4
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nixpkgs delivered us the untimely gift of a meson 1.5 upgrade, which
*does* make our lives easier by allowing us to delete wrap generation
code, but it does so at the cost of renaming all rust crates in such a
way that the wrap logic cannot tolerate the new names on the old meson
version 😭.
It also means that support burden for this is going to be atrocious
until we either give in and vendor meson 1.5 or we make a CI target for
it. Neither seems appealing, though the latter is not super absurd for
ensuring we don't break nixpkgs unstable.
This commit causes meson 1.5 to ignore the .wrap files in subprojects/
entirely (since they have the wrong names lol) and instead use
Cargo.lock, so it now hard-depends on our workspace reshuffling
improvement.
It also deletes the hack that we were using to get the sources of Cargo
deps into meson by using a feature that went unnoticed when this code
was originally written: MESON_PACKAGE_CACHE_DIR:
https://github.com/mesonbuild/meson/blob/8a202de6ec763284cbb7160b9d43d5e7e0703f19/mesonbuild/wrap/wrap.py#L490-L502
Change-Id: I7a28f12fc2812c6ed7537b60bc3025c141a05874
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This is purely to let Cargo's dependency resolver do stuff for us, we do
not actually intend to build this stuff with Cargo to begin with.
Change-Id: I4c08d55595c7c27b7096375022581e1e34308a87
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There have been multiple setting types for paths that are supposed to be
canonicalised, depending on whether zero or one, one, or any number of paths is
to be specified. Naturally, they behaved in slightly different ways in the
code. Simplify things by unifying them and removing special behaviour (mainly
the "multiple paths type can coerce to boolean" thing).
Change-Id: I7c1ce95e9c8e1829a866fb37d679e167811e9705
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Commit 0dd1d8ca1cdccfc620644a7f690ed35bcd2d1e74 included an accidental revert
of 1461e6cdda06f7f461114cce5b415f6d50381311 (actually slightly worse), leading
to the progress bar not being stopped properly when a legacy command was
invoked with `--log-format bar` (or similar options that show a progress bar).
Move the progress bar stopping code to its proper place again to fix this
regression.
Change-Id: I676333da096d5990b717a387924bb988c9b73fab
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Change-Id: I6802b26f038578870ea1fa1ed298f0c4b1f29c4a
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Change-Id: I787e69e1dad6edc5ccdb747b74a9ccd6e8e13bb3
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