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2023-06-14 r/6304 refactor(tvix/store/pathinfosvc): add from_addrFlorian Klink6-18/+552
Change-Id: I24e822351a837fce2aed568a647d009099ef32ec Reviewed-on: https://cl.tvl.fyi/c/depot/+/8747 Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-06-14 r/6303 feat(tvix/store/directorysvc): add from_addrFlorian Klink6-21/+287
Add --directory-service-addr arg to tvix-store CLI. Change-Id: Iea1e6f08f27f7157b21ccf397297c68358bd78a0 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8743 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su>
2023-06-14 r/6302 feat(tvix/store/blobsvc): add from_addrFlorian Klink9-24/+657
This allows constructing blob stores with a URL syntax at runtime, by passing the --blob-service-addr arg. We probably still want to have some builder pattern here, to allow additional schemes to be registered. Change-Id: Ie588ff7a7c6fb64c9474dfbd2e4bc5f168dfd778 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8742 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-06-14 r/6301 docs(tvix/eval): fix link to tvixboltsterni1-1/+1
Change-Id: Iff3f74ab6d5177246811bd3d58d171088915370f Reviewed-on: https://cl.tvl.fyi/c/depot/+/8775 Autosubmit: sterni <sternenseemann@systemli.org> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-06-14 r/6300 test(tvix/eval): move division by zero tests into tvix_testssterni2-0/+0
These were added by us in r/5276, so they should go into our test suite. Change-Id: I6dc74fc242f33c22a17e0b4aee546ccae886ac85 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8774 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Autosubmit: sterni <sternenseemann@systemli.org>
2023-06-14 r/6299 test(tvix/eval): add test case for builtins set pointer equalitysterni2-0/+21
Unsupported by Tvix at the moment. Documents b/280. Change-Id: I48844feeefa9da8ed7e5d85300d52bb5650f82d2 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8772 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Autosubmit: sterni <sternenseemann@systemli.org>
2023-06-14 r/6298 test(tvix/eval): re-enable blackhole teststerni1-0/+0
Change-Id: Id933f3bd708aa3342b9fd6a5584e65ee11751ff8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8773 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: sterni <sternenseemann@systemli.org>
2023-06-14 r/6297 fix(tvix/eval): don't thunk home relative pathssterni2-11/+13
C++ Nix resolves home relative paths at [parse] time. This is not an option for us, since it prevents being able to separate the compilation and execution phase later (e.g. precompiled nix expressions). However, a practical consequence of this is that paths expressions are always literals (strict) and never thunks. [parse]: https://github.com/NixOS/nix/blob/7066d21a0ddb421967980094222c4bc1f5a0f45a/src/libexpr/parser.y#L518-L527 Change-Id: Ie4b9dc68f62c86d6c7fd5f1c9460c850d97ed1ca Reviewed-on: https://cl.tvl.fyi/c/depot/+/7041 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-06-14 r/6296 docs(tvix): mention langVersion >= 5 check in nixpkgssterni1-2/+4
Change-Id: I7aae900012e901fa4d886b1a4bf0657d593e4983 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8771 Autosubmit: sterni <sternenseemann@systemli.org> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-06-12 r/6282 chore(tvix/store/pathinfosvc): remove GRPCPathInfoService::newFlorian Klink1-12/+0
There's very little reason to instantiate a GRPCPathInfoService in a context where we are not already in a tokio context. Change-Id: Ib81d649387717cb98de8a8039f92472f727b10c1 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8755 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-06-12 r/6281 chore(tvix/store/directorysvc): remove GRPCDirectoryService::newFlorian Klink1-14/+1
The only place where we did use new was also already where we've been in a tokio context, so just using from_client is easier. Change-Id: I39dbc18f6aaa3abc342409be623395647f968530 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8754 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-06-12 r/6280 chore(tvix/store/blobsvc): remove GRPCBlobService::newFlorian Klink1-12/+1
There's very little reason to instantiate a GRPCBlobService in a context where we are not already in a tokio context. Change-Id: Ic6e18809a9f2a76f1c098ed330118d8dcfba5137 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8753 Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-06-12 r/6279 refactor(tvix/store/pathinfosvc): use Arc<dyn …>Florian Klink8-28/+34
This removes the use of generics, like previously done with Blob and Directory services. Change-Id: I7cc8bd1439b026c88e80c11e38aafc63c74e5e84 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8751 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su>
2023-06-12 r/6278 refactor(tvix/store/blobsvc): drop Result<_,_> around open_writeFlorian Klink7-19/+15
We never returned Err here anyways, and we can still return an error during the first (or subsequent) write(s). Change-Id: I4b4cd3d35f6ea008e9ffe2f7b71bfc9187309e2f Reviewed-on: https://cl.tvl.fyi/c/depot/+/8750 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-06-12 r/6277 docs(tvix/store/blobservice): fix docstringsFlorian Klink1-2/+3
These are outdated. Change-Id: I1a1ae130a55847f57a48d5e244e7e029c1ecae7b Reviewed-on: https://cl.tvl.fyi/c/depot/+/8749 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-06-12 r/6276 feat(tvix/store): increase blob chunk sizeRyan Lahfa1-2/+69
From 64 bytes to 100 KBytes. We need to provide a custom wrapper with a different Default instance. Change-Id: Id7c6c437b8183b355a9e388f98cef1622b363f64 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8748 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2023-06-12 r/6275 refactor(tvix/store/fuse): use Arc<dyn …> instead of genericsFlorian Klink2-11/+17
Change-Id: I5685379bd6f89d17da6843d31bef4c1fc4dc0a18 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8745 Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-06-12 r/6274 refactor(tvix/store/blobsvc/sled): cargo clippyFlorian Klink1-1/+1
Change-Id: I00b8b567509d5e0847270f36dadb5dcb534b9b73 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8739 Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-06-12 r/6273 refactor(tvix/store): use Arc instead of BoxFlorian Klink13-108/+132
This allows us to blob services without closing them before putting them in a box. We currently need to use Arc<_>, not Rc<_>, because the GRPC wrappers require Sync. Change-Id: I679c5f06b62304f5b0456cfefe25a0a881de7c84 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8738 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de>
2023-06-12 r/6272 refactor(tvix/store): use Box<dyn DirectoryService>Florian Klink18-126/+144
Once we support configuring services at runtime, we don't know what DirectoryService we're using at compile time. This also means, we can't explicitly use the is_closed method from GRPCPutter, without making it part of the DirectoryPutter itself. Change-Id: Icd2a1ec4fc5649a6cd15c9cc7db4c2b473630431 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8727 Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-06-12 r/6271 feat(tvix/store/pathinfosvc): add calculate_nar methodFlorian Klink12-67/+147
Putting this in the PathInfoService trait makes much more sense, we can have direct control over where/how to cache the results in the implementation. This now requires each PathInfoService to hold pointers to BlobService and DirectoryService. Change-Id: I4faae780d43eae4beeb57bd5e190e6d1a5d3314e Reviewed-on: https://cl.tvl.fyi/c/depot/+/8724 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su>
2023-06-12 r/6270 refactor(tvix/src/nar): drop NARCalculationServiceFlorian Klink11-346/+258
There's only one way to calculate NAR files, by walking through them. Things like caching such replies should be done closer to where we use these, composing NARCalculationService doesn't actually give us much. Instead, expose two functions, `nar::calculate_size_and_sha256` and `nar::writer_nar`, the latter writing NAR to a writer, the former using write_nar to only keeping the NAR size and digest. Change-Id: Ie5d2cfea35470fdbb5cbf9da1136b0cdf0250266 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8723 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de>
2023-06-12 r/6269 feat(tvix/store): eliminate generics in BlobStoreFlorian Klink15-143/+230
To construct various stores at runtime, we need to eliminate associated types from the BlobService trait, and return Box<dyn …> instead of specific types. This also means we can't consume self in the close() method, so everything we write to is put in an Option<>, and during the first close we take from there. Change-Id: Ia523b6ab2f2a5276f51cb5d17e81a5925bce69b6 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8647 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-06-12 r/6268 test(tvix/eval): builtins.substring's behavior with negative argssterni3-0/+9
Change-Id: Ie8b97d174e9d58e33bf08c9b9e0afeeddd089ba8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8700 Autosubmit: sterni <sternenseemann@systemli.org> Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-06-12 r/6267 fix(tvix/eval): allow negative substring lengthsLinus Heckemann2-21/+5
Nix uses string::substr without checking the sign of the length[1]. The NixOS testing infrastructure relies on this[2], and on the implicit conversion of that to the maximum possible value for a size_t. [1]: https://github.com/NixOS/nix/blob/ecae62020b64914d9859a71ce197d03688c6133c/src/libexpr/primops.cc#L3597 [2]: https://github.com/NixOS/nixpkgs/blob/c7c298471676ac1c7789ab3c424fbcebecaa6791/nixos/lib/testing/driver.nix#L29 Change-Id: I6d0caf6830b6bda3fdf44c40c81de6a1befeca7b Reviewed-on: https://cl.tvl.fyi/c/depot/+/8746 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-06-11 r/6266 fix(tvix/eval): emit only warnings on shadowed outputsLinus Heckemann4-6/+11
Unfortunately, nixpkgs has at least one case[1] where the out environment variable is shadowed -- though it doesn't cause a problem, since it's shadowed with the correct value, odd as this may be! [1]: https://github.com/NixOS/nixpkgs/blob/c7c298471676ac1c7789ab3c424fbcebecaa6791/pkgs/development/python-modules/pybind11/default.nix#L19 Change-Id: Ibf6790d2484dc9cce8e424feeb5886664d498dc3 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8696 Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-06-10 r/6263 feat(tvix/store): add mount command to entrypoint and fuse modFlorian Klink3-0/+55
`tvix-store mount PATH` will mount the tvix-store to the given path. Change-Id: Icb82a6b3cb8a22eec856c375a28ae5580403833f Reviewed-on: https://cl.tvl.fyi/c/depot/+/8665 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de>
2023-06-10 r/6262 feat(tvix/nix-compat): derive HashFlorian Klink1-1/+1
This allows using a StorePath as a key in a hashmap. Change-Id: Id3eed623da4e1fc44a970a3982c7caa21d2495c8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8666 Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-06-10 r/6261 chore(tvix/store): add fuse featureFlorian Klink5-11/+295
This brings in fuse (via the `fuser` crate), and adds pkg-config and libfuse to the dev shell, so `cargo build` can link against it. Change-Id: I0d11607490e27d946bdf92b0b9e45f9ab644ba74 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8664 Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-06-09 r/6253 docs(src/tests/nar_renderer): fix commentFlorian Klink1-2/+1
This testcase tests a missing blob fails the rendering, the comment has been copied from elsewhere. Change-Id: I48fa3fa454e12506590fa14a3591d156bafa8b5e Reviewed-on: https://cl.tvl.fyi/c/depot/+/8722 Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-06-09 r/6252 docs(tvix/store): drop nar-bridge referencesFlorian Klink1-1/+1
The CLs did bitrot a bit, they're based on an older version of the protocol, and it's unclear if they'll be a separate Go Binary, or just another HTTP handler inside tvix-store itself, considering we now have way more NAR juggling code than before. Change-Id: I3632035cda8d75a8ff23b3132312f0f086d9e02f Reviewed-on: https://cl.tvl.fyi/c/depot/+/8732 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-06-09 r/6251 docs(tvix/store): update invocation in READMEFlorian Klink1-1/+1
This has moved to a `daemon` subcommand. Change-Id: Iae9778d8a59e6bf84555119fabfd62db3917bb62 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8731 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su>
2023-06-09 r/6245 docs(tvix/store/docs): fix grammarFlorian Klink1-1/+1
Change-Id: I1d7d306e5d997a7ba47a83d613edc19a4fba1ed4 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8721 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de>
2023-06-07 r/6244 fix(tvix/eval): use normal thunking behavior for default in formalssterni2-9/+7
When comparing to C++ Nix, we notice that the thunking of default expressions in function formals corresponds to their normal thunking, e.g. literals are not thunked. This means that we can just invoke compile() without much of a care and trust that it will sort it out correctly. If function formals blow up as a result of this, it likely indicates that the expression is treated incorrectly by compile(), not compile_param_pattern(). Change-Id: I64acbff2f251423eb72ce43e56a0603379305e1d Reviewed-on: https://cl.tvl.fyi/c/depot/+/8704 Autosubmit: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-06-07 r/6243 fix(tvix/eval): type check function argument with set patternsterni5-0/+18
C++ Nix forces and typechecks the passed argument even if it is not necessary in order to compute the return value of the function. I discovered this when I thought our formals miscompilation might be that we are too strict, but doesn't look like it in this case. Change-Id: Ifb3c92592293052c489d1e3ae8c7c54e4b6b4dc6 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8701 Tested-by: BuildkiteCI Autosubmit: sterni <sternenseemann@systemli.org> Reviewed-by: tazjin <tazjin@tvl.su>
2023-06-07 r/6242 refactor(tvix/eval): don't track idx twice in compile_param_patternsterni1-9/+7
Change-Id: I27f9105ddb20d84342550b2a73b479a7764ee3fe Reviewed-on: https://cl.tvl.fyi/c/depot/+/8699 Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2023-06-02 r/6227 fix(tvix/cli): fix refscan when no paths are referencedLinus Heckemann1-4/+21
Before, the construction of a TwoByteWM would panic when no patterns were provided, as in `tvix --expr 'builtins.toFile "snens" "soos"'`. Change-Id: I25ed498c475523aec5baf8683b23059fadabb21c Reviewed-on: https://cl.tvl.fyi/c/depot/+/8697 Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-05-30 r/6223 feat(tvix/store/bin): use sled for daemon, grpc for import cmdFlorian Klink1-8/+23
This now creates different store client, depending on the cli subcommand. The `import` command will connect to the gRPC service, and the `daemon` command will use the sled implementation. It might make sense to define some URI syntax to make this configurable by the user, via the CLI. Change-Id: I72351fcf0e83a013b6aa67a90b64c108cbb01ffd Reviewed-on: https://cl.tvl.fyi/c/depot/+/8619 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-05-30 r/6221 feat(tvix/store/bin/import): process all path imports concurrentlyFlorian Klink1-36/+47
Change-Id: I3e1428a4725fc2e552e8f37bc0550121117fcef6 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8633 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su>
2023-05-30 r/6220 refactor(tvix/store): drop Clone from BS and DS trait boundFlorian Klink1-6/+2
We don't need to be able to clone these services in here. Change-Id: Ifb69450f7ebdc8364cbf9cdfb6464f8560440e4c Reviewed-on: https://cl.tvl.fyi/c/depot/+/8645 Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-05-29 r/6219 test(tvix/eval): check thunking behavior of basic exprssterni1-0/+55
nix_oracle.rs now gives us the possibility to check this by stuffing the expressions in a list. In fact, the incorrect behavior fixed in - cl/8656 - cl/8655 - cl/8662 was discovered using this test suite. Change-Id: Id0ab01ee6be0b875791214e0a72a2ac941c46c96 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8658 Autosubmit: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-05-29 r/6218 refactor(tvix/eval/nix_oracle): allow specifying eval strictnesssterni1-10/+28
This will be useful for comparing thunking behavior to C++ Nix. I considered adding this capability to the tvix_tests/nix_tests infrastructure, but as it would require changing the test file naming scheme to do it in a clean way, I've postponed it–it's nice that our tests are compatible with C++ Nix's test suite. Change-Id: I60bcdd98ed25140e716f0858f8dc28f21ab957aa Reviewed-on: https://cl.tvl.fyi/c/depot/+/8657 Autosubmit: sterni <sternenseemann@systemli.org> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-05-29 r/6217 fix(tvix/eval): thunk lambda expressionssterni1-5/+3
As cl/8658 and b/274 reveal, lambda expressions are also wrapped in thunks. Resolves b/274. Change-Id: I02fe5c8730ac76748d940e4f4427116587875275 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8662 Autosubmit: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-05-29 r/6216 fix(tvix/eval): thunk HasAttr expressionssterni1-1/+3
HasAttrs was weird because with longer attribute paths it would sometimes not turn out to be a thunk. If it was a thunk, it'd usually still do some eval strictly which we'll want to avoid. Verified against C++ Nix using a new test suite introduced in a later CL. Change-Id: I6d047ccc68d046bb268462f170a3c4f3c5ddeffe Reviewed-on: https://cl.tvl.fyi/c/depot/+/8656 Autosubmit: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-05-29 r/6215 fix(tvix/eval): thunk legacy let to match regular onesterni1-1/+3
Probably no real world code broken by this overzealous evaluation, but let's be thorough! Change-Id: Ib405a677182eab7940ace940c68e107573473a54 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8655 Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2023-05-29 r/6214 fix(tvix/eval): thunk unary operator applicationssterni2-1/+4
Unary operator applications are thunked which can easily be observed by nix-instantiate --eval -E '[ (!true) (-1) ]' Unfortunately, there are few simple expressions where this makes a difference in the end result. Thus it only cropped up when using nixpkgs for cross compilation: Here we would compile the expression !(stdenv.cc.isGNU or false) to assemble python3Minimal's passthru attribute set (at least this seems to be the most likely explanation from the backtraces I've studied). This means that an unthunked <stdenv.cc.isGNU or false> OpForce OpInvert would be performed in order to assemble this attribute set, causing stdenv.cc to be evaluated too early, causing an infinite recursion. Resolves b/273. It seems that having a test suite that doesn't use --strict and relies on thunks rendered as <CODE> would be beneficial for catching such issues. I've not been able to find a test case with --strict that demonstrates the problem fixed in this CL. Change-Id: I640a5827b963f5b9d0f86fa2142e75e3a6bbee78 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8654 Tested-by: BuildkiteCI Autosubmit: sterni <sternenseemann@systemli.org> Reviewed-by: tazjin <tazjin@tvl.su>
2023-05-27 r/6213 feat(tvix/cli): add --no-warnings argumentFlorian Klink1-2/+8
This will prevent tvix from printing any warnings. As a followup, we can also thread this parameter through into the evaluator itself, to prevent warnings from being constructed in first place. Change-Id: I15381396f86573484bdd1a73d09034a665638e35 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8646 Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-05-26 r/6207 fix(tvix): don't call function eagerly in genList, map & mapAttrssterni4-5/+88
mapAttrs, map and genList call Nix functions provided by the caller and store the result of applying them in a Nix data structure that does not force all of its contents when forced itself. This means that when such a builtin application is forced, the Nix function calls performed by the builtin should not be forced: They may be forced later, but it is also possible that they will never be forced, e.g. in builtins.length (builtins.map (builtins.add 2) [ 1 2 3 ]) it is not necessary to compute a single application of builtins.add. Since request_call_with immediately performs the function call requested, Tvix would compute function applications unnecessarily before this change. Because this was not followed by a request_force, the impact of this was relatively low in Nix code (most functions return a new thunk after being applied), but it was enough to cause a lot of bogus builtins.trace applications when evaluating anything from `lib.modules`. The newly added test includes many cases where Tvix previously incorrectly applied a builtin, breaking a working expression. To fix this we add a new helper to construct a Thunk performing a function application at runtime from a function and argument given as `Value`s. This mimics the compiler's compile_apply(), but does itself not require a compiler, since the necessary Lambda can be constructed independently. I also looked into other builtins that call a Nix function to verify that they don't exhibit such a problem: - Many builtins immediately use the resulting value in a way that makes it necessary to compute all the function calls they do as soon as the outer builtin application is forced: * all * any * filter * groupBy * partition - concatMap needs to (shallowly) force the returned list for concatenation. - foldl' is strict in the application of `op` (I added a comment that makes this explicit). - genericClosure needs to (shallowly) force the resulting list and some keys of the attribute sets inside. Resolves b/272. Change-Id: I1fa53f744bcffc035da84c1f97ed25d146830446 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8651 Autosubmit: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-05-25 r/6206 refactor(tvix/store/bin): instantiating TvixStoreIO onceFlorian Klink1-9/+11
Instead of instantiating it once in every loop iteration, put it in an Arc, and clone that before passing it to the spawned task. Change-Id: I5d9c838f27048726166fa50206d1edd5ed6849b5 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8632 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-05-25 r/6205 feat(tvix/eval): unthunk empty lists and attribute setsVincent Ambo2-0/+8
Change-Id: Ie66cb1b163a544d45d113fd0f866286f230b0188 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7960 Tested-by: BuildkiteCI Reviewed-by: grfn <grfn@gws.fyi>
generated by cgit-pink 1.4.1 (git 2.44.2) at 2024-11-06T23·12+0000