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2023-01-06 r/5608 refactor(derivation): return NixPath in calculate_derivation_pathFlorian Klink2-17/+34
This moves all the hash compression logic into a common helper function. Also update the docstring, which said "path" here, which could have been confused with output paths. Change-Id: Iedfb59aeb24f7638afac669dcd18d57b6cfaece2 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7759 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-01-06 r/5607 feat(tvix/eval): skip & warn for useless parenthesisVincent Ambo2-0/+32
Change-Id: I567ca0682012b9d09f1217e57a104ac5671f8d82 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7771 Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz> Reviewed-by: flokli <flokli@flokli.de>
2023-01-06 r/5606 feat(tvix/eval): warn on empty let-bindingsVincent Ambo2-1/+10
Change-Id: Ib6ef7ce514abbd3e372dfe9df7137aa36dbda9d4 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7770 Reviewed-by: raitobezarius <tvl@lahfa.xyz> Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-01-06 r/5605 refactor(tvix/eval): short-circuit on empty attrs in compilerVincent Ambo1-0/+9
This is marginally more efficient and has simpler bytecode. Change-Id: Iad37c9aeef24583e8f696911bcd83d43639f2e36 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7769 Reviewed-by: raitobezarius <tvl@lahfa.xyz> Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2023-01-06 r/5604 feat(tvix/eval): warn about empty `inherit`sVincent Ambo2-0/+11
Change-Id: I82bec6fe2210bcb88c46fd2fdf3e26bd613d1c1f Reviewed-on: https://cl.tvl.fyi/c/depot/+/7768 Reviewed-by: flokli <flokli@flokli.de> Reviewed-by: raitobezarius <tvl@lahfa.xyz> Tested-by: BuildkiteCI
2023-01-06 r/5603 fix(tvix/eval): compile but don't emit dead codeVincent Ambo2-9/+33
This adds a mechanism to the compiler to compile an expression without emitting any code. This allows for detected dead code to still be compiled to detect errors & warnings inside of it. Change-Id: Ie78479173570e9c819d8f32ae683ce34234a4c5d Reviewed-on: https://cl.tvl.fyi/c/depot/+/7767 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-01-06 r/5602 feat(tvix/eval): implement initial compiler::optimiser moduleVincent Ambo5-0/+165
This optimiser can rewrite some expressions into more efficient forms, and warn users about those cases. As a proof-of-concept, only some simple boolean comparisons are supported for now. Change-Id: I7df561118cfbad281fc99523e859bc66e7a1adcb Reviewed-on: https://cl.tvl.fyi/c/depot/+/7766 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2023-01-06 r/5601 refactor(tvix/eval): take owned ast::Expr in Compiler::compileVincent Ambo2-34/+34
This adds a very minimal amount of additional Rc-increments (~1 per compilation), but makes it a lot easier to add an AST-optimising compiler pass without incurring a lot of extra cost. Change-Id: I57208bdfc8882e3ae21c5850e14aa380d3ccea36 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7765 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-01-06 r/5600 feat(tvix/cli): add `--compile-only` "linter" functionalityVincent Ambo1-1/+52
With this, tvix/cli can be run on files and only produce compiler errors and warnings. Change-Id: I5dd9229fc065647787daafd17d7c1540579a1d98 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7764 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-01-06 r/5599 feat(tvix/eval): add Evaluation::compile_only methodVincent Ambo2-47/+99
This would make it possible to implement something like a linter based on the tvix-eval compiler warnings. Change-Id: I1feb4e7c4a44be7d1204b0a962ab522fd32b93c6 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7763 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2023-01-06 r/5598 fix(tvix/eval): don't increase `with_stack_size` in scope inheritsVincent Ambo1-1/+1
There was probably a misunderstanding somewhere about the with_stack_size being related to how far away it is from the with, but it is about whether there is a with at all. This broke a warning (`UselessInherit`), and may actually have let to more inefficient codegen in some cases. Change-Id: I08338ea59ae39dad01ca8a4e09d934a936cdea2f Reviewed-on: https://cl.tvl.fyi/c/depot/+/7762 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-01-06 r/5597 fix(tvix/eval): VM & Builtin* types have to be publicVincent Ambo2-13/+6
... without them, using the new Builtins API is basically impossible for library consumers. Change-Id: Ice0557a2e55e12d812f51bf5a99e6b8c91ad1b91 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7755 Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-01-06 r/5595 feat(tvix/eval): add builtins.{null,true,false}sterni1-0/+3
Code probably rarely relies on these, but it's not hard to support them. Change-Id: I8499fec34efaf031f9c013bbd370a13db929a2a3 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7772 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Autosubmit: sterni <sternenseemann@systemli.org>
2023-01-06 r/5594 test(tvix/eval): add test for builtins paritysterni4-1/+42
This will eventually force us to have a base builtins set in common with C++ Nix, i.e. all 2.3 builtins except the controversial builtins.valueSize. Change-Id: I2c767f07d6a14711911658e87da9f18ede57a143 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7747 Autosubmit: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-01-04 r/5592 feat(tvix/derivation): derive Clone, Debug, Eq and PartialEqFlorian Klink2-3/+3
This allows juggling with Derivation structs in unit tests, and makes it very easy to compare them for equality. Change-Id: I1faf2ec1eefb1a40fcee3c29f04ec47d29f22691 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7758 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-01-04 r/5591 feat(tvix/derivation): implement Derivation::validate()Florian Klink7-2/+207
Change-Id: I87dfadda872439e108e5f678a5da63dd5b1915d1 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7732 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-01-04 r/5590 chore(tvix/derivation): align json serialization with nix outputFlorian Klink11-103/+113
Use the #[serde(rename = "…")] field attributes to match the field names that Nix uses in its JSON output (nix show-derivation). This allows us to just re-use the exact same fixtures from go-nix, without manual post-massaging. Change-Id: Ifd5c08e43cd4f50d5e02903eccd8cb37230b70a6 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7757 Reviewed-by: jrhahn <mail.jhahn@gmail.com> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-01-04 r/5589 refactor(tvix/derivation): make output hashes an Option<Hash>Florian Klink2-29/+35
This conveys better if an output of a Derivation is fixed-output or not, and provides a Hash struct that can be used to store the algo and digest. In case it's not, this can simply be None. The serde field attributes have been updated to still accept the same JSON. We currently still store the hash algo and digest as strings, mostly because the only thing populating it so far is the example JSONs. We might want to update this, once actual Nix code populates this. While updating write.rs, I pushed some of the Vec<String> to [&str] conversions inline, and made it a Vec<&str>, because it was annoying to juggle with. Change-Id: Ia9cd0568fe179ac22a4a636237f22ab4ad92b95b Reviewed-on: https://cl.tvl.fyi/c/depot/+/7746 Tested-by: BuildkiteCI Reviewed-by: jrhahn <mail.jhahn@gmail.com> Reviewed-by: tazjin <tazjin@tvl.su>
2023-01-04 r/5588 feat(tvix/derivation): make struct members publicFlorian Klink1-7/+7
Allow others to peek into values. We should probably still restrict this further at a later point. Change-Id: I2831432038aa87c3c7dcc85af4fa76a4fe0eadff Reviewed-on: https://cl.tvl.fyi/c/depot/+/7745 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-01-04 r/5587 refactor(tvix/derivation): use tvix_store::nixpath::STORE_DIRFlorian Klink2-2/+4
There's now a common constant for this, so we don't need to redefine it here. Change-Id: I48b096f5e623e5fc5bbd355db83b674766935f94 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7753 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-01-04 r/5586 feat(tvix/store): implement Nixpath::from_absolute_pathFlorian Klink1-1/+39
This allows constructing a NixPath from an absolute path. It pops off the STORE_DIR prefix and the trailing slash and returns an error if it couldn't be found. Change-Id: Ib540e353c63cc247ac15e20414b0db2caf695ef4 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7751 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-01-04 r/5585 feat(tvix/serde): implement enum deserialisationVincent Ambo4-7/+189
Implements externally tagged enum deserialisation. Other serialisation methods are handled by serde internally using the existing methods. See the tests for examples. Change-Id: Ic4a9da3b5a32ddbb5918b1512e70c3ac5ce64f04 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7721 Tested-by: BuildkiteCI Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: flokli <flokli@flokli.de>
2023-01-04 r/5584 feat(tvix/serde): add newtype & tuple deserialisationVincent Ambo2-10/+27
Only missing enums at this point, but they're a bit of a beast. Change-Id: I4ad47c034851f9a8794c81f39a5149a8ac1826e8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7716 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de> Autosubmit: tazjin <tazjin@tvl.su>
2023-01-04 r/5583 refactor(tvix/eval): avoid unnecessary pop/push in OpForceVincent Ambo1-6/+1
Change-Id: Ic7559eaa43aa0dcc97babb7669770c0f7f959f1b Reviewed-on: https://cl.tvl.fyi/c/depot/+/7754 Autosubmit: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2023-01-04 r/5582 fix(tvix/eval): ' is allowed in nonfirst position in Nix identifierssterni3-1/+32
With this is_valid_nix_identifier should line up with the upstream lexer definition: ID [a-zA-Z\_][a-zA-Z0-9\_\'\-]* While we're working on this, add a simple test checking the various formatting rules. Interestingly, it would not be suitable as an identity test, since you have to write { "assert" = null; } in order to avoid an evaluation error, but C++ Nix is happy to print this as { assert = null; } – maybe should be considered to be a bug. Change-Id: I0a4e1ccb5033a80f3767fb8d1c4bba08d303c5d8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7744 Autosubmit: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-01-04 r/5581 refactor(tvix/eval): streamline construction of globals/builtinsVincent Ambo7-219/+270
Previously the construction of globals (a compiler-only concept) and builtins (a (now) user-facing API) was intermingled between multiple different modules, and kind of difficult to understand. The complexity of this had grown in large part due to the implementation of `builtins.import`, which required the notorious "knot-tying" trick using Rc::new_cyclic (see cl/7097) for constructing the set of globals. As part of the new `Evaluation` API users should have the ability to bring their own builtins, and control explicitly whether or not impure builtins are available (regardless of whether they're compiled in or not). To streamline the construction and allow the new API features to work, this commit restructures things by making these changes: 1. The `tvix_eval::builtins` module is now only responsible for exporting sets of builtins. It no longer has any knowledge of whether or not certain sets (e.g. only pure, or pure+impure) are enabled, and it has no control over which builtins are globally available (this is now handled in the compiler). 2. The compiler module is now responsible for both constructing the final attribute set of builtins from the set of builtins supplied by a user, as well as for populating its globals (that is identifiers which are available at the top-level scope). 3. The `Evaluation` API now carries a `builtins` field which is populated with the pure builtins by default, and can be extended by users. 4. The `import` feature has been moved into the compiler, as a special case. In general, builtins no longer have the ability to reference the "fix point" of the globals set. This should not change any functionality, and in fact preserves minor differences between Tvix/Nix that we already had (such as `builtins.builtins` not existing). Change-Id: Icdf5dd50eb81eb9260d89269d6e08b1e67811a2c Reviewed-on: https://cl.tvl.fyi/c/depot/+/7738 Reviewed-by: sterni <sternenseemann@systemli.org> Autosubmit: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2023-01-04 r/5580 feat(tvix/derivation): add nix drv path generation to DerivationJürgen Hahn7-4/+137
This adds a function to generate the derivation path. The computation is based on the Go implementation. Change-Id: Iae89db4976f5fd9208f0453f73688689a245cd66 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7729 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2023-01-04 r/5579 docs(feat/derivation): add docstring to formatterJürgen Hahn1-0/+1
This is just to clarify that the formatted result is the ATerm representation Change-Id: I98fd0b1d2daa3cf6fdbe526ae1e0bd100ff62df3 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7742 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2023-01-04 r/5577 feat(tvix/derivation) Add fmt::Display implementation for DerivationJürgen Hahn3-22/+42
This adds the implementation of fmt::Display for Derivation so that we can easily store the formatted content as a string. Internally, we use the serialization function to generate the string. Change-Id: I6caca0d6c1bea3ca44b6c535c5b1d5d66d8413b7 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7741 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-01-03 r/5576 test(tvix/serde): add initial set of deserialisation testsVincent Ambo4-1/+87
Change-Id: I0a9779edf0296c25d37fb5f75f8fc5852fe00121 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7715 Tested-by: BuildkiteCI Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: flokli <flokli@flokli.de>
2023-01-03 r/5575 feat(tvix/serde): handle nested data structuresVincent Ambo1-12/+55
Change-Id: I543fc05d31bbb9ad2edb887bce4510e9a1cdb102 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7714 Tested-by: BuildkiteCI Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: flokli <flokli@flokli.de>
2023-01-03 r/5572 feat(tvix/store/nixpath): DIGEST_SIZE public, use more constsFlorian Klink1-12/+18
Rename PATH_HASH_SIZE to DIGEST_SIZE. It's a digest, not hash (we don't necessarily have the internal hash state anymore), and the fact it's about (Nix)Paths is already visible from the module name. Also expose ENCODED_DIGEST_SIZE, so we don't need to do the calculation inside from_string() method, and it becomes more clear this is a constant. Change-Id: I0e7577dd7a6e503039037b986313b214e995d826 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7725 Reviewed-by: tazjin <tazjin@tvl.su> Reviewed-by: jrhahn <mail.jhahn@gmail.com> Tested-by: BuildkiteCI
2023-01-03 r/5571 feat(tvix/store/nixpath): expose digest and name fieldsFlorian Klink1-2/+2
These can be accessed directly. Change-Id: I71dc84f982820d53f319efefbed9b9055034954d Reviewed-on: https://cl.tvl.fyi/c/depot/+/7724 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-01-03 r/5570 feat(src/proto): add PathInfo.validate()Florian Klink3-0/+307
This provides validation of PathInfo messages, and ensures the output hashes are properly parsed from the root node names. NixPath already has a more extensive test suite for various wrong NixPaths, so it's omitted from here. Change-Id: I5d69118df5816daabb521ddb19d178bddd1caacf Reviewed-on: https://cl.tvl.fyi/c/depot/+/7684 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-01-03 r/5569 chore(tvix/store): make importableFlorian Klink6-26/+35
This allows other crates to import tvix_store. Rename the bin crate to tvix-store-bin, to avoid having multiple crates with the same name (https://github.com/rust-lang/cargo/issues/6313) Change-Id: I857768d6115640dbf102e79ed03e8474090df2fe Reviewed-on: https://cl.tvl.fyi/c/depot/+/7728 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-01-03 r/5568 chore(tvix/store/nixbase32): address clippyFlorian Klink1-1/+1
Change-Id: Ib47a55e39ed752492b9732439de5f327a7fa601e Reviewed-on: https://cl.tvl.fyi/c/depot/+/7723 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su>
2023-01-03 r/5567 chore(tvix/store/main): address clippyFlorian Klink1-1/+1
Change-Id: Ie400a7109d3aa6b66153c0ab25a38abf06984cbf Reviewed-on: https://cl.tvl.fyi/c/depot/+/7722 Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-01-02 r/5566 feat(tvix/serde): initial Nix->serde::Deserialize implVincent Ambo8-0/+485
This will make it possible fairly easily use Nix to represent arbitrary data structures, e.g. for using Nix as a config language. Only pure Nix (i.e. no `import` etc.) is supported for now. Not all types, specifically no struct traversal, are implemented in this commit. Change-Id: I9ac91a229a0d12bf818e6e3249f3e5a691599a2c Reviewed-on: https://cl.tvl.fyi/c/depot/+/7712 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2023-01-02 r/5565 chore(tvix/eval): implement std::error::Error for tvix_eval::ErrorVincent Ambo2-1/+20
This makes it easier to interface this error with other crates. Change-Id: I4947ea6097608f8c0427fb94a819ef748d94ea4b Reviewed-on: https://cl.tvl.fyi/c/depot/+/7711 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2023-01-02 r/5564 refactor(tvix/derivation): refactor the derivation serializationJürgen Hahn6-215/+248
This refactors the code to serialize a derivation. The original code has beed moved to seperate crates for better code structure. Change-Id: I3b1a6b134428fcbc9930c330bced8ec3610cfb4c Reviewed-on: https://cl.tvl.fyi/c/depot/+/7733 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2022-12-30 r/5558 feat(tvix/store): add logging with tracingFlorian Klink7-10/+327
This uses [tracing](https://github.com/tokio-rs/tracing) for logs/ tracing. Annotate all method handlers with an instrument macro, and warn! a message for them being unimplemented. Co-Authored-By: Márton Boros <martonboros@gmail.com> Change-Id: Id42a41db33782d82abfb8dc0e49a8915000e5d89 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7665 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-12-30 r/5557 feat(tvix/store): implement reflectionFlorian Klink7-27/+144
This implements grpc.reflection.v1alpha.ServerReflection, and will make tools like evans automatically discover available services, without having to specify the path to the .proto files client-side. It's behind a reflection feature flag, which is enabled by default. Change-Id: Icbcb5eb05ceede5b9952e38a2ba72eaa6fa8a437 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7435 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-12-30 r/5556 refactor(tvix/store): make nixbase32 reversal more idiomaticedef1-7/+4
Change-Id: Ibe550f9573b0f45ee95453b50c7510e49b07c719 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7685 Reviewed-by: tazjin <tazjin@tvl.su> Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-12-30 r/5555 feat(tvix/store): refactor digest conversionJürgen Hahn2-6/+2
This refactors how the original digest type (Vec<u8>) is converted to [u8; PATH_HASH_SIZE]. Change-Id: I9441470a3a199620fcf328f2b7c890ca6ae93bde Reviewed-on: https://cl.tvl.fyi/c/depot/+/7710 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2022-12-30 r/5554 feat(tvix/store): initial dummy implementationFlorian Klink7-22/+175
This replaces the hello world example from tvix-store with an actual gRPC endpoint, implementing all of BlobService, DirectoryService and PathInfoService. All RPC methods currently respond with the unimplemented gRPC status. Co-Authored-By: Márton Boros <martonboros@gmail.com> Change-Id: Ieba333cca44dc1e3f2ffbe676ba7a99e672b9bfb Reviewed-on: https://cl.tvl.fyi/c/depot/+/7664 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-12-30 r/5553 chore(tvix/store/protos): more idiomatic goFlorian Klink1-3/+1
Pointed out by edef in https://cl.tvl.fyi/c/depot/+/7648/comment/4551ba4b_e89ade36/#, thanks! Change-Id: I6b0d317bb0210521622483cdf4cb557bc637a100 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7709 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su>
2022-12-30 r/5552 feat(tvix/store): parameterise validate_digest errorFlorian Klink1-4/+7
Similar to cl/7682, we also want to make that error configurable. Change-Id: I64f1a4570b3d75af4741abe10c2855959766e107 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7708 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-12-30 r/5551 feat(tvix/store): add nixpathJürgen Hahn2-0/+143
This implements the NixPath structure. NixPath allow to parse a string to a nix path. If the parsing fails, a DecodeError will be raised. Change-Id: I28363cdcfb27f04bf21a11c0d130b461667e3720 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7706 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-12-30 r/5550 feat(tvix/store): add nixbase32 modFlorian Klink5-33/+247
This implements the nix-specific base32 encoding and decoding, exposing a subset of the API that the data-encoding crate provides. Nix uses a custom alphabet, no padding, and encodes bytes in reverse order. The latter one is the reason we can't just use the data-encoding crate directly. Three odd corner case tests ported over from go-nix failed. We opened b/235 to further investigate. Change-Id: I73fab6ddd67177d882e4c3f2b48761c95853d558 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7683 Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2022-12-29 r/5549 feat(tvix/store): parameterise validate_node_name errorFlorian Klink1-9/+8
We'll be using validate_node_name in other places in a bit, where returning a ValidateDirectoryError is not appropriate. Accept a function mapping a string to error as a second argument, and pass ValidateDirectoryError::InvalidName at the current call sites. Change-Id: I45cbb0deb4763061ad912c6b18a112c727795a17 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7682 Tested-by: BuildkiteCI Reviewed-by: jrhahn <mail.jhahn@gmail.com> Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de>
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