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path: root/tvix/glue/src/tvix_io.rs
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2024-06-26 r/8304 feat(tvix/eval): add file_type methodFlorian Klink1-0/+4
This allows peeking of the type at a given path. It's necessary, as an open() might not fail until you try to read() from it, and generally, stat'ing can be faster in some cases. Change-Id: Ib002da3194a3546ca286de49aac8d1022ec5560f Reviewed-on: https://cl.tvl.fyi/c/depot/+/11871 Tested-by: BuildkiteCI Reviewed-by: Ilan Joselevich <personal@ilanjoselevich.com> Reviewed-by: Connor Brewster <cbrewster@hey.com>
2024-04-09 r/7882 fix(tvix): Avoid buffering file into memory in builtins.hashFileConnor Brewster1-6/+5
Right now `builtins.hashFile` always reads the entire file into memory before hashing, which is not ideal for large files. This replaces `read_to_string` with `open_file` which allows calculating the hash of the file without buffering it entirely into memory. Other callers can continue to buffer into memory if they choose, but they still use the `open_file` VM request and then call `read_to_string` or `read_to_end` on the `std::io::Reader`. Fixes b/380 Change-Id: Ifa1c8324bcee8f751604b0b449feab875c632fda Reviewed-on: https://cl.tvl.fyi/c/depot/+/11236 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-02-21 r/7587 fix(tvix/eval): allow reading non-UTF8 filesFlorian Klink1-3/+3
With our values using bstr now, we're not restricted to only reading files that contain valid UTF-8. Update our `read_to_string` function to `read_to_end` (named like `std::io::Read::read_to_end`), and have it return a Vec<u8>. Change-Id: I87f0291dc855a132689576559c891d66c30ddf2b Reviewed-on: https://cl.tvl.fyi/c/depot/+/11003 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: Pádraic Ó Mhuiris <patrick.morris.310@gmail.com> Reviewed-by: flokli <flokli@flokli.de>
2024-02-20 r/7565 chore(tvix/glue): remove unnecessary assignmentVincent Ambo1-2/+1
Change-Id: I747307317c45085f9f7762d659870c5bd75b908b Reviewed-on: https://cl.tvl.fyi/c/depot/+/10958 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-01-18 r/7410 feat(tvix/glue): use TvixStoreIO as derivation builtin stateRyan Lahfa1-8/+11
We propagate a `TvixStoreIO` as the `state` of our derivation-specific builtins in the glue crate. The evaluators `io_handle` itself is using a Rc<dyn EvalIO>. An earlier version of TvixStoreIO was also introducing generics over the different internal services themselves, but we opted for instead hardcoding this to Arc<dyn …> for the sake of less macro voodoo. Change-Id: I535c476f06b840858fa3070c4a237ece47f7a15b Reviewed-on: https://cl.tvl.fyi/c/depot/+/10636 Reviewed-by: raitobezarius <tvl@lahfa.xyz> Autosubmit: raitobezarius <tvl@lahfa.xyz> Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-01-03 r/7338 feat(tvix/glue): contextful derivationRyan Lahfa1-17/+2
We calculate the input context by performing the union of context over all input of the derivation. Then, we just pass the rest of it to the remaining machinery. Finally, we re-emit an `outPath` and a `drvPath` containing the expected contexts. Change-Id: I74905fb258b5bee8b08d1208c9eb87f51b92a890 Reviewed-on: https://cl.tvl.fyi/c/depot/+/10436 Autosubmit: raitobezarius <tvl@lahfa.xyz> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-12-12 r/7170 refactor(tvix): use io::Result for EvalIOFlorian Klink1-4/+4
This is just a alias for Result<_, io::Error>, but shorter. Change-Id: I7c22f61b85e3014885a747b5c1e5abd11b0ef17d Reviewed-on: https://cl.tvl.fyi/c/depot/+/10327 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-11-04 r/6938 refactor(tvix/glue): move nix_path handling to helper in tvix-glueFlorian Klink1-2/+2
Change-Id: I2327560c4cf0d3f90e253e3c2f47cb29c762461e Reviewed-on: https://cl.tvl.fyi/c/depot/+/9910 Reviewed-by: raitobezarius <tvl@lahfa.xyz> Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-11-04 r/6936 refactor(tvix): move tvix glue code into glue crateFlorian Klink1-0/+80
There's various bits and pieces in tvix-cli that use both the store and evaluator, as well as nix-compat. For example, builtins.derivation, as well as the reference scanning implementation. This "glue code" currently isn't accessible from anywhere else, but it'd be very useful if it were. Move it out into a `glue` crate, and make `tvix-cli` a consumer of it. All the KnownPaths setup and passing around, as well as NIX_PATH handling is also something that should probably be moved into the glue crate as well, but that's something left for a future CL. Change-Id: I080ed3d1825ab23790666486840f301f00856277 Reviewed-on: https://cl.tvl.fyi/c/depot/+/9908 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz>