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path: root/tvix/castore/src/fs/inodes.rs
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2024-08-13 r/8486 refactor(tvix/castore): move *Node and Directory to crate rootFlorian Klink1-2/+1
*Node and Directory are types of the tvix-castore model, not the tvix DirectoryService model. A DirectoryService only happens to send Directories. Move types into individual files in a nodes/ subdirectory, as it's gotten too cluttered in a single file, and (re-)export all types from the crate root. This has the effect that we now cannot poke at private fields directly from other files inside `crate::directoryservice` (as it's not all in the same file anymore), but that's a good thing, it now forces us to go through the proper accessors. For the same reasons, we currently also need to introduce the `rename` functions on each *Node directly. A followup is gonna move the names out of the individual enum kinds, so we can better represent "unnamed nodes". Change-Id: Icdb34dcfe454c41c94f2396e8e99973d27db8418 Reviewed-on: https://cl.tvl.fyi/c/depot/+/12199 Reviewed-by: yuka <yuka@yuka.dev> Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-08-13 r/8484 refactor(tvix/castore): use Directory struct separate from proto oneYureka1-14/+11
This uses our own data type to deal with Directories in the castore model. It makes some undesired states unrepresentable, removing the need for conversions and checking in various places: - In the protobuf, blake3 digests could have a wrong length, as proto doesn't know fixed-size fields. We now use `B3Digest`, which makes cloning cheaper, and removes the need to do size-checking everywhere. - In the protobuf, we had three different lists for `files`, `symlinks` and `directories`. This was mostly a protobuf size optimization, but made interacting with them a bit awkward. This has now been replaced with a list of enums, and convenience iterators to get various nodes, and add new ones. Change-Id: I7b92691bb06d77ff3f58a5ccea94a22c16f84f04 Reviewed-on: https://cl.tvl.fyi/c/depot/+/12057 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-04-30 r/8038 test(tvix): Fix tvix tests on macOSAlice Carroll1-6/+8
Prior to this, some tests would not build or would fail in an obscure way. Change-Id: I68587cc7592492ebfd71ca02fc7ccc9ff7c0196f Reviewed-on: https://cl.tvl.fyi/c/depot/+/11544 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-04-15 r/7931 refactor(tvix/castore/fs): remove From<Node> for InodeDataFlorian Klink1-43/+43
These were copying unnecessarily. Instead, have a InodeData::from_node(), which *consumes* the Node entirely, returns `InodeData` and the split-off name (which is not part of InodeData). Callers can then use the result in various helper functions, like: - InodeData::as_fuse_type - InodeData::as_fuse_file_attr - InodeData::as_fuse_entry … to prepare their replies to the kernel. This removes not only a bunch of clones, but also a lot of copy-pasted code. Change-Id: Idbca5f25cc29e96c1f4c614b33dff2becb0a8738 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11435 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: Connor Brewster <cbrewster@hey.com>
2024-04-15 r/7921 refactor(tvix/castore/fs): add InodeData::as_fuse_{entry,file_attr}Florian Klink1-0/+37
Remove the now unused gen_file_attr (which had a wrong docstring). Change-Id: Ie86b14d1ad798e6233bc44c43ace3f8b95c67ea9 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11430 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: Connor Brewster <cbrewster@hey.com>
2023-12-22 r/7256 chore(tvix): move store/fs to castore/fsFlorian Klink1-0/+57
With the recent introduction of the RootNodes trait, there's nothing in the fs module pulling in tvix-store dependencies, so it can live in tvix-castore. This allows other crates to make use of TvixStoreFS, without having to pull in tvix-store. For example, a tvix-build using a fuse mountpoint at /nix/store doesn't need a PathInfoService to hold the root nodes that should be present, but just a list. tvix-store now has a pathinfoservice/fs module, which contains the necessary glue logic to implement the RootNodes trait for a PathInfoService. To satisfy Rust orphan rules for trait implementations, we had to add a small wrapper struct. It's mostly hidden away by the make_fs helper function returning a TvixStoreFs. It can't be entirely private, as its still leaking into the concrete type of TvixStoreFS. tvix-store still has `fuse` and `virtiofs` features, but they now simply enable these features in the `tvix-castore` crate they depend on. The tests for the fuse functionality stay in tvix-store for now, as they populate the root nodes through a PathInfoService. Once above mentioned "list of root nodes" implementation exists, we might want to shuffle this around one more time. Fixes b/341. Change-Id: I989f664827a5a361b23b34368d242d10c157c756 Reviewed-on: https://cl.tvl.fyi/c/depot/+/10378 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>