Re: What's cooking in git.git (Jan 2026, #09)

> * bc/sha1-256-interop-02 (2025-11-17) 15 commits
>  - object-file-convert: always make sure object ID algo is valid
>  - rust: add a small wrapper around the hashfile code
>  - rust: add a new binary object map format
>  - rust: add functionality to hash an object
>  - rust: add a build.rs script for tests
>  - hash: expose hash context functions to Rust
>  - write-or-die: add an fsync component for the object map
>  - csum-file: define hashwrite's count as a uint32_t
>  - rust: add additional helpers for ObjectID
>  - hash: add a function to look up hash algo structs
>  - rust: add a hash algorithm abstraction
>  - rust: add a ObjectID struct
>  - hash: use uint32_t for object_id algorithm
>  - conversion: don't crash when no destination algo
>  - repository: require Rust support for interoperability
> 
>  The code to maintain mapping between object names in multiple hash
>  functions is being added, written in Rust.
> 
>  Any progress on CI breakages???
>  source: <20251117221621.2863243-1-sandals@crustytoothpaste.net>