chore: initialize gitbaby repository
gitbaby is an asynchronous Rust library wrapping git operations, built on
gix + tokio + async-trait.
Module layout:
- archive, blame, blob, branch, cleanup, commit, compare, config,
conflict, diff, merge, refs, remote, setup, share, submodule, tags,
tree (feature modules)
- command: command scheduler (cmd/env/pipe/context/error)
- repo: RepositoryFacade trait (consumers implement, exposing a
gix::Repository)
Features:
- async API on tokio 1.53
- order-preserving Env (Vec<(String, String)>)
- hand-written BabyError / CmdError, not using thiserror derive
- integration tests covering cmd_run / context / env / pipe (env keys
prefixed for isolation)
CI: none, standard cargo build / test / clippy / fmt only
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