M1 R1: is_git_repo via gix::discover (qwen2.5-coder:32b)#2
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WHAT: src/repo/is_git_repo.rs — `pub fn is_git_repo(path: &Path) -> bool` backed by `gix::discover` (true iff `path` is inside a git working tree, including from a subdirectory), with parity tests vs `git rev-parse --git-dir` on repo / subdir / non-repo fixtures. Registered in repo/mod.rs; the PyO3 `is_git_repo` wrapper is wired to call it. WHY: First read primitive of the M1 git-tend port (docs/ROADMAP.md M1, step 1). PROVENANCE: the implementation and its tests were written by the local model qwen2.5-coder:32b, driven headlessly through `newt worker` (the newt-agent ACP worker) by the pilot. The pilot applied a mechanical clippy fixup (needless_borrows_for_generic_args) and the module/PyO3 wiring. Co-Authored-By: qwen2.5-coder:32b <model@newt.local> Model: qwen2.5-coder:32b Piloted-by: newt-agent Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Summary
First M1 read primitive (
docs/ROADMAP.mdM1, step 1). Implementsis_git_repobacked by
gix::discoverand wires it through the PyO3 surface.Written by a local model, piloted by newt-agent. The implementation +
parity tests in
src/repo/is_git_repo.rswere produced byqwen2.5-coder:32bdriven headlessly through
newt worker(newt-agent's ACP worker). The pilotapplied a clippy fixup (
needless_borrows_for_generic_args) and the 2-linemodule registration + PyO3 wrapper wiring. See the commit's
Model:/Co-Authored-By:trailers — that's the provenance.Test plan
cargo test --no-default-features→ 7 core tests pass, includingrepo::is_git_repo::tests::{repo_root_and_subdir, non_repo, parity_with_git_cli}(the last asserts the gix result equals
git rev-parse --git-dir's exit on thesame fixture).
cargo clippy --no-default-features --all-targets -- -D warnings→ clean.cargo clippy --features extension-module -- -D warnings→ clean.cargo fmt --all --check→ clean.Note
Stacked on #1 (the M1 foundation). Base will auto-retarget to
mainonce #1merges, at which point CI runs and this merges. Each remaining M1 method follows
the same one-method-per-PR, model-provenanced pattern.