#!/usr/bin/env bash
#
# Project build hook (tech-spec §9): run the Rust workspace checks in CI.
#
# Invoked by .forgejo/workflows/build.yaml after the generic `prek` pass.
# Bootstraps a minimal Rust toolchain via rustup when the runner image lacks
# one, so the suite runs without a bespoke CI image. The headless nvim e2e
# suite is added here once heph.nvim exists.

set -euo pipefail

if ! command -v cargo >/dev/null 2>&1; then
  echo "cargo not found; bootstrapping Rust toolchain via rustup..."
  export RUSTUP_HOME="${RUSTUP_HOME:-$HOME/.rustup}"
  export CARGO_HOME="${CARGO_HOME:-$HOME/.cargo}"
  curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs \
    | sh -s -- -y --profile minimal
  # shellcheck disable=SC1091
  . "$CARGO_HOME/env"
  rustup component add clippy rustfmt
fi

echo "== cargo fmt --check =="
cargo fmt --all --check

echo "== cargo clippy =="
cargo clippy --all-targets --all-features -- -D warnings

echo "== cargo test =="
cargo test --all