#!/usr/bin/env bash
set -euo pipefail

test "$(uname -s)" = Linux
test "$(id -u)" != 0
printf 'Linux checks: uid=%s architecture=%s\n' "$(id -u)" "$(uname -m)"
rustc --version
cargo --version

# Only source inputs are copied. Cargo output and all fixtures disappear with
# the container; the host checkout is read-only and no personal tree is scanned.
check_root=$(mktemp -d /tmp/sized-check.XXXXXX)
source_root=${SIZED_TEST_SOURCE:-/source}
cp "$source_root/Cargo.toml" "$source_root/Cargo.lock" "$check_root/"
cp -R "$source_root/src" "$source_root/tests" "$source_root/benches" "$source_root/crates" "$source_root/docs" "$check_root/"
cp "$source_root/CORE-SNAPSHOT.json" "$check_root/"
if [[ -d "$source_root/vendor" ]]; then
    cp -R "$source_root/vendor" "$source_root/.cargo" "$check_root/"
    export CARGO_NET_OFFLINE=true
fi
cp "$source_root/LICENSE" "$source_root/README.md" "$source_root/MANUAL.md" "$check_root/"
mkdir "$check_root/scripts"
cp "$source_root"/scripts/{release.sh,check-release.sh,check-core.py,package-notices.py} "$check_root/scripts/"
export SIZED_SOURCE_REVISION="${SIZED_SOURCE_REVISION:-$(git -C "$source_root" rev-parse HEAD 2>/dev/null || printf unknown)}"
cd "$check_root"
python3 scripts/check-core.py
cargo fmt --all -- --check
cargo test --locked --workspace
cargo test --locked --workspace --test linux_mount -- --ignored
cargo clippy --locked --workspace --all-targets -- -D warnings
cargo build --locked --release

fixture_root=$(mktemp -d /tmp/sized-release.XXXXXX)
printf 'Linux release smoke test\n' > "$fixture_root/payload"
./target/release/sized --version
./target/release/sized "$fixture_root" --threads 2 --one-file-system --apparent --format json
./scripts/check-release.sh
if [[ -n ${SIZED_RELEASE_DIR:-} ]]; then
    ./scripts/release.sh --output-dir "$SIZED_RELEASE_DIR/sized-v2.0.0-$(rustc -vV | sed -n 's/^host: //p')"
fi
printf 'Linux checks passed.\n'