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gobject-generator/scripts/compile-gate.sh

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#!/usr/bin/env bash
# compile-gate.sh — the generator's primary acceptance gate.
#
# Generates the tier's monorepo from configs/tierN.toml, then requires the
# generated package to `swift build` with ZERO errors. Pass/fail only: error
# counts are not a metric. Also diffs each module's skip report against the
# committed baseline in docs/skip-baseline/tierN/ (if present) so that new
# skips in supported categories fail loudly.
#
# Usage:
# scripts/compile-gate.sh <tier|all> [--fresh]
#
# <tier> 1..6 (tier1 = GLib+GObject ... tier6 = full stack), or 'all'
# --fresh remove the tier's output directory before generating (use when
# the generated file set shrinks and stale files would linger)
#
# Output goes to ${TMPDIR:-/tmp}/gobject-generator-gate/tier-N; a stable path so
# incremental swift builds stay fast between runs.
set -euo pipefail
ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
GATE_ROOT="${TMPDIR:-/tmp}/gobject-generator-gate"
TIER_ARG="${1:-}"
FRESH=0
[[ "${2:-}" == "--fresh" ]] && FRESH=1
if [[ -z "$TIER_ARG" ]]; then
echo "usage: $0 <tier|all> [--fresh]" >&2
exit 2
fi
if [[ "$TIER_ARG" == "all" ]]; then
TIERS=(1 2 3 4 5 6)
else
TIERS=("$TIER_ARG")
fi
echo "==> Building generator"
swift build --package-path "$ROOT"
BIN="$(swift build --package-path "$ROOT" --show-bin-path)/generator"
FAILED=0
run_tier() {
local tier="$1"
local config="$ROOT/configs/tier${tier}.toml"
local out="$GATE_ROOT/tier-${tier}"
if [[ ! -f "$config" ]]; then
echo "!! tier $tier: missing $config" >&2
return 1
fi
if [[ "$FRESH" == 1 ]]; then
rm -rf "$out"
fi
mkdir -p "$out"
echo "==> Tier $tier: generating into $out"
if ! "$BIN" --monorepo-config "$config" --output "$out" --skip-report --format-config "$ROOT/.swift-format" >"$out/generate.log" 2>&1; then
echo "!! tier $tier: GENERATION FAILED (see $out/generate.log)" >&2
tail -n 20 "$out/generate.log" >&2
return 1
fi
echo "==> Tier $tier: swift build"
if ! swift build --package-path "$out" >"$out/build.log" 2>&1; then
echo "!! tier $tier: BUILD FAILED (see $out/build.log)" >&2
grep -m 10 'error:' "$out/build.log" >&2 || tail -n 20 "$out/build.log" >&2
return 1
fi
echo "==> Tier $tier: swift format lint"
if ! swift format lint --strict --configuration "$ROOT/.swift-format" --recursive --parallel "$out/Sources" >"$out/lint.log" 2>&1; then
echo "!! tier $tier: LINT FAILED (see $out/lint.log)" >&2
head -n 40 "$out/lint.log" >&2
return 1
fi
local baseline="$ROOT/docs/skip-baseline/tier${tier}"
if [[ -d "$baseline" ]]; then
echo "==> Tier $tier: diffing skip reports against $baseline"
if ! diff -ru "$baseline" "$out/skip-reports" >"$out/skip-diff.log" 2>&1; then
echo "!! tier $tier: SKIP REPORT CHANGED (see $out/skip-diff.log)" >&2
head -n 40 "$out/skip-diff.log" >&2
echo " If the change is intentional (coverage grew), refresh the baseline:" >&2
echo " cp -r $out/skip-reports/. $baseline/" >&2
return 1
fi
else
echo "==> Tier $tier: no skip baseline at $baseline (skipping diff)"
fi
echo "==> Tier $tier: PASS"
}
for tier in "${TIERS[@]}"; do
if ! run_tier "$tier"; then
FAILED=1
fi
done
exit "$FAILED"