Files
Charon/scripts/local-patch-report.sh
GitHub Actions aefbc5eee8 chore: add local pre-CI patch report generation for backend and frontend coverage
- Implemented a new script `local-patch-report.sh` to generate a local patch report.
- The report computes patch coverage based on changes from the current branch against `origin/main`.
- Integrated backend and frontend coverage inputs, producing both Markdown and JSON output artifacts.
- Updated existing frontend coverage script to validate the presence of LCOV coverage file.
- Added tests for coverage computation and parsing of unified diffs for changed lines.
- Enhanced error handling and validation for coverage inputs and baseline references.
2026-02-17 13:11:29 +00:00

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#!/usr/bin/env bash
set -euo pipefail
ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
BASELINE="${CHARON_PATCH_BASELINE:-origin/main...HEAD}"
BACKEND_COVERAGE_FILE="$ROOT_DIR/backend/coverage.txt"
FRONTEND_COVERAGE_FILE="$ROOT_DIR/frontend/coverage/lcov.info"
JSON_OUT="$ROOT_DIR/test-results/local-patch-report.json"
MD_OUT="$ROOT_DIR/test-results/local-patch-report.md"
if ! command -v git >/dev/null 2>&1; then
echo "Error: git is required to generate local patch report." >&2
exit 1
fi
if ! command -v go >/dev/null 2>&1; then
echo "Error: go is required to generate local patch report." >&2
exit 1
fi
if [[ ! -f "$BACKEND_COVERAGE_FILE" ]]; then
echo "Error: backend coverage input missing at $BACKEND_COVERAGE_FILE" >&2
exit 1
fi
if [[ ! -f "$FRONTEND_COVERAGE_FILE" ]]; then
echo "Error: frontend coverage input missing at $FRONTEND_COVERAGE_FILE" >&2
exit 1
fi
BASE_REF="$BASELINE"
if [[ "$BASELINE" == *"..."* ]]; then
BASE_REF="${BASELINE%%...*}"
fi
if [[ -n "$BASE_REF" ]] && ! git -C "$ROOT_DIR" rev-parse --verify --quiet "${BASE_REF}^{commit}" >/dev/null; then
echo "Error: baseline base ref '$BASE_REF' is not available locally. Set CHARON_PATCH_BASELINE to a valid range and retry." >&2
exit 1
fi
mkdir -p "$ROOT_DIR/test-results"
(
cd "$ROOT_DIR/backend"
go run ./cmd/localpatchreport \
--repo-root "$ROOT_DIR" \
--baseline "$BASELINE" \
--backend-coverage "$BACKEND_COVERAGE_FILE" \
--frontend-coverage "$FRONTEND_COVERAGE_FILE" \
--json-out "$JSON_OUT" \
--md-out "$MD_OUT"
)