"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.getChangedFiles = getChangedFiles;
const child_process_1 = require("child_process");
const util = __importStar(require("util"));
const path = __importStar(require("path"));
const execAsync = util.promisify(child_process_1.exec);
async function getChangedFiles(baseRef, headRef, projectRoot = process.cwd()) {
    let base = baseRef;
    let head = headRef;
    if (!base) {
        base = process.env.GITHUB_BASE_REF;
    }
    if (!head) {
        head = process.env.GITHUB_SHA || process.env.GITHUB_HEAD_REF || 'HEAD';
    }
    if (!base) {
        throw new Error('Could not determine base ref. Please provide --base-ref or ensure GITHUB_BASE_REF is set.');
    }
    try {
        const { stdout } = await execAsync(`git diff --name-only ${base}...${head}`, { cwd: projectRoot });
        const files = stdout.split('\n').map(f => f.trim()).filter(f => f.length > 0);
        return files.map(f => path.resolve(projectRoot, f));
    }
    catch (err) {
        throw new Error(`Failed to detect changed files: ${err.message || err.toString()}`);
    }
}
//# sourceMappingURL=git.js.map