git-arweave-lfs/dist/drivers/diff.js

A Git extension for versioning large files with Arweave storage

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.diffDriver = void 0;
const fs_1 = require("fs");
const crypto_1 = require("crypto");
const diffDriver = () => {
    try {
        const args = process.argv.slice(3);
        if (args.length < 7) {
            console.log('Binary files differ');
            return;
        }
        const [path, oldFile, oldHex, oldMode, newFile, newHex, newMode] = args;
        if (!(0, fs_1.existsSync)(oldFile) || !(0, fs_1.existsSync)(newFile)) {
            console.log('Binary files differ');
            return;
        }
        const oldStats = (0, fs_1.statSync)(oldFile);
        const newStats = (0, fs_1.statSync)(newFile);
        if (oldStats.size !== newStats.size) {
            console.log(`Binary files ${path} differ`);
            return;
        }
        const oldBuffer = (0, fs_1.readFileSync)(oldFile);
        const newBuffer = (0, fs_1.readFileSync)(newFile);
        const oldHash = (0, crypto_1.createHash)('sha256').update(oldBuffer).digest('hex');
        const newHash = (0, crypto_1.createHash)('sha256').update(newBuffer).digest('hex');
        if (oldHash === newHash) {
            return;
        }
        else {
            console.log(`Binary files ${path} differ`);
        }
    }
    catch (error) {
        console.error(`Error in diff driver: ${error}`);
        console.log('Binary files differ');
    }
};
exports.diffDriver = diffDriver;
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