oss/RomPatcher.js
oss/RomPatcher.js
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Marc Robledo 2024-08-09 19:30:49 +02:00
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#! /usr/bin/env node
/*
CLI implementation for Rom Patcher JS
https://github.com/marcrobledo/RomPatcher.js
by Marc Robledo, released under MIT license: https://github.com/marcrobledo/RomPatcher.js/blob/master/LICENSE
Usage:
Install needed dependencies:
> npm install
Patch a ROM:
> node index.js patch "my_rom.bin" "my_patch.ips"
Create a patch from two ROMs:
> node index.js create "original_rom.bin" "modified_rom.bin"
For more options:
> node index.js patch --help
> node index.js create --help
*/
const chalk=require('chalk');
const { program } = require('commander')
const RomPatcher = require('./app/RomPatcher');
program
.command('patch')
.description('patches a ROM')
.argument('<rom_file>','the ROM file that will be patched')
.argument('<patch_file>', 'the patch to apply')
.option('-v, --validate-checksum','should validate checksum')
.option('-h1, --add-header','adds a temporary header to the provided ROM for patches that require headered ROMs')
.option('-h0, --remove-header','removes ROM header temporarily for patches that require headerless ROMs')
.option('-f, --fix-checksum','fixes any known ROM header checksum if possible')
.option('-s, --output-suffix','add a (patched) suffix to output ROM file name')
.action(function(romPath, patchPath, options) {
try{
const romFile=new BinFile(romPath);
const patchFile=new BinFile(patchPath);
const patch=RomPatcher.parsePatchFile(patchFile);
if(!patch)
throw new Error('Invalid patch file');
const patchedRom=RomPatcher.applyPatch(romFile, patch, options);
patchedRom.save();
console.log(chalk.green('successfully saved to ' + patchedRom.fileName));
}catch(err){
console.log(chalk.bgRed('error: ' + err.message));
}
});
program
.command('create')
.description('creates a patch based on two ROMs')
.argument('<original_rom_file>', 'the original ROM')
.argument('<modified_rom_file>','the modified ROM')
.option('-f, --format','patch format (allowed values: ips [default], bps, ppf, ups, aps, rup)')
.action(function(originalRomPath, modifiedRomPath, options) {
try{
const originalFile=new BinFile(originalRomPath);
const modifiedFile=new BinFile(modifiedRomPath);
const patch=RomPatcher.createPatch(originalFile, modifiedFile, options.format);
}catch(err){
console.log(chalk.bgBlue('Error: ' + err.message));
}
});
program.parse()