2020-03-27 23:53:40 -04:00

117 lines
2.8 KiB
JavaScript

'use strict';
const fs = require('fs');
const path = require('path');
const util = require('util');
const child = require('child_process');
const tmp = require('tmp-promise');
const fsx = require('fs-extra');
const config = require('./config');
const readFile = util.promisify(fs.readFile);
function spawn(path, params, ...args) {
console.log(`> ${path} ${params.join(' ')}`);
const proc = child.spawn(path, params, ...args);
proc.promise = new Promise((res, rejraw) => {
function rej(e) {
rejraw(`${path} ${params.join(' ')}: ${e}`);
}
proc.on('error', rej);
proc.on('exit', (code, sig) => {
if(sig) rej('signal: ' + sig);
if(code !== 0) rej('code: ' + code);
res();
});
});
return proc;
}
function luaser(obj) {
if(Array.isArray(obj))
return `{${obj.map(luaser).join(',')}}`;
if(!!obj && typeof obj === 'object' && obj.toString() === '[object Object]')
return `{${Object.keys(obj)
.map(k => ({
k: /^[A-Za-z_][A-Za-z0-9_]*$/.test(k) ? k : JSON.stringify(k),
v: luaser(obj[k])
}))
.filter(x => x.v !== 'nil')
.map(x => x.k + '=' + x.v)}}`;
if(typeof obj === 'number' || typeof obj === 'boolean')
return `${obj}`;
if(typeof obj === 'string' || obj instanceof String)
return JSON.stringify(obj);
if(!obj || typeof obj === 'function')
return 'nil';
return JSON.stringify(obj.toString());
}
module.exports = async () => {
const luahook = `config = ${luaser(config)}\n\n` +
(await readFile('luahook.lua'))
.toString();
const tmpdir = await tmp.dir({
mode: parseInt('700', 8),
prefix: 'cdbrelease-'
});
try {
const git = config.execgit || 'git';
const tar = config.exectar || 'tar';
const lua = config.execlua || 'lua5.1';
const repodir = path.join(tmpdir.path, 'repo');
await spawn(git, [
'clone',
'--bare',
'--depth=1',
'-b', config.branch,
config.fromgit,
repodir
], {
stdio: 'inherit'
})
.promise;
const outdir = path.join(tmpdir.path, 'export');
await fsx.emptyDir(outdir);
const garch = spawn(git, [
'--git-dir=' + repodir,
'archive',
'--format=tar',
config.branch
], {
stdio: ['inherit', 'pipe', 'inherit']
});
const untar = spawn(tar, [
'-C', outdir,
'-xf', '-'
], {
stdio: ['pipe', 'inherit', 'inherit']
});
garch.stdout.pipe(untar.stdin);
await garch.promise;
await untar.promise;
let buff = '';
const hook = spawn(lua, ['-'], {
stdio: ['pipe', 'pipe', 'inherit'],
cwd: outdir
});
hook.stdout.on('data', x => buff += x.toString());
hook.stdin.write(luahook);
hook.stdin.end();
await hook.promise;
const spec = JSON.parse(buff);
config.set('fromgit', spec);
const scanned = require('./modscan')(outdir);
config.set('modscan', scanned);
} finally {
await fsx.emptyDir(tmpdir.path);
await tmpdir.cleanup();
}
};