nixos-configs/apps/update/app.ts

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import { spawnSync } from 'node:child_process';
import { readFileSync } from 'node:fs';
/* Constants */
const FLAKE = process.env.FLAKE;
/* Parse Args */
const args = {} as Record<string, unknown>;
let lastFlag: string | null = null;
for (let i = 2; i < process.argv.length; ++i) {
const arg = process.argv[i];
if (arg.toString().startsWith('-')) {
lastFlag = arg.toString().replace(/^-{1,2}/, '');
args[lastFlag] = true;
}
else if (lastFlag) {
args[lastFlag] = arg;
lastFlag = null;
}
else {
console.error(`Could not parse args: ${arg.toString()}`);
}
}
/* Functions */
const updateFirefoxAddons = () => {
console.log('Updating firefox addons using mozilla-addons-to-nix');
const DIR = `${FLAKE}/pkgs/firefox-addons`;
const GENERATED_FILE = `${DIR}/generated-firefox-addons.nix`;
const SLUGS = `${DIR}/addons.json`;
const nameMap = Object.fromEntries([...JSON.parse(readFileSync(SLUGS, 'utf-8'))]
.map((addon) => [addon.slug, addon.pname || addon.slug]));
const nixExpr = `'
x: let
inherit (builtins) attrValues filter hasAttr isAttrs map;
in
map (d: d.name) (filter (y:
isAttrs y &&
hasAttr "type" y &&
y.type == "derivation") (attrValues x))
'`;
const OLD_VERS = Object.fromEntries([...JSON.parse(spawnSync('nix', [
'eval',
'.#legacyPackages.x86_64-linux.firefoxAddons',
'--apply',
nixExpr,
'--json',
], { shell: true }).stdout.toString())]
.map((p) => {
const pname = p.replace(/-[0-9].*$/, '');
return [pname, p.replace(`${pname}-`, '')];
})
.filter((pinfo) => pinfo[0] !== 'frankerfacez'));
const NEW_VERS = Object.fromEntries(spawnSync(
'mozilla-addons-to-nix',
[SLUGS, GENERATED_FILE],
{ shell: true },
).stdout
.toString()
.split('\n')
.map((p) => {
const pinfo = p.replace('Fetched ', '').split(' ');
return [nameMap[pinfo[0]], pinfo[2]];
}));
return Object.keys(OLD_VERS)
.sort()
.filter((pname) => OLD_VERS[pname] !== NEW_VERS[pname])
.map((pname) => `${pname}: ${OLD_VERS[pname]} -> ${NEW_VERS[pname]}`)
.join('\n');
};
/* Exec functions based on args */
if (args['f'] || args['firefox']) {
console.log(updateFirefoxAddons());
}