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import { readFile, readdir } from "fs/promises";
import { join } from "path";
import { exit } from "process";
import { Settings } from "./types";
import buildApp from "./app";
import { ServerCache } from "./cache";
async function main() {
const settings = JSON.parse(await readFile(join(__dirname, "/../../../settings.json"), { encoding: "utf-8" })) as Settings;
const settings_keys = Object.keys(settings);
const mandatory_settings = [ "host", "port", "title", "about", "git_dir" ];
// Get missing mandatory settings
const settings_not_included = mandatory_settings.filter(x => !settings_keys.includes(x));
// Error out and exit if there's any missing settings
if(settings_not_included.length !== 0) {
console.log(`Error: settings file is missing ${(settings_not_included.length > 1) ? "keys" : "key"}:`);
console.log(settings_not_included.join(", "));
exit(1);
}
// Make sure that the git directory specified in the settings actually exists
await readdir(settings.git_dir).catch(() => {
console.error(`Error: Git directory ${settings.git_dir} doesn't exist!`);
exit(1);
});
const cache = (settings.cache && settings.cache.enabled === true) || settings.cache === undefined || settings.cache.enabled === undefined
? new ServerCache(settings.cache)
: null;
if(cache) {
await cache.init(settings.git_dir);
if(!cache.ready) {
console.error("Error: cache failed to initialize!");
return 1;
}
}
const app = await buildApp(settings, cache);
app.listen(settings.port, settings.host, (err: Error, addr: string) => {
if(err) {
console.error(err);
exit(1);
}
console.log(`Githermit is running on ${addr}`);
});
}
main();
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