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metadata.js
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metadata.js
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const fs = require('fs');
const args = {
file: undefined,
os: undefined,
arch: {
required: false,
value: undefined
},
version: undefined,
commit: {
required: false,
value: undefined
},
link: undefined,
minOsVersion: {
required: false,
value: undefined
}
};
process.argv = process.argv.slice(2);
let argName;
process.argv.forEach((arg) => {
if (arg.startsWith('--')) {
argName = arg.slice(2);
} else if (argName !== undefined) {
if (typeof args[argName] == 'object' && args[argName]) {
args[argName].value = arg;
} else {
args[argName] = arg;
}
argName = undefined;
} else {
args.file = arg;
}
})
Object.keys(args).forEach((arg) => {
const required = (args[arg].required === true);
const defined = (args[arg].value !== undefined);
if (args[arg] === undefined || required && !defined) {
console.error(`Required argument '${arg}' is missing`);
process.exit(1);
}
})
let data = {};
try {
const exists = fs.existsSync(args.file);
if (exists) {
const isDir = fs.statSync(args.file).isDirectory();
if (!isDir) {
const content = fs.readFileSync(args.file);
data = JSON.parse(content);
} else {
throw new Error('Provided file is a dir');
}
}
} catch (e) {
console.error(`Failed to read metadata from the file. ${e.message}`);
process.exit(2);
}
if (data[args.os] === undefined) {
data[args.os] = {};
}
const date = Math.floor(Date.now() / 1000);
let info = {
version: args.version,
link: args.link,
date
};
if (args.minOsVersion.value !== undefined) {
info.minOsVersion = args.minOsVersion.value;
}
if (args.commit.value !== undefined) {
info.commit = args.commit.value;
}
if (args.arch.value !== undefined) {
data[args.os][args.arch.value] = info;
} else {
data[args.os] = info;
}
try {
const content = JSON.stringify(data);
fs.writeFileSync(args.file, content, {
flush: true
});
} catch (e) {
console.error(`Failed to write data into the file. ${e.message}`);
process.exitCode = 3;
}