electron-starter/build/download-sdk.js
2019-02-03 13:41:33 -05:00

89 lines
3.2 KiB
JavaScript

const path = require("path");
const fs = require("fs");
const packageJSON = require("../package.json");
const fetch = require("node-fetch");
const decompress = require("decompress");
const os = require("os");
const del = require("del");
// Downloads and extracts the LBRY SDK
const downloadSDK = targetPlatform =>
new Promise((resolve, reject) => {
const sdkURLTemplate = packageJSON.lbrySettings.lbrynetSDKUrlTemplate;
const sdkVersion = packageJSON.lbrySettings.lbrynetSDKVersion;
const sdkDir = path.join(__dirname, "..", packageJSON.lbrySettings.lbrynetSDKDir);
let sdkFileName = packageJSON.lbrySettings.lbrynetSDKFileName;
let currentPlatform = os.platform();
var sdkPlatform = process.env.TARGET || targetPlatform || currentPlatform;
if (sdkPlatform === "mac" || sdkPlatform === "darwin") sdkPlatform = "mac";
if (sdkPlatform === "win32" || sdkPlatform === "windows") {
sdkPlatform = "windows";
sdkFileName = sdkFileName + ".exe";
}
const sdkFilePath = path.join(sdkDir, sdkFileName);
const sdkVersionPath = path.join(__dirname, "sdk.ver");
const tmpZipPath = path.join(__dirname, "..", "dist", "sdk.zip");
const sdkURL = sdkURLTemplate.replace(/SDKVER/g, sdkVersion).replace(/OSNAME/g, sdkPlatform);
// If an sdk was perviously downloaded and sdk.ver exists, check to see if it matches the current sdk version
const hasSDKDownloaded = fs.existsSync(sdkFilePath);
const hasSDKVersion = fs.existsSync(sdkVersionPath);
let downloadedSDKVersion;
if (hasSDKVersion) {
downloadedSDKVersion = fs.readFileSync(sdkVersionPath, "utf8");
}
if (hasSDKDownloaded && hasSDKVersion && downloadedSDKVersion === sdkVersion) {
console.log("\x1b[34minfo\x1b[0m SDK already downloaded");
resolve("Done");
return;
} else {
console.log("\x1b[34minfo\x1b[0m Downloading SDK...");
fetch(sdkURL, {
method: "GET",
headers: {
"Content-Type": "application/zip"
}
})
.then(response => response.buffer())
.then(
result =>
new Promise((newResolve, newReject) => {
const distPath = path.join(__dirname, "..", "dist");
const hasDistFolder = fs.existsSync(distPath);
if (!hasDistFolder) {
fs.mkdirSync(distPath);
}
fs.writeFile(tmpZipPath, result, error => {
if (error) return newReject(error);
return newResolve();
});
})
)
.then(() => del(`${sdkFilePath}*`))
.then(() =>
decompress(tmpZipPath, sdkDir, {
filter: file => path.basename(file.path) === sdkFileName
})
)
.then(() => {
console.log("\x1b[32msuccess\x1b[0m SDK downloaded!");
if (hasSDKVersion) {
del(sdkVersionPath);
}
fs.writeFileSync(sdkVersionPath, sdkVersion, "utf8");
resolve("Done");
})
.catch(error => {
console.error(`\x1b[31merror\x1b[0m SDK download failed due to: \x1b[35m${error}\x1b[0m`);
reject(error);
});
}
});
downloadSDK();