		@@ -7,3 +7,3 @@ #!/usr/bin/env node
		path = require("path"),
		unzip = require('unzipper'),
		AdmZip = require('adm-zip'),
		https = require('https'),
		@@ -13,10 +13,26 @@ packageJsonPath = path.join(__dirname, "..", "package.json"),

		var extractZipArchive = function(buffer) {
		return new Promise(function(resolve, reject) {
		try {
		const zip = new AdmZip(buffer);
		zip.extractAllTo(path.normalize(binPath), true, true);
		resolve();
		} catch (err) {
		reject(new Error(`Failed to extract archive from buffer: ${err.message}`));
		}
		})
		}

		var downloadFollowingRedirect = function(url, resolve, reject) {
		https.get(url, { headers: { 'accept-encoding': 'gzip,deflate' } }, res => {
		if (res.statusCode >= 300 && res.statusCode < 400) {
		downloadFollowingRedirect(res.headers.location, reject, resolve);
		} else if (res.statusCode > 400) {
		console.error(`Unable to download '${url}' : ${res.statusCode}-'${res.statusMessage}'`);
		downloadFollowingRedirect(res.headers.location, resolve, reject);
		} else if (res.statusCode >= 400) {
		reject(new Error(`Unable to download '${url}' : ${res.statusCode}-'${res.statusMessage}'`));
		} else {
		res.pipe(unzip.Extract({ path: path.normalize(binPath) })).on('error', reject).on('end', resolve);
		const chunks = [];
		res
		.on('data', chunk => chunks.push(chunk))
		.on('end', () => resolve(Buffer.concat(chunks)))
		.on('error', reject);
		}
		@@ -37,2 +53,3 @@ });
		})
		.then(extractZipArchive)
		};
		@@ -39,0 +56,0 @@

src/install.js

		@@ -28,3 +28,8 @@ #!/usr/bin/env node
		}
		resolve(JSON.parse(data).version);
		const pkg = JSON.parse(data);
		if (pkg.version) {
		resolve(pkg.version);
		} else {
		reject(new Error("Unable to find version in package.json."));
		}
		})
		@@ -31,0 +36,0 @@ });

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