Rename arg to avoid confusion

lib/net.js

@@ -89,12 +89,12 @@ async function uploadFile (localPath, remotePath, uploadOptions = {}) {
 /**
  * Downloads the given file via HTTP(S)
  *
- * @param {string} url - The remote url
+ * @param {string} remoteUrl - The remote url
  * @param {string} dstPath - The local path to download the file to
- * @param {DownloadOptions} downloadOptions
+ * @param {?DownloadOptions} downloadOptions
  * @throws {Error} If download operation fails
  */
-async function downloadFile (url, dstPath, downloadOptions = {}) {
+async function downloadFile (remoteUrl, dstPath, downloadOptions = {}) {
   const {
     isMetered = true,
     auth,
@@ -103,7 +103,7 @@ async function downloadFile (url, dstPath, downloadOptions = {}) {
   } = downloadOptions;
 
   const requestOpts = {
-    url,
+    url: remoteUrl,
     responseType: 'stream',
     timeout,
   };
@@ -130,15 +130,15 @@ async function downloadFile (url, dstPath, downloadOptions = {}) {
       });
     });
   } catch (err) {
-    throw new Error(`Cannot download the file from ${url}: ${err.message}`);
+    throw new Error(`Cannot download the file from ${remoteUrl}: ${err.message}`);
   }
   if (!isMetered) {
     return;
   }
 
   const secondsElapsed = timer.getDuration().asSeconds;
   const {size} = await fs.stat(dstPath);
-  log.debug(`${url} (${toReadableSizeString(size)}) ` +
+  log.debug(`${remoteUrl} (${toReadableSizeString(size)}) ` +
     `has been downloaded to '${dstPath}' in ${secondsElapsed.toFixed(3)}s`);
   if (secondsElapsed >= 2) {
     const bytesPerSec = Math.floor(size / secondsElapsed);