Merge pull request #255 from jpiepkow/master

added force option for electron-download inside install.js

npm/README.md

@@ -59,6 +59,8 @@ If you want to change the architecture that is downloaded (e.g., `ia32` on an
 npm install --arch=ia32 electron
 ```
 
+If you need to force a re-download of the asset and the SHASUM file set the `force_no_cache` enviroment variable to true.
+
 ## About
 
 Works on Mac, Windows and Linux OSes that Electron supports (e.g. Electron

npm/install.js

@@ -29,6 +29,7 @@ download({
   platform: process.env.npm_config_platform,
   arch: process.env.npm_config_arch,
   strictSSL: process.env.npm_config_strict_ssl === 'true',
+  force: process.env.force_no_cache === 'true',
   quiet: ['info', 'verbose', 'silly', 'http'].indexOf(process.env.npm_config_loglevel) === -1
 }, extractFile)