During the install of Ghost with npm version 3.8.x, the following errors occur:
npm WARN optional Skipping failed optional dependency /chokidar/fsevents: npm WARN notsup Not compatible with your operating system or architecture: fsevents@1.0.8 npm WARN Gonzah@0.0.1 No repository field. npm ERR! Windows_NT 10.0.10586 npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\aosman\\AppData\\Roaming\\npm\\node_modules\\npm\\bin\\npm-cli.js" "install" "ghost" npm ERR! node v4.3.2 npm ERR! npm v3.8.1 npm ERR! path D:\elastc-app\node_modules\ghost npm ERR! code EPERM npm ERR! errno -4048 npm ERR! syscall rename npm ERR! Error: EPERM: operation not permitted, rename 'D:\elastc-app\node_modules\ghost' -> 'D:\elastc-app\node_modules\.ghost.DELETE' npm ERR! at moveAway (C:\Users\aosman\AppData\Roaming\npm\node_modules\npm\lib\install\action\finalize.js:38:5) npm ERR! at destStatted (C:\Users\aosman\AppData\Roaming\npm\node_modules\npm\lib\install\action\finalize.js:27:7) npm ERR! at FSReqWrap.oncomplete (fs.js:82:15) npm ERR! npm ERR! Error: EPERM: operation not permitted, rename 'D:\elastc-app\node_modules\ghost' -> 'D:\elastc-app\node_modules\.ghost.DELETE' npm ERR! at Error (native) npm ERR! { [Error: EPERM: operation not permitted, rename 'D:\elastc-app\node_modules\ghost' -> 'D:\elastc-app\node_modules\.ghost.DELETE'] parent: 'Gonzah' } npm ERR! npm ERR! Please try running this command again as root/Administrator. npm ERR! Please include the following file with any support request: npm ERR! D:\elastc-app\npm-debug.log
After searching for a day to figure this out, it's apparently tied to a known bug in npm v3.8 (https://github.com/npm/npm/issues/10379#issuecomment-163316532).