npm ERR! Darwin 15.6.0
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install" "--global" "gulp-cli"
npm ERR! node v6.11.4
npm ERR! npm  v3.10.10
npm ERR! path /usr/local/share/man/man1/gulp.1
npm ERR! code EEXIST

npm ERR! Refusing to delete /usr/local/share/man/man1/gulp.1: ../../../lib/node_modules/gulp/gulp.1 symlink target is not controlled by npm /usr/local
npm ERR! File exists: /usr/local/share/man/man1/gulp.1
npm ERR! Move it away, and try again.

npm ERR! Please include the following file with any support request:
npm ERR!     /usr/local/bin/npm-debug.log
npm ERR! code 1