| 'use strict' |
| module.exports = (mode, isDir, portable) => { |
| mode &= 0o7777 |
| |
| // in portable mode, use the minimum reasonable umask |
| // if this system creates files with 0o664 by default |
| // (as some linux distros do), then we'll write the |
| // archive with 0o644 instead. Also, don't ever create |
| // a file that is not readable/writable by the owner. |
| if (portable) |
| mode = (mode | 0o600) & ~0o22 |
| |
| // if dirs are readable, then they should be listable |
| if (isDir) { |
| if (mode & 0o400) |
| mode |= 0o100 |
| if (mode & 0o40) |
| mode |= 0o10 |
| if (mode & 0o4) |
| mode |= 0o1 |
| } |
| return mode |
| } |
