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