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const isPackageBin = require('./is-package-bin.js')
const tarCreateOptions = manifest => ({
cwd: manifest._resolved,
prefix: 'package/',
portable: true,
gzip: {
// forcing the level to 9 seems to avoid some
// platform specific optimizations that cause
// integrity mismatch errors due to differing
// end results after compression
level: 9
},
// ensure that package bins are always executable
// Note that npm-packlist is already filtering out
// anything that is not a regular file, ignored by
// .npmignore or package.json "files", etc.
filter: (path, stat) => {
if (isPackageBin(manifest, path))
stat.mode |= 0o111
return true
},
// Provide a specific date in the 1980s for the benefit of zip,
// which is confounded by files dated at the Unix epoch 0.
mtime: new Date('1985-10-26T08:15:00.000Z'),
})
module.exports = tarCreateOptions
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