Commit e6f24aead1fb2f4f11eccbdecbd008ab8fbe30af
Make bootstrap.pack deterministic
cel authored on 9/25/2017, 10:51:29 PMHenry committed on 11/30/2017, 9:46:32 PM
Parent: 53a41420bb71793b685b19ba128638d8bfb59b95
Files changed
| plugins/bootstrap.js | changed |
| plugins/bootstrap.js | ||
|---|---|---|
| @@ -1,10 +1,40 @@ | ||
| 1 … | +var fs = require('fs') | |
| 1 | 2 … | var zlib = require('zlib') |
| 2 | 3 … | var pull = require('pull-stream') |
| 3 | 4 … | var tar = require('tar-fs') |
| 4 | 5 … | var toPull = require('stream-to-pull-stream') |
| 5 | 6 … | var path = require('path') |
| 7 … | +var pkg = require('../package.json') | |
| 8 … | +var Readable = require('stream').Readable | |
| 6 | 9 … | |
| 10 … | +var normalizedPkgJsonBuf = Buffer.from(JSON.stringify({ | |
| 11 … | + name: pkg.name, | |
| 12 … | + description: pkg.description, | |
| 13 … | + version: pkg.version, | |
| 14 … | + homepage: pkg.homepage, | |
| 15 … | + repository: pkg.repository, | |
| 16 … | + dependencies: pkg.dependencies, | |
| 17 … | + devDependencies: pkg.devDependencies, | |
| 18 … | + bin: pkg.bin, | |
| 19 … | + scripts: pkg.scripts, | |
| 20 … | + author: typeof pkg.author === 'string' ? pkg.author : | |
| 21 … | + pkg.author.name + ' <' + pkg.author.email + '>', | |
| 22 … | + license: pkg.license, | |
| 23 … | + files: pkg.files | |
| 24 … | +}, 0, 2) + '\n') | |
| 25 … | + | |
| 26 … | +function streamOnce(data) { | |
| 27 … | + var done | |
| 28 … | + return new Readable({ | |
| 29 … | + read: function (size) { | |
| 30 … | + if (done) return this.push(null) | |
| 31 … | + done = true | |
| 32 … | + this.push(data) | |
| 33 … | + } | |
| 34 … | + }) | |
| 35 … | +} | |
| 36 … | + | |
| 7 | 37 … | exports.name = 'bootstrap' |
| 8 | 38 … | exports.version = '1.0.0' |
| 9 | 39 … | exports.manifest = { |
| 10 | 40 … | getPackageLock: 'sync', |
| @@ -15,17 +45,32 @@ | ||
| 15 | 45 … | getPackageLock: function () { |
| 16 | 46 … | return require('../package-lock.json') |
| 17 | 47 … | }, |
| 18 | 48 … | pack: function () { |
| 19 | - var pkg = require('../package.json') | |
| 20 | 49 … | var files = pkg.files |
| 21 | 50 … | if (!files) throw new Error('package.json missing \'files\' property') |
| 22 | 51 … | var gzip = zlib.createGzip() |
| 23 | 52 … | tar.pack(path.join(__dirname, '../'), { |
| 24 | 53 … | entries: files.slice(), |
| 25 | 54 … | map: function (header) { |
| 26 | 55 … | header.name = 'package/' + header.name |
| 56 … | + // deterministicify | |
| 57 … | + header.uid = header.gid = 0 | |
| 58 … | + header.uname = header.gname = null | |
| 59 … | + header.mtime = new Date(0) | |
| 60 … | + if (header.name === 'package/package.json') { | |
| 61 … | + header.size = normalizedPkgJsonBuf.length | |
| 62 … | + } | |
| 27 | 63 … | return header |
| 64 … | + }, | |
| 65 … | + mapStream: function (stream, header) { | |
| 66 … | + if (header.name === 'package/package.json') { | |
| 67 … | + // npm changes package.json during install. | |
| 68 … | + // change it back, to make things more deterministic | |
| 69 … | + stream.resume() | |
| 70 … | + return streamOnce(normalizedPkgJsonBuf) | |
| 71 … | + } | |
| 72 … | + return stream | |
| 28 | 73 … | } |
| 29 | 74 … | }).pipe(gzip) |
| 30 | 75 … | return toPull.source(gzip) |
| 31 | 76 … | } |
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