forked from mirrors/nixpkgs
91 lines
2.6 KiB
JavaScript
Executable file
91 lines
2.6 KiB
JavaScript
Executable file
#!/usr/bin/env node
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const fs = require('fs')
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const lockfile = require('@yarnpkg/lockfile')
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const { docopt } = require('docopt')
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const deepEqual = require('deep-equal')
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const R = require('ramda')
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const fixPkgAddMissingSha1 = require('../lib/fixPkgAddMissingSha1')
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const mapObjIndexedReturnArray = require('../lib/mapObjIndexedReturnArray')
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const generateNix = require('../lib/generateNix')
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const USAGE = `
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Usage: yarn2nix [options]
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Options:
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-h --help Shows this help.
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--no-nix Hide the nix output
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--no-patch Don't patch the lockfile if hashes are missing
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--lockfile=FILE Specify path to the lockfile [default: ./yarn.lock].
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--builtin-fetchgit Use builtin fetchGit for git dependencies to support on-the-fly generation of yarn.nix without an internet connection
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`
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const options = docopt(USAGE)
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const data = fs.readFileSync(options['--lockfile'], 'utf8')
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// json example:
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// {
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// type:'success',
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// object:{
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// 'abbrev@1':{
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// version:'1.0.9',
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// resolved:'https://registry.yarnpkg.com/abbrev/-/abbrev-1.0.9.tgz#91b4792588a7738c25f35dd6f63752a2f8776135'
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// },
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// 'shell-quote@git+https://github.com/srghma/node-shell-quote.git#without_unlicenced_jsonify':{
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// version:'1.6.0',
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// resolved:'git+https://github.com/srghma/node-shell-quote.git#0aa381896e0cd7409ead15fd444f225807a61e0a'
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// },
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// '@graphile/plugin-supporter@git+https://1234user:1234pass@git.graphile.com/git/users/1234user/postgraphile-supporter.git':{
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// version:'1.6.0',
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// resolved:'git+https://1234user:1234pass@git.graphile.com/git/users/1234user/postgraphile-supporter.git#1234commit'
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// },
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// }
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// }
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const json = lockfile.parse(data)
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if (json.type !== 'success') {
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throw new Error('yarn.lock parse error')
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}
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// Check for missing hashes in the yarn.lock and patch if necessary
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const pkgs = R.pipe(
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mapObjIndexedReturnArray((value, key) => ({
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...value,
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nameWithVersion: key,
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})),
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R.uniqBy(R.prop('resolved')),
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)(json.object)
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const fixedPkgsPromises = R.map(fixPkgAddMissingSha1, pkgs)
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;(async () => {
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const fixedPkgs = await Promise.all(fixedPkgsPromises)
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const origJson = lockfile.parse(data)
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if (!deepEqual(origJson, json)) {
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console.error('found changes in the lockfile', options['--lockfile'])
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if (options['--no-patch']) {
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console.error('...aborting')
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process.exit(1)
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}
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fs.writeFileSync(options['--lockfile'], lockfile.stringify(json.object))
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}
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if (!options['--no-nix']) {
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// print to stdout
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console.log(generateNix(fixedPkgs, options['--builtin-fetchgit']))
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}
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})().catch(error => {
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console.error(error)
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process.exit(1)
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})
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