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index.js
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index.js
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var proc = require('child_process')
var execspawn = require('execspawn')
var os = require('os')
var path = require('path')
var fs = require('fs')
var abi = require('node-abi')
var mkdirp = require('mkdirp')
var xtend = require('xtend/immutable')
var tar = require('tar-fs')
var pump = require('pump')
module.exports = prebuildify
function prebuildify (opts, cb) {
opts = xtend({
arch: process.env.ARCH || os.arch(),
targetPlatform: process.env.TARGET_PLATFORM || os.platform(),
cwd: '.',
targets: []
}, opts)
if (!opts.targets.length) {
return cb(new Error('You must specify at least one target using --target=runtime@version'))
}
opts = xtend(opts, {
targets: opts.targets.slice(),
env: xtend(process.env, {
ARCH: opts.arch,
PREBUILD_ARCH: opts.arch,
PREBUILD_PLATFORM: opts.targetPlatform
}),
builds: path.join(opts.cwd, 'prebuilds', opts.targetPlatform + '-' + opts.arch),
output: path.join(opts.cwd, 'build', opts.debug ? 'Debug' : 'Release')
})
if (opts.arch === 'ia32' && opts.targetPlatform === 'linux' && opts.arch !== os.arch()) {
opts.env.CFLAGS = '-m32'
}
mkdirp(opts.builds, function (err) {
if (err) return cb(err)
loop(opts, function (err) {
if (err) return cb(err)
if (opts.artifacts) return copyRecursive(opts.artifacts, opts.builds, cb)
return cb()
})
})
}
function loop (opts, cb) {
var next = opts.targets.shift()
if (!next) return cb()
run(opts.preinstall, opts.cmd, opts.env, function (err) {
if (err) return cb(err)
build(next.target, next.runtime, opts, function (err, filename) {
if (err) return cb(err)
run(opts.postinstall, opts.cmd, opts.env, function (err) {
if (err) return cb(err)
copySharedLibs(opts.output, opts.builds, opts, function (err) {
if (err) return cb(err)
var v = opts.napi ? 'napi' : abi.getAbi(next.target, next.runtime)
var name = next.runtime + '-' + v + '.node'
var dest = path.join(opts.builds, name)
fs.rename(filename, dest, function (err) {
if (err) return cb(err)
loop(opts, cb)
})
})
})
})
})
}
function copySharedLibs (builds, folder, opts, cb) {
fs.readdir(builds, function (err, files) {
if (err) return cb()
var libs = files.filter(function (name) {
return /\.dylib$/.test(name) || /\.so(\.\d+)?$/.test(name) || /\.dll$/.test(name)
})
loop()
function loop (err) {
if (err) return cb(err)
var next = libs.shift()
if (!next) return cb()
strip(path.join(builds, next), opts, function (err) {
if (err) return cb(err)
copy(path.join(builds, next), path.join(folder, next), loop)
})
}
})
}
function run (cmd, cwd, env, cb) {
if (!cmd) return cb()
var shell = os.platform() === 'android' ? 'sh' : undefined
var child = execspawn(cmd, {cwd: cwd, env: env, stdio: 'inherit', shell: shell})
child.on('exit', function (code) {
if (code) return cb(spawnError(cmd, code))
cb()
})
}
function build (target, runtime, opts, cb) {
var args = [
'rebuild',
'--target=' + target
]
if (opts.arch) {
args.push('--target_arch=' + opts.arch)
}
if (runtime === 'electron') {
args.push('--runtime=electron')
args.push('--dist-url=https://atom.io/download/electron')
}
if (opts.debug) {
args.push('--debug')
} else {
args.push('--release')
}
var nodeGypBin = os.platform() === 'win32' ? 'node-gyp.cmd' : 'node-gyp'
if (process.env.PREBUILD_NODE_GYP) nodeGypBin = process.env.PREBUILD_NODE_GYP
var child = proc.spawn(nodeGypBin, args, {
cwd: opts.cwd,
env: opts.env,
stdio: opts.quiet ? 'ignore' : 'inherit'
})
child.on('exit', function (code) {
if (code) return cb(spawnError('node-gyp', code))
findBuild(opts.output, function (err, output) {
if (err) return cb(err)
strip(output, opts, function (err) {
if (err) return cb(err)
cb(null, output)
})
})
})
}
function findBuild (dir, cb) {
fs.readdir(dir, function (err, files) {
if (err) return cb(err)
files = files.filter(function (name) {
return /\.node$/i.test(name)
})
if (!files.length) return cb(new Error('Could not find build'))
cb(null, path.join(dir, files[0]))
})
}
function strip (file, opts, cb) {
var platform = os.platform()
if (!opts.strip || (platform !== 'darwin' && platform !== 'linux')) return cb()
var stripBin = process.env.STRIP || 'strip'
var args = platform === 'darwin' ? [file, '-Sx'] : [file, '--strip-all']
var child = proc.spawn(stripBin, args, {stdio: 'ignore'})
child.on('exit', function (code) {
if (code) return cb(spawnError('strip', code))
cb()
})
}
function spawnError (name, code) {
return new Error(name + ' exited with ' + code)
}
function copy (a, b, cb) {
fs.stat(a, function (err, st) {
if (err) return cb(err)
fs.readFile(a, function (err, buf) {
if (err) return cb(err)
fs.writeFile(b, buf, function (err) {
if (err) return cb(err)
fs.chmod(b, st.mode, cb)
})
})
})
}
function copyRecursive (src, dst, cb) {
pump(tar.pack(src), tar.extract(dst), cb)
}