204 lines
8.4 KiB
JavaScript
204 lines
8.4 KiB
JavaScript
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module.exports = exports = install
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exports.usage = 'Attempts to install pre-built binary for module'
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var fs = require('fs')
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, tar = require('tar')
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, path = require('path')
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, zlib = require('zlib')
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, log = require('npmlog')
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, request = require('request')
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, existsAsync = fs.exists || path.exists
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, versioning = require('./util/versioning.js')
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, compile = require('./util/compile.js')
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, testbinary = require('./testbinary.js')
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, clean = require('./clean.js')
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function download(uri,opts,callback) {
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log.http('GET', uri)
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var req = null
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var requestOpts = {
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uri: uri.replace('+','%2B')
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, headers: {
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'User-Agent': 'node-pre-gyp (node ' + process.version + ')'
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}
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}
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var proxyUrl = opts.proxy
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|| process.env.http_proxy
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|| process.env.HTTP_PROXY
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|| process.env.npm_config_proxy
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if (proxyUrl) {
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if (/^https?:\/\//i.test(proxyUrl)) {
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log.verbose('download', 'using proxy url: "%s"', proxyUrl)
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requestOpts.proxy = proxyUrl
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} else {
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log.warn('download', 'ignoring invalid "proxy" config setting: "%s"', proxyUrl)
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}
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}
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try {
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req = request(requestOpts)
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} catch (e) {
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return callback(e)
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}
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if (req) {
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req.on('response', function (res) {
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log.http(res.statusCode, uri)
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})
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}
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return callback(null,req);
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}
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function place_binary(from,to,opts,callback) {
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download(from,opts,function(err,req) {
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if (err) return callback(err);
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if (!req) return callback(new Error("empty req"));
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var badDownload = false
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, extractCount = 0
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, gunzip = zlib.createGunzip()
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, extracter = tar.Extract({ path: to, strip: 1});
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function afterTarball(err) {
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if (err) return callback(err);
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if (badDownload) return callback(new Error("bad download"));
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if (extractCount === 0) {
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return callback(new Error('There was a fatal problem while downloading/extracting the tarball'))
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}
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log.info('tarball', 'done parsing tarball')
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callback();
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}
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function filter_func(entry) {
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// ensure directories are +x
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// https://github.com/mapnik/node-mapnik/issues/262
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entry.props.mode |= (entry.props.mode >>> 2) & 0111;
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log.info('install','unpacking ' + entry.path);
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extractCount++
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}
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gunzip.on('error', callback)
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extracter.on('entry', filter_func)
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extracter.on('error', callback)
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extracter.on('end', afterTarball)
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req.on('error', function (err) {
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badDownload = true
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callback(err)
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})
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req.on('close', function () {
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if (extractCount === 0) {
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callback(new Error('Connection closed while downloading tarball file'))
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}
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})
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req.on('response', function (res) {
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if (res.statusCode !== 200) {
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badDownload = true
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if (res.statusCode == 404) {
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return callback(new Error('Pre-built binary not available for your system, looked for ' + from));
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} else {
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return callback(new Error(res.statusCode + ' status code downloading tarball ' + from));
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}
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}
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// start unzipping and untaring
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req.pipe(gunzip).pipe(extracter)
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})
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});
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}
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function do_build(gyp,argv,callback) {
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gyp.todo.push( { name: 'build', args: ['rebuild'] } );
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process.nextTick(callback);
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}
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function install(gyp, argv, callback) {
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var package_json = JSON.parse(fs.readFileSync('./package.json'));
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var source_build = gyp.opts['build-from-source'] || gyp.opts['build_from_source'];
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var update_binary = gyp.opts['update-binary'] || gyp.opts['update_binary'];
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var should_do_source_build = source_build === package_json.name || (source_build === true || source_build === 'true');
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var no_rollback = gyp.opts.hasOwnProperty('rollback') && gyp.opts['rollback'] === false;
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if (should_do_source_build) {
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log.info('build','requesting source compile');
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return do_build(gyp,argv,callback);
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} else {
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var fallback_to_build = gyp.opts['fallback-to-build'] || gyp.opts['fallback_to_build'];
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var should_do_fallback_build = fallback_to_build === package_json.name || (fallback_to_build === true || fallback_to_build === 'true');
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// but allow override from npm
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if (process.env.npm_config_argv) {
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var cooked = JSON.parse(process.env.npm_config_argv).cooked;
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var match = cooked.indexOf("--fallback-to-build");
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if (match > -1 && cooked.length > match && cooked[match+1] == "false") {
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should_do_fallback_build = false;
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log.info('install','Build fallback disabled via npm flag: --fallback-to-build=false');
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}
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}
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try {
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var opts = versioning.evaluate(package_json, gyp.opts);
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} catch (err) {
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return callback(err);
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}
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var from = opts.hosted_tarball;
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var to = opts.module_path;
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var binary_module = path.join(to,opts.module_name + '.node');
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if (existsAsync(binary_module,function(found) {
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if (found && !update_binary) {
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testbinary(gyp, argv, function(err) {
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if (err) {
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console.error('['+package_json.name+'] ' + err.message);
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log.error("Testing local pre-built binary failed, attempting to re-download");
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place_binary(from,to,opts,function(err) {
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if (err) {
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if (should_do_fallback_build) {
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log.http(err.message + ' (falling back to source compile with node-gyp)');
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return do_build(gyp,argv,callback);
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} else {
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return callback(err);
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}
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} else {
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console.log('['+package_json.name+'] Success: "' + binary_module + '" is reinstalled via remote');
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return callback();
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}
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});
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} else {
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console.log('['+package_json.name+'] Success: "' + binary_module + '" already installed');
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console.log('Pass --update-binary to reinstall or --build-from-source to recompile');
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return callback();
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}
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});
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} else {
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if (!update_binary) log.info('check','checked for "' + binary_module + '" (not found)')
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place_binary(from,to,opts,function(err) {
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if (err && should_do_fallback_build) {
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log.http(err.message + ' (falling back to source compile with node-gyp)');
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return do_build(gyp,argv,callback);
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} else if (err) {
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return callback(err);
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} else {
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testbinary(gyp, argv, function(err) {
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if (err) {
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if (no_rollback) {
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return callback(err);
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}
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gyp.opts.silent_clean = true;
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clean(gyp, argv, function(error) {
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if (error) console.log(error);
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if (should_do_fallback_build) {
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console.error('['+package_json.name+'] ' + err.message);
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log.error("Testing pre-built binary failed, attempting to source compile");
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return do_build(gyp,argv,callback);
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} else {
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return callback(err);
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}
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});
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} else {
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console.log('['+package_json.name+'] Success: "' + binary_module + '" is installed via remote');
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return callback();
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}
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});
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};
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});
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}
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}));
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}
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};
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