198 lines
7.2 KiB
JavaScript
198 lines
7.2 KiB
JavaScript
"use strict";
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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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var path = require('path');
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var zlib = require('zlib');
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var log = require('npmlog');
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var existsAsync = fs.exists || path.exists;
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var versioning = require('./util/versioning.js');
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var npgVersion = 'unknown';
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try {
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// Read own package.json to get the current node-pre-pyp version.
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var ownPackageJSON = fs.readFileSync(path.join(__dirname, '..', 'package.json'), 'utf8');
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npgVersion = JSON.parse(ownPackageJSON).version;
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} catch (e) {}
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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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// Try getting version info from the currently running npm.
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var envVersionInfo = process.env.npm_config_user_agent ||
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'node ' + process.version;
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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 (v' + npgVersion + ', ' + envVersionInfo + ')'
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}
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};
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if (opts.cafile) {
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try {
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requestOpts.ca = fs.readFileSync(opts.cafile);
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} catch (e) {
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return callback(e);
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}
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} else if (opts.ca) {
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requestOpts.ca = opts.ca;
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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 = require('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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var extractCount = 0;
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var gunzip = zlib.createGunzip();
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var extracter = require('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) & parseInt('0111',8);
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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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return 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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return 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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var err = new Error(res.statusCode + ' status code downloading tarball ' + from);
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err.statusCode = res.statusCode;
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return callback(err);
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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 print_fallback_error(err,opts,package_json) {
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var fallback_message = ' (falling back to source compile with node-gyp)';
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var full_message = "Pre-built binaries not found for " + package_json.name + "@" + package_json.version;
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full_message += " and " + opts.runtime + "@" + (opts.target || process.versions.node) + " (" + opts.node_abi + " ABI)";
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full_message += fallback_message;
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log.error("Tried to download(" + err.statusCode + "): " + opts.hosted_tarball);
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log.error(full_message);
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log.http(err.message);
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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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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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var opts;
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try {
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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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opts.ca = gyp.opts.ca;
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opts.cafile = gyp.opts.cafile;
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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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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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} 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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print_fallback_error(err,opts,package_json);
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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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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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