104 lines
3.6 KiB
JavaScript
104 lines
3.6 KiB
JavaScript
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"use strict";
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module.exports = exports = handle_gyp_opts;
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var fs = require('fs');
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var versioning = require('./versioning.js');
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var napi = require('./napi.js');
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/*
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Here we gather node-pre-gyp generated options (from versioning) and pass them along to node-gyp.
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We massage the args and options slightly to account for differences in what commands mean between
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node-pre-gyp and node-gyp (e.g. see the difference between "build" and "rebuild" below)
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Keep in mind: the values inside `argv` and `gyp.opts` below are different depending on whether
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node-pre-gyp is called directory, or if it is called in a `run-script` phase of npm.
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We also try to preserve any command line options that might have been passed to npm or node-pre-gyp.
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But this is fairly difficult without passing way to much through. For example `gyp.opts` contains all
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the process.env and npm pushes a lot of variables into process.env which node-pre-gyp inherits. So we have
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to be very selective about what we pass through.
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For example:
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`npm install --build-from-source` will give:
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argv == [ 'rebuild' ]
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gyp.opts.argv == { remain: [ 'install' ],
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cooked: [ 'install', '--fallback-to-build' ],
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original: [ 'install', '--fallback-to-build' ] }
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`./bin/node-pre-gyp build` will give:
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argv == []
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gyp.opts.argv == { remain: [ 'build' ],
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cooked: [ 'build' ],
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original: [ '-C', 'test/app1', 'build' ] }
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*/
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// select set of node-pre-gyp versioning info
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// to share with node-gyp
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var share_with_node_gyp = [
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'module',
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'module_name',
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'module_path',
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'napi_version',
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'node_abi_napi',
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'napi_build_version',
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'node_napi_label'
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];
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function handle_gyp_opts(gyp, argv, callback) {
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// Collect node-pre-gyp specific variables to pass to node-gyp
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var node_pre_gyp_options = [];
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// generate custom node-pre-gyp versioning info
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var napi_build_version = napi.get_napi_build_version_from_command_args(argv);
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var opts = versioning.evaluate(JSON.parse(fs.readFileSync('./package.json')), gyp.opts, napi_build_version);
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share_with_node_gyp.forEach(function(key) {
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var val = opts[key];
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if (val) {
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node_pre_gyp_options.push('--' + key + '=' + val);
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} else if (key === 'napi_build_version') {
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node_pre_gyp_options.push('--' + key + '=0');
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} else {
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if (key !== 'napi_version' && key !== 'node_abi_napi')
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return callback(new Error("Option " + key + " required but not found by node-pre-gyp"));
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}
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});
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// Collect options that follow the special -- which disables nopt parsing
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var unparsed_options = [];
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var double_hyphen_found = false;
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gyp.opts.argv.original.forEach(function(opt) {
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if (double_hyphen_found) {
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unparsed_options.push(opt);
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}
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if (opt == '--') {
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double_hyphen_found = true;
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}
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});
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// We try respect and pass through remaining command
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// line options (like --foo=bar) to node-gyp
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var cooked = gyp.opts.argv.cooked;
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var node_gyp_options = [];
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cooked.forEach(function(value) {
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if (value.length > 2 && value.slice(0,2) == '--') {
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var key = value.slice(2);
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var val = cooked[cooked.indexOf(value)+1];
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if (val && val.indexOf('--') === -1) { // handle '--foo=bar' or ['--foo','bar']
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node_gyp_options.push('--' + key + '=' + val);
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} else { // pass through --foo
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node_gyp_options.push(value);
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}
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}
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});
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var result = {'opts':opts,'gyp':node_gyp_options,'pre':node_pre_gyp_options,'unparsed':unparsed_options};
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return callback(null,result);
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}
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