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var async = require('async');
var fs = require('fs-extra');
var path = require('path');
var versions = require('mongodb-version-list');
var semver = require('semver');
var defaults = require('lodash.defaults');
var config = require('./lib/config');
var activate = require('./lib/activate');
var download = require('./lib/download');
var Model = require('./lib/model');
var resolve = require('./lib/resolve');
// var VERSION = /[0-9]+\.[0-9]+\.[0-9]+([-_\.][a-zA-Z0-9]+)?/;
activate.addToPath(config.CURRENT_BIN_DIRECTORY);
module.exports = exports = function(opts, fn) {
if (typeof opts === 'function') {
fn = opts;
opts = {};
} else if (typeof opts === 'string') {
opts = {
version: opts
};
}
opts.version = opts.version || process.env.MONGODB_VERSION;
exports.use(opts, fn);
};
exports.resolve = function(opts, done) {
resolve(opts, function(err, res) {
if (err) return done(err);
done(null, new Model(res));
});
};
var getVersion = require('get-mongodb-version');
exports.current = function(done) {
var mongod = path.join(config.CURRENT_BIN_DIRECTORY, 'mongod');
fs.exists(mongod, function(exists) {
if (!exists) return done(null, null);
getVersion({path: mongod}, done);
});
};
exports.config = config;
exports.path = function(fn) {
fn(null, config.CURRENT_BIN_DIRECTORY);
};
exports.installed = function(fn) {
fs.readdir(config.ROOT_DIRECTORY, function(err, files) {
files = files || [];
if (err) return fn(null, files);
fn(null, files);
});
};
exports.available = function(opts, fn) {
opts = defaults(opts || {}, {
stable: false,
unstable: false,
rc: false,
range: undefined
});
versions(function(err, res) {
if (err) return fn(err);
res = res.map(function(v) {
return semver.parse(v);
})
.filter(function(v) {
if (opts.range) {
return semver.satisfies(v.version, opts.range);
}
v.stable = v.minor % 2 === 0;
v.unstable = !v.stable;
v.rc = v.prerelease.length > 0;
if (!opts.rc && v.rc) return false;
if (!opts.stable && v.stable) return false;
if (!opts.unstable && v.unstable) return false;
return true;
})
.map(function(v) {
return v.version;
});
fn(null, res);
});
};
exports.is = function(s, done) {
exports.current(function(err, v) {
if (err) return done(err);
done(null, semver.satisfies(v, s));
});
};
exports.install = function(version, done) {
resolve({
version: version
}, function(err, model) {
if (err) return done(err);
download(model, done);
});
};
exports.use = function(opts, done) {
/* eslint no-shadow:0 */
resolve(opts, function(err, model) {
if (err) return done(err);
// @todo (imlucas) Current needs to take into account
// enterprise, debug, platform, bits, etc.
// exports.current(function(err, v) {
// if (err) return done(err);
//
// if (model.version === v) {
// debug('already using ' + v);
// return done(null, model);
// }
async.series([
download.bind(null, model),
activate.bind(null, model)
], function(err) {
if (err) return done(err);
return done(null, model);
});
});
};