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#!/usr/bin/env node
/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/
var child_process = require('child_process'),
Q = require('q');
exports.get_apple_ios_version = function() {
var d = Q.defer();
child_process.exec('xcodebuild -showsdks', function(error, stdout, stderr) {
if (error) {
d.reject(stderr);
}
else {
d.resolve(stdout);
}
});
return d.promise.then(function(output) {
var regex = /[0-9]*\.[0-9]*/,
versions = [],
regexIOS = /^iOS \d+/;
output = output.split('\n');
for (var i = 0; i < output.length; i++) {
if (output[i].trim().match(regexIOS)) {
versions[versions.length] = parseFloat(output[i].match(regex)[0]);
}
}
versions.sort();
console.log(versions[0]);
return Q();
}, function(stderr) {
return Q.reject(stderr);
});
};
exports.get_apple_osx_version = function() {
var d = Q.defer();
child_process.exec('xcodebuild -showsdks', function(error, stdout, stderr) {
if (error) {
d.reject(stderr);
}
else {
d.resolve(stdout);
}
});
return d.promise.then(function(output) {
var regex = /[0-9]*\.[0-9]*/,
versions = [],
regexOSX = /^OS X \d+/;
output = output.split('\n');
for (var i = 0; i < output.length; i++) {
if (output[i].trim().match(regexOSX)) {
versions[versions.length] = parseFloat(output[i].match(regex)[0]);
}
}
versions.sort();
console.log(versions[0]);
return Q();
}, function(stderr) {
return Q.reject(stderr);
});
};
exports.get_apple_xcode_version = function() {
var d = Q.defer();
child_process.exec('xcodebuild -version', function(error, stdout, stderr) {
var versionMatch = /Xcode (.*)/.exec(stdout);
if (error || !versionMatch) {
d.reject(stderr);
} else {
d.resolve(versionMatch[1]);
}
});
return d.promise;
};
/**
* Gets ios-deploy util version
* @return {Promise} Promise that either resolved with ios-deploy version
* or rejected in case of error
*/
exports.get_ios_deploy_version = function() {
var d = Q.defer();
child_process.exec('ios-deploy --version', function(error, stdout, stderr) {
if (error) {
d.reject(stderr);
} else {
d.resolve(stdout);
}
});
return d.promise;
};
/**
* Gets ios-sim util version
* @return {Promise} Promise that either resolved with ios-sim version
* or rejected in case of error
*/
exports.get_ios_sim_version = function() {
var d = Q.defer();
child_process.exec('ios-sim --version', function(error, stdout, stderr) {
if (error) {
d.reject(stderr);
} else {
d.resolve(stdout);
}
});
return d.promise;
};
/**
* Gets specific tool version
* @param {String} toolName Tool name to check. Known tools are 'xcodebuild', 'ios-sim' and 'ios-deploy'
* @return {Promise} Promise that either resolved with tool version
* or rejected in case of error
*/
exports.get_tool_version = function (toolName) {
switch (toolName) {
case 'xcodebuild': return exports.get_apple_xcode_version();
case 'ios-sim': return exports.get_ios_sim_version();
case 'ios-deploy': return exports.get_ios_deploy_version();
default: return Q.reject(toolName + ' is not valid tool name. Valid names are: \'xcodebuild\', \'ios-sim\' and \'ios-deploy\'');
}
};
/**
* Compares two semver-notated version strings. Returns number
* that indicates equality of provided version strings.
* @param {String} version1 Version to compare
* @param {String} version2 Another version to compare
* @return {Number} Negative number if first version is lower than the second,
* positive otherwise and 0 if versions are equal.
*/
exports.compareVersions = function (version1, version2) {
function parseVer (version) {
return version.split('.').map(function (value) {
// try to convert version segment to Number
var parsed = Number(value);
// Number constructor is strict enough and will return NaN
// if conversion fails. In this case we won't be able to compare versions properly
if (isNaN(parsed)) {
throw 'Version should contain only numbers and dots';
}
return parsed;
});
}
var parsedVer1 = parseVer(version1);
var parsedVer2 = parseVer(version2);
// Compare corresponding segments of each version
for (var i = 0; i < Math.max(parsedVer1.length, parsedVer2.length); i++) {
// if segment is not specified, assume that it is 0
// E.g. 3.1 is equal to 3.1.0
var ret = (parsedVer1[i] || 0) - (parsedVer2[i] || 0);
// if segments are not equal, we're finished
if (ret !== 0) return ret;
}
return 0;
};
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