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// Copyright 2016 The Tulsi Authors. All rights reserved.
//
// Licensed 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.
import Foundation
/// Wraps the standard ProcessRunner and injects Tulsi-specific environment variables.
public final class TulsiProcessRunner {
public typealias CompletionHandler = (ProcessRunner.CompletionInfo) -> Void
private static var defaultEnvironment: [String: String] = {
var environment = ProcessInfo.processInfo.environment
if let cfBundleVersion = Bundle.main.infoDictionary?["CFBundleVersion"] as? String {
environment["TULSI_VERSION"] = cfBundleVersion
}
return environment
}()
/// Prepares a Process using the given launch binary with the given arguments that will collect
/// output and passing it to a terminationHandler.
static func createProcess(_ launchPath: String,
arguments: [String],
environment: [String: String]? = nil,
messageLogger: LocalizedMessageLogger? = nil,
loggingIdentifier: String? = nil,
terminationHandler: @escaping CompletionHandler) -> Process {
var env = defaultEnvironment
if let environment = environment {
for (key, value) in environment {
env[key] = value
}
}
return ProcessRunner.createProcess(launchPath,
arguments: arguments,
environment: env,
messageLogger: messageLogger,
loggingIdentifier: loggingIdentifier,
terminationHandler: terminationHandler)
}
}