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#!/usr/bin/env xcrun swift
/*
* Copyright 2017 Google
*
* 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
enum Colors: String {
case black = "\u{001B}[0;30m"
case red = "\u{001B}[0;31m"
case green = "\u{001B}[0;32m"
case yellow = "\u{001B}[0;33m"
case blue = "\u{001B}[0;34m"
case magenta = "\u{001B}[0;35m"
case cyan = "\u{001B}[0;36m"
case white = "\u{001B}[0;37m"
}
func colorPrint(color: Colors, text: String) {
print(color.rawValue + text + "\u{001B}[0;0m")
}
let allFrameworks = ["FirebaseAuth",
"FirebaseCore",
"FirebaseDatabase",
"FirebaseMessaging",
"FirebaseStorage"]
let currentDirectoryURL = URL(fileURLWithPath: FileManager.default.currentDirectoryPath)
let url = URL(fileURLWithPath: CommandLine.arguments[0], relativeTo: currentDirectoryURL)
let commandPath = url.deletingLastPathComponent().path
func usage() -> Never {
print("usage: ./build.swift -f {framework1} -f {framework2} ....")
print("usage: ./build.swift -all")
print("Valid frameworks are \(allFrameworks)")
exit(1)
}
func processOptions() -> [String] {
guard CommandLine.arguments.count > 1 else {
usage()
}
var doFrameworks = [String]()
var optIndex = 1
whileLoop: while optIndex < CommandLine.arguments.count {
switch CommandLine.arguments[optIndex] {
case "-all":
guard doFrameworks.count == 0, CommandLine.arguments.count == 2 else {
colorPrint(color:Colors.red, text:"-all must be a solo option")
usage()
}
doFrameworks = allFrameworks
break whileLoop
case "-f":
optIndex += 1
guard optIndex < CommandLine.arguments.count else {
colorPrint(color:Colors.red, text:"The -f option must be followed by a framework name")
usage()
}
let framework = CommandLine.arguments[optIndex]
guard allFrameworks.contains(framework) else {
colorPrint(color:Colors.red, text:"\(framework) is not a valid framework")
usage()
}
doFrameworks += [framework]
optIndex += 1
default:
colorPrint(color:Colors.red, text: "Invalid option: \(CommandLine.arguments[optIndex])")
usage()
}
}
return doFrameworks
}
func tempDir() -> String {
let directory = NSTemporaryDirectory()
let fileName = NSUUID().uuidString
guard let dir = NSURL.fileURL(withPathComponents:[directory, fileName]) else {
colorPrint(color:Colors.red, text:"Failed to create temp directory")
exit(1)
}
return dir.path
}
func syncExec(command: String, args: [String] = []) {
let task = Process()
task.launchPath = command
task.arguments = args
task.currentDirectoryPath = commandPath
task.launch()
task.waitUntilExit()
guard (task.terminationStatus == 0) else {
colorPrint(color:Colors.red, text:"Command failed:")
colorPrint(color:Colors.red, text:command + " " + args.joined(separator:" "))
exit(1)
}
}
func buildThin(framework: String, arch: String, sdk: String, parentDir: String) -> [String] {
let buildDir = parentDir + "/" + arch
let standardOptions = [ "build",
"-configuration", "release",
"-workspace", "FrameworkMaker.xcworkspace",
"-scheme", framework,
"GCC_GENERATE_DEBUGGING_SYMBOLS=No"]
let bitcode = (sdk == "iphoneos") ? ["OTHER_CFLAGS=\"" + "-fembed-bitcode\""] : []
let args = standardOptions + ["ARCHS=" + arch, "BUILD_DIR=" + buildDir, "-sdk", sdk] + bitcode
syncExec(command:"/usr/bin/xcodebuild", args:args)
return [buildDir + "/Release-" + sdk + "/" + framework + "/lib" + framework + ".a"]
}
func createFile(file: String, content: String) {
let data = content.data(using:String.Encoding.utf8)
guard FileManager.default.createFile(atPath:file, contents: data, attributes: nil) else {
print("Error creating " + file)
exit(1)
}
}
// TODO: Add support for adding library and framework dependencies to makeModuleMap
func makeModuleMap(framework: String, dir: String) {
let moduleDir = dir + "/Modules"
syncExec(command:"/bin/mkdir", args:["-p", moduleDir])
let moduleFile = moduleDir + "/module.modulemap"
let content = "framework module " + framework + " {\n" +
" umbrella header \"" + framework + ".h\"\n" +
" export *\n" +
" module * { export *}\n" +
"}\n"
createFile(file:moduleFile, content:content)
}
func buildFramework(withName framework: String, outputDir: String) {
let buildDir = tempDir()
var thinArchives = [String]()
thinArchives += buildThin(framework:framework, arch:"arm64", sdk:"iphoneos", parentDir:buildDir)
thinArchives += buildThin(framework:framework, arch:"armv7", sdk:"iphoneos", parentDir:buildDir)
thinArchives += buildThin(framework:framework, arch:"i386", sdk:"iphonesimulator", parentDir:buildDir)
thinArchives += buildThin(framework:framework, arch:"x86_64", sdk:"iphonesimulator", parentDir:buildDir)
let frameworkDir = outputDir + "/" + framework + ".framework"
syncExec(command:"/bin/mkdir", args:["-p", frameworkDir])
let fatArchive = frameworkDir + "/" + framework
syncExec(command:"/usr/bin/lipo", args:["-create", "-output", fatArchive] + thinArchives)
syncExec(command:"/bin/rm", args:["-rf"] + thinArchives)
let headersDir = frameworkDir + "/Headers"
syncExec(command:"/bin/mv", args:[NSString(string:thinArchives[0]).deletingLastPathComponent, headersDir])
syncExec(command:"/bin/rm", args:["-rf", buildDir])
makeModuleMap(framework:framework, dir:frameworkDir)
}
let frameworks = processOptions()
colorPrint(color:Colors.green, text:"Building \(frameworks)")
let outputDir = tempDir()
syncExec(command:"/usr/local/bin/pod", args:["update"])
for f in frameworks {
buildFramework(withName:f, outputDir:outputDir)
}
print()
colorPrint(color:Colors.magenta, text:"The frameworks are available at the locations below:")
syncExec(command:"/usr/bin/find", args:[outputDir, "-depth", "1"])
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