Shell FileWrite + Execute Script

main.swift

import Foundation

let gitPath = "/Users/jeongwon/TestGit/fakeGit/build/Products/usr/local/bin/fakeGit"
let gitCommitFormat = "\(gitPath) commit -m \"%@\""

let nfdCommitMsg = "\"유니코드 정규화 확인을 위한 문장. And Check With Alphabet.\""
let escapedCommitMsg = nfdCommitMsg.replacingOccurrences(of: "\"", with: "\\\"")

let commitMsg = escapedCommitMsg.precomposedStringWithCanonicalMapping

let tmpFileURL = FileManager.default.temporaryDirectory.appendingPathComponent("gitShell_\(UUID().hashValue).sh")

let fileText = String(format: gitCommitFormat, commitMsg)
try fileText.write(to: tmpFileURL, atomically: true, encoding: .utf8)

var launchedTask = Process()
var taskPipe = Pipe()
launchedTask.launchPath = "/usr/bin/env"
launchedTask.arguments = ["sh", "\(tmpFileURL.path)"]
launchedTask.standardOutput = taskPipe
try launchedTask.run()

var pipeHandle = taskPipe.fileHandleForReading
var taskResultData = pipeHandle.readDataToEndOfFile()
var taskResult = String(data: taskResultData, encoding: .utf8)

print(taskResult!)