Create a PR for each frameworks in Cartfile.resolved for edited azure-pipelines.yml for Xcode 13 update

main.swift

//
//  main.swift
//  carthageGraph
//
//  Created by Bill, Yiu Por Chan on 17.09.21.
//

import Foundation

var path: String! = "/Users/bill/ios_dev/wire/xcode13/wire-ios/Cartfile.resolved"

func read(path: String) -> String? {
    let cartfileUrl = URL(fileURLWithPath: path)
    
    print("ℹ️ cartfileUrl: \(cartfileUrl)")
    
    do {
        return try String(contentsOf: cartfileUrl, encoding: String.Encoding.utf8)
        
    } catch {
        print("❌ Error: \(error.localizedDescription)")
        return nil
    }
}

func readFile(path: String) -> [String]? {
    let content = read(path: path)
    return content?.components(separatedBy: "\n")
}

func shell(_ command: String) -> String {
    let task = Process()
    let pipe = Pipe()
    
    task.standardOutput = pipe
    task.standardError = pipe
    task.arguments = ["-c", command]
    task.launchPath = "/bin/zsh"
    task.launch()
    
    let data = pipe.fileHandleForReading.readDataToEndOfFile()
    let output = String(data: data, encoding: .utf8)!
    
    return output
}

let xcode13Branch = "chore/xcode13"

let prBody = """
## What's new in this PR?

Build with Xcode 13

### dependency
- [ ] https://github.com/wireapp/wire-ios-shared-resources/pull/52
"""

func processRepo(line: String) {
    let components = line.components(separatedBy: " ")
    if components.count >= 2 {
        let repo = components[1].replacingOccurrences(of: "\"", with: "")
        let repoFolder = repo.components(separatedBy: "/").last ?? ""
        print(repoFolder)
        
        // check it has chore/xcode13 branch
        let branchExist = shell("git ls-remote --heads https://github.com/\(repo) \(xcode13Branch) | wc -l")
        
        let cdCmd = "cd \(repoFolder) ; "
        
        func checkout() {
            let checkout = shell(cdCmd + "git checkout \(xcode13Branch)")
        }
        
        func updateYml() {
            let ymlPath = "./\(repoFolder)/azure-pipelines.yml"
            let yml = read(path: ymlPath)
            print("yml content: \(yml)")
            
            let updatedYml = yml?.replacingOccurrences(of: "ref: refs/heads/master", with: "ref: refs/heads/\(xcode13Branch)")
            
            print("updatedYml content: \(updatedYml)")
            
            do {
                let ymlUrl = URL(fileURLWithPath: ymlPath)
                try updatedYml?.write(to: ymlUrl, atomically: false, encoding: .utf8)
            }
            catch {
                print("❌ write error: \(error.localizedDescription)")
            }
        }
        
        func commit() {
            let commit = shell(cdCmd + "git add . ; git commit -m\"change wire-ios-shared-resources branch\"")
            
            print("commit: \(commit)")
            
            let push = shell(cdCmd + "git push --set-upstream origin \(xcode13Branch)")
            
            print("push: \(push)")
            
            print("ℹ️ open PR")
            ///need to specify gh path otherwise shell method does not find it
            let pr = shell(cdCmd + "/opt/homebrew/bin/gh pr create --head \(xcode13Branch) --title \"chore: Xcode13\" --body \"\(prBody)\" --label \"DO NOT MERGE\"")
            
            print("create pr: \(pr)")
            
        }
        
        // clone the repo
        print("ℹ️ cloning \(repo)...")
        print(shell("rm -Rf \(repoFolder)"))
        
        let clone: String
        
        ///TODO: slow cmd, output progress?
        if (branchExist != "       0\n") {
            print("ℹ️ branch exists, skip create branch")
            clone = shell("git clone --depth 1 https://github.com/\(repo)  --branch \(xcode13Branch)")
        } else {
            clone = shell("git clone --depth 1 https://github.com/\(repo)")
            let branch = shell(cdCmd + "git branch \(xcode13Branch)")
        }
        print(clone)
        
        ///TODO: cd not work
        //        let cdpwd = shell(cdCmd + "pwd ; ls")
        //        print(cdpwd)
        
        
        checkout()
        updateYml()
        commit()
    }
    
    
}

let lines = readFile(path: path)
lines?.forEach() { line in
    if line.contains("wire-ios-") {
        processRepo(line: line)
    }
}