func run()

in Sources/XCRemoteCache/Commands/Libtool/XCCreateUniversalBinary.swift [60:96]
28 lines of code
4 McCabe index (conditional complexity)

    func run() {
        // check if RC is enabled. if so, take any input .a and copy to the output location
        let fileManager = FileManager.default
        let config: XCRemoteCacheConfig
        do {
            let srcRoot: URL = URL(fileURLWithPath: fileManager.currentDirectoryPath)
            config = try XCRemoteCacheConfigReader(srcRootPath: srcRoot.path, fileReader: fileManager)
                .readConfiguration()
        } catch {
            errorLog("\(toolName) initialization failed with error: \(error). Fallbacking to \(fallbackCommand)")
            fallbackToDefault()
        }

        let markerURL = tempDir.appendingPathComponent(config.modeMarkerPath)
        do {
            let markerReader = FileMarkerReader(markerURL, fileManager: fileManager)
            guard markerReader.canRead() else {
                fallbackToDefault()
            }

            // Remote cache artifact stores a final library from DerivedData/Products location
            // (an universal binary here)
            // Fot a target where universal binary is used as a product, an output from single-architecture `xclibtool`
            // already is a universal library (the one from artifact package)
            // Link any of input libraries (here first) to the final output location because xclibtool flow ensures
            // that these are already an universal binary
            try fileManager.spt_forceLinkItem(at: firstInputURL, to: output)
        } catch {
            errorLog("\(toolName) failed with error: \(error). Fallbacking to \(fallbackCommand)")
            do {
                try fileManager.removeItem(at: markerURL)
                fallbackToDefault()
            } catch {
                exit(1, "FATAL: \(fallbackCommand) failed with error: \(error)")
            }
        }
    }