fun flashDevice()

in src/main/kotlin/com/uber/nanoscope/Nanoscope.kt [224:252]

• 24 lines of code
• 4 McCabe index (conditional complexity)

        fun flashDevice(romUrl: String) {
            if (Adb.getDeviceHardware() != "angler") {
                throw FlashException("Sorry, Nexus 6p is currently the only supported device.")
            }
            Adb.root()
            val md5 = MessageDigest.getInstance("MD5").digest(romUrl.toByteArray())
            val key = Base64.encode(md5)
            val outDir = File(configDir, "roms/$key")

            downloadZipIfNecessary(outDir, romUrl)

            val installScript = File(outDir, "install.sh")
            if (!installScript.exists()) {
                throw FlashException("Invalid ROM. install.sh script does not exist.")
            }

            installScript.setExecutable(true)

            println("Flashing device...")
            val status = ProcessBuilder("./install.sh")
                    .directory(outDir)
                    .inheritIO()
                    .start()
                    .waitFor()

            if (status != 0) {
                throw FlashException("Flash failed: $status")
            }
        }