fun getProgramCommandLine()

in nuget-agent/src/jetbrains/buildServer/nuget/agent/util/impl/NuGetCommandLineProvider.kt [27:86]
46 lines of code
9 McCabe index (conditional complexity)

    fun getProgramCommandLine(context: BuildRunnerContext,
                              executable: String,
                              args: Collection<String>,
                              workingDir: File,
                              env: Map<String, String>): ProgramCommandLine {
        var (executablePath, arguments) = getExecutableAndArguments(executable, args, context)
        val buildLogger = context.build.buildLogger
        val environment = context.buildParameters.environmentVariables.toMutableMap()
        val version = myVersions.getOrPut(executable) { getNugetVersion(executable, context) }

        // Since NuGet 2.0 for authentication could be used NuGet runner.
        // Since NuGet 3.3 it's possible to use credential providers:
        // https://docs.microsoft.com/en-us/nuget/reference/extensibility/nuget-exe-credential-providers
        // Since NuGet 4.8 it's possible to use NuGet authentication plugin:
        // https://github.com/NuGet/Home/wiki/NuGet-cross-plat-authentication-plugin
        when {
            version < NUGET_VERSION_2_0 -> {
                buildLogger.warning("You use NuGet $version. Feed authentication is only supported from NuGet $NUGET_VERSION_2_0")
            }
            version < NUGET_VERSION_3_3 -> {
                if (!mySystemInformation.isWindows) {
                    throw RunBuildException("Only NuGet 3.3 and higher is compatible with Mono runtime.").apply {
                        isLogStacktrace = false
                    }
                }
                arguments.add(0, executablePath)
                executablePath = myNugetProvider.nuGetRunnerPath.path
            }
            else -> {
                // NuGet 3.5+ does not properly work under SYSTEM account on Windows:
                // https://github.com/NuGet/Home/issues/4277
                if (version >= NUGET_VERSION_3_5 && mySystemInformation.isWindows &&
                        "SYSTEM".equals(mySystemInformation.userName, true) &&
                        !context.buildParameters.environmentVariables.containsKey(NUGET_PACKAGES_ENV)) {
                    val packagesPath = File(context.build.buildTempDirectory, ".nuget/packages")
                    buildLogger.message("Setting '$NUGET_PACKAGES_ENV' environment variable to '$packagesPath'")
                    environment[NUGET_PACKAGES_ENV] = packagesPath.path
                    buildLogger.message("##teamcity[setParameter name='env.$NUGET_PACKAGES_ENV' value='$packagesPath']")
                }

                // NuGet < 4.8 and NuGet < 4.9 on Mono does not support credentials plugin,
                // so we need to remove environment variable to prevent runtime errors
                if (version < NUGET_VERSION_4_8 ||
                    version < NUGET_VERSION_4_9 && !mySystemInformation.isWindows) {
                    environment.remove(NUGET_PLUGIN_PATH_ENV_VAR)
                }
            }
        }

        // Disable interactive mode for credentials requests
        environment["NUGET_EXE_NO_PROMPT"] = "true"
        environment.putAll(env)

        return SimpleProgramCommandLine(
                environment,
                workingDir.path,
                executablePath,
                arguments
        )
    }