func runXcodeBuildCmd(useStdOut bool, args ...string) (string, int, error) {
// command
buildCmd := cmd.CreateXcodebuildCmd(args...)
// output buffer
var outBuffer bytes.Buffer
// additional output writers, like StdOut
outWritters := []io.Writer{}
if useStdOut {
outWritters = append(outWritters, os.Stdout)
}
// unify as a single writer
outWritter := cmd.CreateBufferedWriter(&outBuffer, outWritters...)
// and set the writer
buildCmd.Stdin = nil
buildCmd.Stdout = outWritter
buildCmd.Stderr = outWritter
buildCmd.Env = append(os.Environ(), xcodeCommandEnvs...)
cmdArgsForPrint := cmd.PrintableCommandArgsWithEnvs(buildCmd.Args, xcodeCommandEnvs)
log.Detail("$ %s", cmdArgsForPrint)
err := buildCmd.Run()
if err != nil {
if exitError, ok := err.(*exec.ExitError); ok {
waitStatus, ok := exitError.Sys().(syscall.WaitStatus)
if !ok {
return outBuffer.String(), 1, errors.New("Failed to cast exit status")
}
return outBuffer.String(), waitStatus.ExitStatus(), err
}
return outBuffer.String(), 1, err
}
return outBuffer.String(), 0, nil
}
func runPrettyXcodeBuildCmd(useStdOut bool, xcprettyArgs []string, xcodebuildArgs []string) (string, int, error) {
//
buildCmd := cmd.CreateXcodebuildCmd(xcodebuildArgs...)
prettyCmd := cmd.CreateXcprettyCmd(xcprettyArgs...)
//
var buildOutBuffer bytes.Buffer
//
pipeReader, pipeWriter := io.Pipe()
//
// build outputs:
// - write it into a buffer
// - write it into the pipe, which will be fed into xcpretty
buildOutWriters := []io.Writer{pipeWriter}
buildOutWriter := cmd.CreateBufferedWriter(&buildOutBuffer, buildOutWriters...)
//
var prettyOutWriter io.Writer
if useStdOut {
prettyOutWriter = os.Stdout
}
// and set the writers
buildCmd.Stdin = nil
buildCmd.Stdout = buildOutWriter
buildCmd.Stderr = buildOutWriter
//
prettyCmd.Stdin = pipeReader
prettyCmd.Stdout = prettyOutWriter
prettyCmd.Stderr = prettyOutWriter
//
buildCmd.Env = append(os.Environ(), xcodeCommandEnvs...)
log.Detail("$ set -o pipefail && %s | %v",
cmd.PrintableCommandArgsWithEnvs(buildCmd.Args, xcodeCommandEnvs),
cmd.PrintableCommandArgs(prettyCmd.Args))
fmt.Println()
if err := buildCmd.Start(); err != nil {
return buildOutBuffer.String(), 1, err
}
if err := prettyCmd.Start(); err != nil {
return buildOutBuffer.String(), 1, err
}
defer func() {
if err := pipeWriter.Close(); err != nil {
log.Warn("Failed to close xcodebuild-xcpretty pipe, error: %s", err)
}
if err := prettyCmd.Wait(); err != nil {
log.Warn("xcpretty command failed, error: %s", err)
}
}()
if err := buildCmd.Wait(); err != nil {
if exitError, ok := err.(*exec.ExitError); ok {
waitStatus, ok := exitError.Sys().(syscall.WaitStatus)
if !ok {
return buildOutBuffer.String(), 1, errors.New("Failed to cast exit status")
}
return buildOutBuffer.String(), waitStatus.ExitStatus(), err
}
return buildOutBuffer.String(), 1, err
}
return buildOutBuffer.String(), 0, nil
}