Function processDefFile

sif/load.go:72–94

processDefFile finds sif.DataDeffile in sifImage, if any, and returns: - the command to run - contents of a script to inject as injectedScriptTargetPath, or nil

(sifImage *sif.FileImage)

// - the command to run
// - contents of a script to inject as injectedScriptTargetPath, or nil
func processDefFile(sifImage *sif.FileImage) (string, []byte, error) {
	var environment, runscript []string

	desc, err := sifImage.GetDescriptor(sif.WithDataType(sif.DataDeffile))
	if err == nil {
		environment, runscript, err = parseDefFile(desc.GetReader())
		if err != nil {
			return "", nil, err
		}
	}

	var command string
	var injectedScript []byte
	if len(environment) == 0 && len(runscript) == 0 {
		command = "bash"
		injectedScript = nil
	} else {
		injectedScript = generateInjectedScript(environment, runscript)
		command = injectedScriptTargetPath
	}

	return command, injectedScript, nil
}

func writeInjectedScript(extractedRootPath string, injectedScript []byte) error {
	if injectedScript == nil {