func handleCat(ctx *cli.Context, client *daemon.Client) error {
repoPath := prefixSlash(ctx.Args().First())
filePath := ""
isStdoutMode := ctx.NArg() < 2
if isStdoutMode {
tmpFile, err := ioutil.TempFile("", ".brig-tmp-")
if err != nil {
return ExitCode{
UnknownError,
fmt.Sprintf("Unable to create temp file: %v", err),
}
}
filePath = tmpFile.Name()
defer util.Closer(tmpFile)
defer func() {
if err := os.Remove(filePath); err != nil {
log.Warningf("Cannot remove temp-file: %v", err)
}
}()
} else {
absPath, err := filepath.Abs(ctx.Args()[1])
if err != nil {
return ExitCode{
UnknownError,
fmt.Sprintf("Unable to make abs path: %v: %v", filePath, err),
}
}
filePath = absPath
}
if err := client.Cat(repoPath, filePath); err != nil {
return ExitCode{
UnknownError,
fmt.Sprintf("Could not cat file: %v: %v", repoPath, err),
}
}
if isStdoutMode {
fd, err := os.Open(filePath)
if err != nil {
return ExitCode{
UnknownError,
"Could not open temp file",
}
}
if _, err := io.Copy(os.Stdout, fd); err != nil {
return ExitCode{
UnknownError,
fmt.Sprintf("Cannot copy to stdout: %v", err),
}
}
if err := fd.Close(); err != nil {
log.Warningf("Unable to close tmpfile handle: %v", err)
}
}
return nil
}