Merge pull request #18372 from Luap99/save-stdout

windows: podman save allow the use of stdout
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OpenShift Merge Robot 2023-05-02 04:53:10 -04:00 committed by GitHub
commit 91da62d74c
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1 changed files with 13 additions and 4 deletions

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@ -282,10 +282,19 @@ func (ir *ImageEngine) Save(ctx context.Context, nameOrID string, tags []string,
defer func() { _ = os.Remove(f.Name()) }()
}
default:
// This code was added to allow for opening stdout replacing
// os.Create(opts.Output) which was attempting to open the file
// for read/write which fails on Darwin platforms
f, err = os.OpenFile(opts.Output, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
// This is ugly but I think the best we can do for now,
// on windows there is no /dev/stdout but the save command defaults to /dev/stdout.
// The proper thing to do would be to pass an io.Writer down from the cli frontend
// but since the local save API does not support an io.Writer this is impossible.
// I reported it a while ago in https://github.com/containers/common/issues/1275
if opts.Output == "/dev/stdout" {
f = os.Stdout
} else {
// This code was added to allow for opening stdout replacing
// os.Create(opts.Output) which was attempting to open the file
// for read/write which fails on Darwin platforms
f, err = os.OpenFile(opts.Output, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
}
}
if err != nil {
return err