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progress: explicitly fail if tty requested but not available

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The NewPrinter function is mostly borrowed from buildkit. However, at
some point, it seems that the implementations drifted.

This patch updates buildx to be more similar in behavior to it's
buildkit counterpart, specifically, it will explicitly fail if a TTY
output is requested using "--progress=tty", but the output is not
available.

To gracefully fallback to plain progress in this scenario,
"--progress=plain" is required.

Signed-off-by: Justin Chadwell <me@jedevc.com>
This commit is contained in:
Justin Chadwell
2022-10-25 10:55:36 +01:00
parent e84ed65525
commit a50e89c38e
5 changed files with 34 additions and 16 deletions
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5
commands/imagetools/create.go
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@ -182,7 +182,10 @@ func runCreate(dockerCli command.Cli, in createOptions, args []string) error {
ctx2, cancel := context.WithCancel(context.TODO())
defer cancel()
printer := progress.NewPrinter(ctx2, os.Stderr, os.Stderr, in.progress)
printer, err := progress.NewPrinter(ctx2, os.Stderr, os.Stderr, in.progress)
if err != nil {
return err
}
eg, _ := errgroup.WithContext(ctx)
pw := progress.WithPrefix(printer, "internal", true)