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progress: make sure all channels have written before returning

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Possible write on closed channel on cancellation before.

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
2020-10-16 22:49:29 -07:00
parent 232af9aa0d
commit 40fad4bbb5
4 changed files with 13 additions and 5 deletions
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4
build/url.go
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@ -19,6 +19,8 @@ func createTempDockerfileFromURL(ctx context.Context, d driver.Driver, url strin
return "", err
}
var out string
ch, done := progress.NewChannel(pw)
defer func() { <-done }()
_, err = c.Build(ctx, client.SolveOpt{}, "buildx", func(ctx context.Context, c gwclient.Client) (*gwclient.Result, error) {
def, err := llb.HTTP(url, llb.Filename("Dockerfile"), llb.WithCustomNamef("[internal] load %s", url)).Marshal(ctx)
if err != nil {
@ -60,7 +62,7 @@ func createTempDockerfileFromURL(ctx context.Context, d driver.Driver, url strin
}
out = dir
return nil, nil
}, progress.NewChannel(pw))
}, ch)
if err != nil {
return "", err