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build: allow multiple exports if supported by buildkit

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Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
2024-02-27 20:23:31 -08:00
parent 83c30c6c5a
commit fcbe2803c8
3 changed files with 12 additions and 1 deletions
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5
controller/pb/export.go
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@ -15,6 +15,7 @@ func CreateExports(entries []*ExportEntry) ([]client.ExportEntry, error) {
if len(entries) == 0 {
return nil, nil
}
var stdoutUsed bool
for _, entry := range entries {
if entry.Type == "" {
return nil, errors.Errorf("type is required for output")
@ -68,10 +69,14 @@ func CreateExports(entries []*ExportEntry) ([]client.ExportEntry, error) {
entry.Destination = "-"
}
if entry.Destination == "-" {
if stdoutUsed {
return nil, errors.Errorf("multiple outputs configured to write to stdout")
}
if _, err := console.ConsoleFromFile(os.Stdout); err == nil {
return nil, errors.Errorf("dest file is required for %s exporter. refusing to write to console", out.Type)
}
out.Output = wrapWriteCloser(os.Stdout)
stdoutUsed = true
} else if entry.Destination != "" {
fi, err := os.Stat(entry.Destination)
if err != nil && !os.IsNotExist(err) {