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package container
import (
"os"
"sync"
)
var (
executable string
executableOnce sync.Once
)
func copyExecutable(msg Msg) {
if name, err := os.Executable(); err != nil {
msg.BeforeExit()
msg.GetLogger().Fatalf("cannot read executable path: %v", err)
} else {
executable = name
}
}
func MustExecutable(msg Msg) string {
executableOnce.Do(func() { copyExecutable(msg) })
return executable
}
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