Ophestra
87b5c30ef6
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This package is quite useful. This change allows it to be imported without importing container. Signed-off-by: Ophestra <cat@gensokyo.uk>
28 lines
451 B
Go
28 lines
451 B
Go
package container
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import (
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"os"
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"sync"
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"hakurei.app/message"
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)
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var (
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executable string
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executableOnce sync.Once
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)
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func copyExecutable(msg message.Msg) {
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if name, err := os.Executable(); err != nil {
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msg.BeforeExit()
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msg.GetLogger().Fatalf("cannot read executable path: %v", err)
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} else {
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executable = name
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}
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}
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func MustExecutable(msg message.Msg) string {
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executableOnce.Do(func() { copyExecutable(msg) })
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return executable
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}
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