hakurei/container/executable.go
Ophestra 01fedddbff
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message: relocate from container
This package is quite useful. This change allows it to be imported without importing container.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-10-09 05:17:27 +09:00

28 lines
451 B
Go

package container
import (
"os"
"sync"
"hakurei.app/message"
)
var (
executable string
executableOnce sync.Once
)
func copyExecutable(msg message.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 message.Msg) string {
executableOnce.Do(func() { copyExecutable(msg) })
return executable
}