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// SPDX-License-Identifier: GPL-3.0-or-later
package dockerhost
import (
"fmt"
"os"
"strings"
)
func FromEnv() string {
addr := os.Getenv("DOCKER_HOST")
if addr == "" {
return ""
}
if strings.HasPrefix(addr, "tcp://") || strings.HasPrefix(addr, "unix://") {
return addr
}
if strings.HasPrefix(addr, "/") {
return fmt.Sprintf("unix://%s", addr)
}
return fmt.Sprintf("tcp://%s", addr)
}
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