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package tzlocal
import (
"fmt"
"os"
"time"
)
// EnvTZ will return the TZ env value if it is set, go will revert any invalid timezone to UTC
func EnvTZ() (string, bool) {
if name, ok := os.LookupEnv("TZ"); ok {
// Go treats blank as UTC
if name == "" {
return "UTC", true
}
_, err := time.LoadLocation(name)
// Go treats invalid as UTC
if err != nil {
return "UTC", true
}
return name, true
}
return "", false
}
// RuntimeTZ get the full timezone name of the local machine
func RuntimeTZ() (string, error) {
// Get the timezone from the TZ env variable
if name, ok := EnvTZ(); ok {
return name, nil
}
// Get the timezone from the system file
name, err := LocalTZ()
if err != nil {
err = fmt.Errorf("failed to get local machine timezone: %w", err)
return "", err
}
return name, err
}
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