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package utils
import (
"os"
"strings"
jww "github.com/spf13/jwalterweatherman"
)
func CheckErr(err error, s ...string) {
if err != nil {
if len(s) == 0 {
jww.CRITICAL.Println(err)
} else {
for _, message := range s {
jww.ERROR.Println(message)
}
jww.ERROR.Println(err)
}
}
}
func StopOnErr(err error, s ...string) {
if err != nil {
doStopOnErr(err, s...)
os.Exit(-1)
}
}
func doStopOnErr(err error, s ...string) {
if len(s) == 0 {
newMessage := cutUsageMessage(err.Error())
// Printing an empty string results in a error with
// no message, no bueno.
if newMessage != "" {
jww.CRITICAL.Println(newMessage)
}
} else {
for _, message := range s {
message := cutUsageMessage(message)
if message != "" {
jww.CRITICAL.Println(message)
}
}
}
}
// cutUsageMessage splits the incoming string on the beginning of the usage
// message text. Anything in the first element of the returned slice, trimmed
// of its Unicode defined spaces, should be returned. The 2nd element of the
// slice will have the usage message that we wish to elide.
//
// This is done because Cobra already prints Hugo's usage message; not eliding
// would result in the usage output being printed twice, which leads to bug
// reports, more specifically: https://github.com/spf13/hugo/issues/374
func cutUsageMessage(s string) string {
pieces := strings.Split(s, "Usage of")
return strings.TrimSpace(pieces[0])
}
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