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Merge pull request #209 from joostjager/fix-loop-cli-parse

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cmd/loop: fix channel parsing
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Joost Jager 2020-05-25 08:56:25 +02:00 • committed by GitHub
commit bdfd382dec
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1 changed files with 12 additions and 7 deletions
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19
cmd/loop/loopout.go
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@ -89,15 +89,20 @@ func loopOut(ctx *cli.Context) error {
return err
}
// Parse outgoing channel set.
chanStrings := strings.Split(ctx.String("channel"), ",")
// Parse outgoing channel set. Don't string split if the flag is empty.
// Otherwise strings.Split returns a slice of length one with an empty
// element.
var outgoingChanSet []uint64
for _, chanString := range chanStrings {
chanID, err := strconv.ParseUint(chanString, 10, 64)
if err != nil {
return err
if ctx.IsSet("channel") {
chanStrings := strings.Split(ctx.String("channel"), ",")
for _, chanString := range chanStrings {
chanID, err := strconv.ParseUint(chanString, 10, 64)
if err != nil {
return fmt.Errorf("error parsing channel id "+
"\"%v\"", chanString)
}
outgoingChanSet = append(outgoingChanSet, chanID)
}
outgoingChanSet = append(outgoingChanSet, chanID)
}
var destAddr string