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Fix #1039: messages sent to Slack being synced back (#1046)

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This is a regression from https://github.com/42wim/matterbridge/pull/581#issuecomment-562937576

Behaves the same as 95190f11bf
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Qais Patankar 2020-03-21 19:12:30 +00:00 committed by GitHub
parent 6b017b226a
commit 0951e75c85
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1 changed files with 2 additions and 1 deletions
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3
bridge/slack/slack.go
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@ -498,7 +498,8 @@ func (b *Bslack) prepareMessageOptions(msg *config.Message) []slack.MsgOption {
var attachments []slack.Attachment
// add a callback ID so we can see we created it
attachments = append(attachments, slack.Attachment{CallbackID: "matterbridge_" + b.uuid})
const zeroWidthSpace = "\u200b"
attachments = append(attachments, slack.Attachment{CallbackID: "matterbridge_" + b.uuid, Fallback: zeroWidthSpace})
// add file attachments
attachments = append(attachments, b.createAttach(msg.Extra)...)
// add slack attachments (from another slack bridge)