feat(clbot): insert Unicode ZWS to avoid pinging users
Change-Id: I732bf6daa01f5b2099c4f4cbdd21a2ceedc79cb1 Reviewed-on: https://cl.tvl.fyi/c/depot/+/385 Reviewed-by: q3k <q3k@q3k.org> Reviewed-by: lukegb <lukegb@tvl.fyi>
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1 changed files with 12 additions and 4 deletions
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@ -63,7 +63,9 @@ func callOnShutdown(f func()) {
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shutdownFuncs = append(shutdownFuncs, f)
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}
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const ignoreBotChar = "\xe2\x80\x8b"
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// Unicode U+200B zero-width-space, to avoid triggering other bots
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// or highlighting people on IRC.
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const zeroWidthSpace = "\u200b"
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func runIRC(ctx context.Context, ircCfg irc.ClientConfig, sendMsg <-chan string) {
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bo := backoffutil.NewDefaultBackOff()
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@ -100,7 +102,7 @@ func runIRC(ctx context.Context, ircCfg irc.ClientConfig, sendMsg <-chan string)
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return
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case msg := <-sendMsg:
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log.Infof("sending message %q to %v", msg, *ircChannel)
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ircClient.Writef("PRIVMSG %s :%s%s", *ircChannel, ignoreBotChar, msg)
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ircClient.Writef("PRIVMSG %s :%s%s", *ircChannel, zeroWidthSpace, msg)
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}
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}
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}()
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@ -132,6 +134,12 @@ func username(p gerritevents.PatchSet) string {
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return "UNKNOWN USER"
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}
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// noping inserts a Unicode zero-width space between the first and rest characters of `user`
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// in an effort to avoid pinging that user on IRC.
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func noping(user string) string {
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return fmt.Sprintf("%s%s%s", user[0], zeroWidthSpace, user[1:])
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}
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func patchSetURL(c gerritevents.Change, p gerritevents.PatchSet) string {
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return fmt.Sprintf("https://cl.tvl.fyi/%d", c.Number)
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}
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@ -190,12 +198,12 @@ func main() {
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if e.Change.Project != "depot" || e.Change.Branch != "master" || e.PatchSet.Number != 1 {
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continue
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}
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parsedMsg = fmt.Sprintf("CL/%d: %q proposed by %s - %s", e.Change.Number, e.Change.Subject, username(e.PatchSet), patchSetURL(e.Change, e.PatchSet))
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parsedMsg = fmt.Sprintf("CL/%d: %q proposed by %s - %s", e.Change.Number, e.Change.Subject, noping(username(e.PatchSet)), patchSetURL(e.Change, e.PatchSet))
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case *gerritevents.ChangeMerged:
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if e.Change.Project != "depot" || e.Change.Branch != "master" {
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continue
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}
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parsedMsg = fmt.Sprintf("CL/%d: %q submitted by %s - %s", e.Change.Number, e.Change.Subject, username(e.PatchSet), patchSetURL(e.Change, e.PatchSet))
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parsedMsg = fmt.Sprintf("CL/%d: %q submitted by %s - %s", e.Change.Number, e.Change.Subject, noping(username(e.PatchSet)), patchSetURL(e.Change, e.PatchSet))
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}
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if parsedMsg != "" {
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sendMsgChan <- parsedMsg
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