jicofo: add passthru.updateScript

pkgs/servers/jibri/default.nix

@@ -24,6 +24,8 @@ stdenv.mkDerivation rec {
     runHook postInstall
   '';
 
+  passthru.updateScript = ./update.sh;
+
   meta = with lib; {
     description = "JItsi BRoadcasting Infrastructure";
     longDescription = ''

pkgs/servers/jibri/update.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl pup common-updater-scripts
+
+set -eu -o pipefail
+
+version="$(curl https://download.jitsi.org/stable/ | \
+    pup 'a[href] text{}' | \
+    awk -F'[_-]' '/jibri/ {printf $2"-"$3"-"$4"\n"}' | \
+    sort -u | \
+    tail -n 1)"
+
+update-source-version jibri "$version"