duplicati: add livecheck (#97381)

.github/workflows/ci.yml

@@ -80,6 +80,8 @@ jobs:
           if ! brew untap adoptopenjdk/openjdk; then
             echo '::warning::Untapping adoptopenjdk/openjdk is no longer necessary.'
           fi
+
+          brew unlink python && brew link --overwrite python
         if: runner.os == 'macOS'
 
       # Workaround until the `cache` action uses the changes from

Casks/duplicati.rb

@@ -1,14 +1,21 @@
 cask "duplicati" do
-  version "2.0.5.1,2020-01-18"
-  sha256 "38509531cc9a007b98527af604f9a5faeb41b9221a79c7bd36e8846a32f1fda0"
+  version "2.0.5.111,canary:2020-09-26"
+  sha256 "98a62f67337e0db74c0ce86082d98a0670d269e367090bc2cc3f9ad5e7e8a46b"
 
-  url "https://github.com/duplicati/duplicati/releases/download/v#{version.before_comma}-#{version.before_comma}_beta_#{version.after_comma}/duplicati-#{version.before_comma}_beta_#{version.after_comma}.dmg",
+  url "https://github.com/duplicati/duplicati/releases/download/v#{version.before_comma}-#{version.before_comma}_#{version.after_comma.before_colon}_#{version.after_colon}/duplicati-#{version.before_comma}_#{version.after_comma.before_colon}_#{version.after_colon}.dmg",
       verified: "github.com/duplicati/duplicati/"
-  appcast "https://github.com/duplicati/duplicati/releases.atom"
   name "Duplicati"
   desc "Store securely encrypted backups in the cloud!"
   homepage "https://www.duplicati.com/"
 
+  livecheck do
+    url "https://github.com/duplicati/duplicati/releases/latest"
+    strategy :page_match do |page|
+      match = page.match(%r{href=.*?/duplicati-(\d+(?:\.\d+)*)_([^/]*?)_(\d+(?:-\d+)*)\.dmg}i)
+      "#{match[1]},#{match[2]}:#{match[3]}"
+    end
+  end
+
   depends_on formula: "mono"
 
   app "Duplicati.app"

audit_exceptions/github_prerelease_allowlist.json

@@ -1,4 +1,5 @@
 {
+  "duplicati": "all",
   "extraterm": "all",
   "freetube": "all",
   "graphsketcher": "all",