build with latest tag?

build-signal.jenkins

@@ -1,6 +1,8 @@
 def repository = "registry.c.test-chamber-13.lan"
 def repositoryCreds = "harbor-repository-creds"
 
+def workspace
+def latestTag
 def label = "kubernetes-${UUID.randomUUID().toString()}"
 def templateName = "pipeline-worker"
 def outputFile
@@ -22,7 +24,43 @@ podTemplate(
     )
 ) {
     node (label) {
-        def workspace = pwd()
+        stage ('Initalize Jenkins') {
+            steps {
+                script {
+                    workspace = pwd()
+                }
+            }
+        }
+
+        stage ('Get latest Tag') {
+            steps {
+                container ('alpine') {
+                    script {
+                        sh """
+                            if ! command -v curl &> /dev/null; then
+                                apk add --no-cache curl
+                            fi
+                            if ! command -v jq &> /dev/null; then
+                                apk add --no-cache jq
+                            fi
+                        """
+                        latestTag = sh (
+                            script: """
+                                curl \
+                                    --location \
+                                    --silent \
+                                    --fail \
+                                    --request GET \
+                                    --url https://api.github.com/repos/signalapp/Signal-Desktop/releases/latest | \
+                                jq -r 'select(.prerelease == false) | .tag_name[1:]'
+                            """,
+                            returnStdout: true
+                        ).trim()
+                        println("Latest Tag: " + latestTag)
+                    }
+                }
+            }
+        }
 
         stage ("Clone Signal") {
             dir("signal-desktop") {
@@ -30,7 +68,7 @@ podTemplate(
                     $class: "GitSCM",
                     branches: [
                         [
-                            name: "refs/heads/main",
+                            name: "refs/tags/" + latestTag,
                         ],
                     ],
                     userRemoteConfigs: [