Update script

Author: yziubrytska-wise

build.gradle

@@ -172,16 +172,13 @@ task tagRelease {
 task validateVersion {
     doLast {
         def tagName = "v$version"
-        def remoteTags = grgit.lsremote(tags: true).keySet().collect { it.toString() }
-        def remoteHasTag = remoteTags.any { it.endsWith("/${tagName}") || it == tagName }
+        def remoteTags = grgit.lsremote(tags: true)
+
+        def refName = "refs/tags/${tagName}"
+        def remoteHasTag = remoteTags.keySet().any { ref -> ref.fullName == refName }
+
         if (remoteHasTag) {
-            throw new GradleException("""
-                |=============================================
-                | ERROR: Tag ${tagName} already exists!
-                |
-                | Please bump the version in gradle.properties
-                |=============================================
-            """.stripMargin())
+            throw new GradleException("Tag ${tagName} already exists. Bump the version in gradle.properties.")
         }
         logger.lifecycle("✓ Version ${version} is valid (tag ${tagName} does not exist yet)")
     }