Handle Grails 5.0.0-SNAPSHOT string

Extended GrailsVersion and Snapshot classes to property handle string "5.0.0-SNAPSHOT" alongwith "5.0.0.BUILD-SNAPSHOT".
Fixes #1463

Author: puneetbehl

grails-datastore-core/src/main/groovy/org/grails/datastore/mapping/core/grailsversion/GrailsVersion.groovy

@@ -50,12 +50,17 @@ class GrailsVersion implements Comparable<GrailsVersion> {
         String[] parts = version.split("\\.")
         if (parts.length >= 3) {
             this.versionText = version
+            this.major = parts[0].toInteger()
+            this.minor = parts[1].toInteger()
             if (parts.length > 3) {
                 this.snapshot = new Snapshot(parts[3])
+            } else if (parts[2].contains('-')) {
+                String[] subParts = parts[2].split("-")
+                this.patch = subParts.first() as int
+                this.snapshot = new Snapshot(subParts[1..-1].join("-"))
+            } else {
+                this.patch = parts[2].toInteger()
             }
-            this.major = parts[0].toInteger()
-            this.minor = parts[1].toInteger()
-            this.patch = parts[2].toInteger()
         } else {
             throw new IllegalArgumentException("GrailsVersion only supports comparison of versions with 3 or 4 parts")
         }

grails-datastore-core/src/main/groovy/org/grails/datastore/mapping/core/grailsversion/Snapshot.groovy

@@ -12,7 +12,7 @@ import groovy.transform.EqualsAndHashCode
 @EqualsAndHashCode(includes = ['text'])
 class Snapshot implements Comparable<Snapshot> {
 
-    private static final String BUILD_SNAPSHOT = "BUILD-SNAPSHOT"
+    private static final String SNAPSHOT = "SNAPSHOT"
     private static final String RC = "RC"
     private static final String MILESTONE = "M"
 
@@ -32,7 +32,7 @@ class Snapshot implements Comparable<Snapshot> {
     }
 
     boolean isBuildSnapshot() {
-        text == BUILD_SNAPSHOT
+        text.endsWith(SNAPSHOT)
     }
 
     boolean isReleaseCandidate() {