Ignore commented lines (prefixed with --) in the migration scripts

.gitignore

@@ -7,3 +7,5 @@ release.properties
 dependency-reduced-pom.xml
 buildNumber.properties
 .mvn/timing.properties
+.idea
+*.iml

src/main/java/org/cognitor/cassandra/migration/MigrationRepository.java

@@ -180,7 +180,7 @@ private String readResourceFileAsString(String resourceName, ClassLoader classLo
         StringBuilder fileContent = new StringBuilder(256);
         new BufferedReader(
                 new InputStreamReader(classLoader.getResourceAsStream(resourceName), SCRIPT_ENCODING))
-                    .lines().forEach(fileContent::append);
+                    .lines().filter(s -> !s.startsWith("--")).forEach(fileContent::append);
         return fileContent.toString();
     }
 

src/test/java/org/cognitor/cassandra/migration/MigrationRepositoryTest.java

@@ -77,4 +77,10 @@ public void shouldReturnCorrectVersionNumberWhenPathWithLeadingSlashGiven() {
         assertThat(repository.getLatestVersion(), is(equalTo(0)));
     }
 
+    @Test
+    public void shouldIgnoreComments() {
+        List<DbMigration> scripts = migrationRepository.getMigrationsSinceVersion(1);
+        assertThat(scripts.get(0).getMigrationScript().contains("--"), is(false));
+    }
+
 }

src/test/resources/cassandra/migrationtest/successful/002_add_events_table.cql

@@ -1 +1,2 @@
+--This is a comment
 CREATE TABLE EVENTS (event_id uuid primary key, event_name varchar);