Added -Ddatabase.classpath and -Ddatabase.driver Also available in da…

…tabase.properties driver= classpath=

howto.md

@@ -6,22 +6,30 @@ To use groovy-liquibase you'll need [Gradle](http://www.gradle.org/).
 2)  Command line $:  gradle build
 
 3)  You have two options to set configuration:
+    Database connection is also configured in liquibase.gradle on runtime (default mysql)
+
 	1   Create file database.properties
 
             #database.properties 
 
-            url: "yourDatabaseUrl"
-            username: "yourDatabaseUser"
-            password: "yourPassword"
+            url: yourDatabaseUrl
+            username: yourDatabaseUser
+            password: yourPassword
             change.log.file: changelog.groovy
+	    working.dir: path  (OPTIONEEL)
+	    classpath: driver.jar  (OPTIONEEL)
+	    driver: driverclass oracle.jdbc.OracleDriver  (OPTIONEEL)
 
 	2   Use system configurations at each command
 
 	    gradle -q -b liquibase.gradle update \
 		-Ddatabase.url=jdbc:mysql://localhost/test \
 		-Ddatabase.username=root \
 		-Ddatabase.password=admin \
-		-Dchange.log.file=changelog.groovy   
+		-Dchange.log.file=changelog.groovy \
+		-Dworking.dir=changelog.groovy \  (OPTIONEEL)
+		-Ddatabase.driver=changelog.groovy     (OPTIONEEL)
+		-Ddatabase.classpath=changelog.groovy     (OPTIONEEL)
 
 4)  change.log.file is the master file where all the database changes are located.
 

liquibase.gradle

@@ -27,6 +27,8 @@ database.username = System.properties['database.username'] ?: properties.usernam
 database.password = System.properties['database.password'] ?: properties.password
 database.changeLogFile = System.properties['change.log.file'] ?: properties['change.log.file']
 database.workingDir = System.properties['working.dir'] ?: properties['working.dir']
+database.classpath = System.properties['database.classpath'] ?: properties['classpath']
+database.driver = System.properties['database.driver'] ?: properties['driver']
 
 
 task generateChangeLog << {
@@ -170,11 +172,18 @@ def runLiquibase(String command) {
 }
 
 def runLiquibase(List argList) {
-  def stdArgs = ["--url=${project.database.url}", "--username=${project.database.username}", "--password=${project.database.password}"]
+  def contexts = System.properties['liquibase.contexts']
+  def stdArgs = ["--url=${project.database.url}", "--username=${project.database.username}", "--password=${project.database.password}""]
+  
   if(project.database.changeLogFile) {
     stdArgs << "--changeLogFile=${project.database.changeLogFile}"
   }
-  def contexts = System.properties['liquibase.contexts']
+  if(project.database.driver) {
+    stdArgs << "--driver=${project.database.driver}"
+  }
+  if(project.database.classpath) {
+    stdArgs << "--classpath=${project.database.classpath}"
+  }
   if(contexts) {
     stdArgs << "--contexts=${contexts}"
   }