[scripts] allow running against basic DB from source.

get_classpath_from_maven(database) now does not alter the project name
before giving it to Maven. main() now calculates the db_dir with core
and uses the core project for Maven, otherwise things work as they did
before.

fixes #336

bin/ycsb

@@ -140,9 +140,9 @@ def is_distribution():
 # presumes maven properly handles system-specific path separators
 def get_classpath_from_maven(database):
     try:
-        debug("Running 'mvn -pl com.yahoo.ycsb:"+database+"-binding -am package -DskipTests "
+        debug("Running 'mvn -pl com.yahoo.ycsb:"+database+" -am package -DskipTests "
               "dependency:build-classpath -DincludeScope=compile -Dmdep.outputFilterFile=true'")
-        mvn_output = subprocess.check_output(["mvn", "-pl", "com.yahoo.ycsb:"+database+"-binding",
+        mvn_output = subprocess.check_output(["mvn", "-pl", "com.yahoo.ycsb:" + database,
                                               "-am", "package", "-DskipTests",
                                               "dependency:build-classpath",
                                               "-DincludeScope=compile",
@@ -200,12 +200,14 @@ def main():
         warn("Running against a source checkout. In order to get our runtime "
              "dependencies we'll have to invoke Maven. Depending on the state "
              "of your system, this may take ~30-45 seconds")
-        db_dir = os.path.join(ycsb_home, binding)
+        db_location = "core" if binding == "basic" else binding
+        project = "core" if binding == "basic" else binding + "-binding"
+        db_dir = os.path.join(ycsb_home, db_location)
         # goes first so we can rely on side-effect of package
-        maven_says = get_classpath_from_maven(binding)
+        maven_says = get_classpath_from_maven(project)
         # TODO when we have a version property, skip the glob
         cp = find_jars(os.path.join(db_dir, "target"),
-                       binding + "-binding*.jar")
+                       project + "*.jar")
         # alredy in jar:jar:jar form
         cp.append(maven_says)
     cp.insert(0, os.path.join(db_dir, "conf"))