Update org.apache.openjpa.revision.properties from SVN to GIT (#50)

Signed-off-by: Will Dazey <dazeydev.3@gmail.com>
diff --git a/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/PCEnhancer.java b/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/PCEnhancer.java
index aa4f60b..a0a9233 100644
--- a/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/PCEnhancer.java
+++ b/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/PCEnhancer.java
@@ -63,7 +63,6 @@
 import org.apache.openjpa.lib.util.Options;
 import org.apache.openjpa.lib.util.Services;
 import org.apache.openjpa.lib.util.StringUtil;
-import org.apache.openjpa.lib.util.svn.SVNUtils;
 import org.apache.openjpa.meta.AccessCode;
 import org.apache.openjpa.meta.ClassMetaData;
 import org.apache.openjpa.meta.FieldMetaData;
@@ -183,8 +182,7 @@
                     in.close();
                 }
             }
-            String prop = revisionProps.getProperty("openjpa.enhancer.revision");
-            rev = SVNUtils.svnInfoToInteger(prop);
+            rev = Integer.parseInt(revisionProps.getProperty("openjpa.enhancer.revision"));
         } catch (Exception e) {
         }
         if (rev > 0) {
diff --git a/openjpa-kernel/src/main/resources/org/apache/openjpa/conf/localizer.properties b/openjpa-kernel/src/main/resources/org/apache/openjpa/conf/localizer.properties
index 1dfd63f..c0eec83 100644
--- a/openjpa-kernel/src/main/resources/org/apache/openjpa/conf/localizer.properties
+++ b/openjpa-kernel/src/main/resources/org/apache/openjpa/conf/localizer.properties
@@ -634,4 +634,4 @@
         "{0}".  Expected type was "{1}".
 
 version-id: version id
-openjpa-revision: Apache svn revision
+openjpa-revision: Apache git revision
diff --git a/openjpa-lib/pom.xml b/openjpa-lib/pom.xml
index 8517f25..d7629f8 100644
--- a/openjpa-lib/pom.xml
+++ b/openjpa-lib/pom.xml
@@ -82,49 +82,42 @@
     <build>
         <plugins>
             <!--
-                create o.a.openjpa.revision.properties with all version
-                including git hash - disabled for now
-                since we need to be able to build from sources
-                zip (when there is no .svn/ metadata)
+                get the git revision number and set it in the git.revision setting - disabled for now
+                since we need to be able to build from sources zip (when there is no .git/config)
             -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-antrun-plugin</artifactId>
                 <executions>
                     <execution>
-                        <id>set subversion revision</id>
+                        <id>set git version</id>
                         <phase>compile</phase>
                         <configuration>
                             <target>
-                                <property name="tmpdir" value="${java.io.tmpdir}/openjpamvntmp" />
-                                <condition property="outdir" value="${project.build.outputDirectory}">
-                                    <available type="dir" file="${project.build.outputDirectory}" />
-                                </condition>
-
-                                <property name="outdir" value="${tmpdir}" />
-
-                                # Write the svn info to a temp file
-                                <echo file="pcenhancer.revision.file" />
-                                <exec output="pcenhancer.revision.file" failonerror="false" failifexecutionfails="false" executable="svn" append="false">
-                                    <arg line="info ../openjpa-kernel/src/main/java/org/apache/openjpa/enhance/PCEnhancer.java" />
+                                <echo>Getting the 'GIT' revision value</echo>
+                                <exec outputproperty="git.revision" failonerror="false" failifexecutionfails="false" executable="git">
+                                    <arg line="rev-parse --short HEAD" />
                                 </exec>
 
-                                # Remove all spaces so we can have a proper key
-                                <replace file="pcenhancer.revision.file" token=" " value="" />
-                                # Load the property file
-                                <property prefix="pcenhancer" file="pcenhancer.revision.file" />
-                                <delete file="pcenhancer.revision.file" />
+                                <echo>Revision: ${git.revision}</echo>
 
-                                <property name="pcenhancer.LastChangedRev" value="-1" />
-                                <echo>Revision: ${buildNumber}</echo>
+                                <echo>Getting the 'PCEnhancer' revision value</echo>
+                                <exec outputproperty="pcenhancer.git.revision" failonerror="false" failifexecutionfails="false" executable="git" append="false">
+                                    <arg line="rev-parse --short HEAD:./../openjpa-kernel/src/main/java/org/apache/openjpa/enhance/PCEnhancer.java" />
+                                </exec>
+                                <echo>openjpa.enhancer.revision=${pcenhancer.git.revision}</echo>
+
                                 <echo>OpenJPA version: ${project.version}</echo>
-
+                                <condition property="outdir" value="${project.build.outputDirectory}" else="${java.io.tmpdir}/openjpamvntmp">
+                                    <available type="dir" file="${project.build.outputDirectory}" />
+                                </condition>
                                 <mkdir dir="${outdir}/META-INF" />
-                                <echo file="${outdir}/META-INF/org.apache.openjpa.revision.properties">revision.number=${buildNumber}
+
+                                <echo file="${outdir}/META-INF/org.apache.openjpa.revision.properties">
+revision.number=${git.revision}
 openjpa.version=${project.version}
-openjpa.enhancer.revision=${pcenhancer.LastChangedRev}
-</echo>
-                                <delete dir="${tmpdir}" />
+openjpa.enhancer.revision=${pcenhancer.git.revision}
+                                </echo>
                             </target>
                         </configuration>
                         <goals>
diff --git a/openjpa-lib/src/main/java/org/apache/openjpa/lib/util/svn/SVNUtils.java b/openjpa-lib/src/main/java/org/apache/openjpa/lib/util/svn/SVNUtils.java
deleted file mode 100644
index 68f0c08..0000000
--- a/openjpa-lib/src/main/java/org/apache/openjpa/lib/util/svn/SVNUtils.java
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.openjpa.lib.util.svn;
-
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-
-public class SVNUtils {
-    static final Pattern fullRevisionPattern = Pattern.compile("(([0-9]*:)?)[0-9]+(([MSms]+)?)");
-    static final Pattern revisionPattern = Pattern.compile("[0-9]+");
-
-    /**
-     * A public worker method that takes the output from running the svnversion command and parses the trailing integer
-     * version out.
-     *
-     * For example: 959691:959709M would return 959709
-     *
-     * @param svninfo
-     * @return The formatted int version, or -1 if svninfo is null or unparsable.
-     */
-    public static int svnInfoToInteger(String svninfo) {
-        if (svninfo == null || fullRevisionPattern.matcher(svninfo).matches() == false) {
-            return -1;
-        }
-        // We only want to look after ":"
-        int index = svninfo.indexOf(":");
-        if(index != -1){
-            svninfo = svninfo.substring(index+1);
-        }
-
-        Matcher matcher = revisionPattern.matcher(svninfo);
-        if(matcher.find()){
-            return Integer.parseInt(matcher.group());
-        }
-
-        return -1;
-    }
-}
diff --git a/openjpa-lib/src/test/java/org/apache/openjpa/lib/util/svn/TestSVNUtils.java b/openjpa-lib/src/test/java/org/apache/openjpa/lib/util/svn/TestSVNUtils.java
deleted file mode 100644
index 402fd57..0000000
--- a/openjpa-lib/src/test/java/org/apache/openjpa/lib/util/svn/TestSVNUtils.java
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.openjpa.lib.util.svn;
-
-
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-
-public class TestSVNUtils  {
-
-    @Test
-    public void testNull() {
-        assertEquals(-1, SVNUtils.svnInfoToInteger(null));
-    }
-
-    @Test
-    public void testBasic() {
-        int i = 12345678;
-        assertEquals(i, SVNUtils.svnInfoToInteger(i + ""));
-    }
-
-    @Test
-    public void testGoodTrailingString() {
-        int i = 12345678;
-        assertEquals(i, SVNUtils.svnInfoToInteger(i + "m"));
-    }
-
-    @Test
-    public void testMixedRevision() {
-        int i = 12345678;
-        assertEquals(i, SVNUtils.svnInfoToInteger("55555:" + i));
-    }
-
-    @Test
-    public void testMixedRevisionTrailingString() {
-        int i = 12345678;
-        assertEquals(i, SVNUtils.svnInfoToInteger("55555:" + i + "MS"));
-    }
-
-    @Test
-    public void testBad() {
-        int i = 12345678;
-        assertEquals(-1, SVNUtils.svnInfoToInteger("55555:aa" + i + "ms"));
-    }
-
-}