[MRELEASE-1107] Respect "lineSeparator" also on "mvn release:prepare"

This closes #154

Author: Captain-P-Goldfish

maven-release-plugin/src/main/java/org/apache/maven/plugins/release/AbstractReleaseMojo.java

@@ -257,6 +257,14 @@ public void setPomFileName( String pomFileName )
         this.pomFileName = pomFileName;
     }
 
+    /**
+     * only used for unit tests in which some required values of the project would be null
+     */
+    protected MavenProject getProject()
+    {
+        return this.project;
+    }
+
     /**
      * Gets the list of projects in the build reactor.
      *

maven-release-plugin/src/main/java/org/apache/maven/plugins/release/PrepareReleaseMojo.java

@@ -387,10 +387,7 @@ protected void prepareRelease( boolean generateReleasePoms )
         config.setScmReleaseCommitComment( scmReleaseCommitComment );
         config.setAutoResolveSnapshots( autoResolveSnapshots );
         config.setPinExternals( pinExternals );
-        if ( generateReleasePoms )
-        {
-            config.setLineSeparator( resolveLineSeparator() );
-        }
+        config.setLineSeparator( resolveLineSeparator() );
 
         if ( checkModificationExcludeList != null )
         {

maven-release-plugin/src/test/java/org/apache/maven/plugins/release/PrepareReleaseMojoTest.java

@@ -50,6 +50,7 @@
 import org.apache.maven.shared.release.config.ReleaseDescriptorBuilder;
 import org.apache.maven.shared.release.env.ReleaseEnvironment;
 import org.mockito.ArgumentCaptor;
+import org.mockito.Mockito;
 import org.mockito.invocation.InvocationOnMock;
 import org.mockito.stubbing.Answer;
 
@@ -72,6 +73,7 @@ public void testPrepare()
     {
         File testFile = getTestFile( "target/test-classes/mojos/prepare/prepare.xml" );
         final PrepareReleaseMojo mojo = spy((PrepareReleaseMojo) lookupMojo( "prepare", testFile ));
+        mojo.getProject().setFile(testFile);
         setDefaults( mojo );
         mojo.setBasedir( testFile.getParentFile() );
         mojo.setPomFileName( "pom.xml" );
@@ -127,6 +129,7 @@ public void testPrepareWithExecutionException()
     {
         File testFile = getTestFile( "target/test-classes/mojos/prepare/prepare.xml" );
         final PrepareReleaseMojo mojo = (PrepareReleaseMojo) lookupMojo( "prepare", testFile );
+        mojo.getProject().setFile(testFile);
         setDefaults( mojo );
         mojo.setBasedir( testFile.getParentFile() );
         mojo.setPomFileName( "pom.xml" );
@@ -169,6 +172,7 @@ public void testPrepareWithExecutionFailure()
     {
         File testFile = getTestFile( "target/test-classes/mojos/prepare/prepare.xml" );
         final PrepareReleaseMojo mojo = (PrepareReleaseMojo) lookupMojo( "prepare", testFile );
+        mojo.getProject().setFile(testFile);
         setDefaults( mojo );
         mojo.setBasedir( testFile.getParentFile() );
         mojo.setPomFileName( "pom.xml" );
@@ -211,6 +215,7 @@ public void testLineSeparatorInPrepareWithPom()
     {
         File testFile = getTestFile( "target/test-classes/mojos/prepare/prepare.xml" );
         final PrepareWithPomReleaseMojo mojo = (PrepareWithPomReleaseMojo) lookupMojo( "prepare-with-pom", testFile );
+        mojo.getProject().setFile(testFile);
         setDefaults( mojo );
         setVariableValueToObject( mojo, "generateReleasePoms", Boolean.TRUE );
         mojo.setBasedir( testFile.getParentFile() );
@@ -242,7 +247,43 @@ public List<MavenProject> getProjects()
         testLineSeparator("system", System.lineSeparator(), mojo, mock, times++);
     }
 
-    private void testLineSeparator( String lineSeparator, String expected, PrepareWithPomReleaseMojo mojo,
+    public void testLineSeparatorInPrepare()
+      throws Exception
+    {
+        File testFile = getTestFile( "target/test-classes/mojos/prepare/prepare.xml" );
+        final PrepareReleaseMojo mojo = (PrepareReleaseMojo) lookupMojo( "prepare", testFile );
+        mojo.getProject().setFile(testFile);
+        setDefaults( mojo );
+        mojo.setBasedir( testFile.getParentFile() );
+        mojo.setPomFileName( "pom.xml" );
+        mojo.project.setFile( testFile );
+        mojo.session = new MavenSession( null, null, null, null, null, null, null, null, null )
+        {
+            public Properties getExecutionProperties()
+            {
+                return new Properties();
+            };
+
+            @Override
+            public List<MavenProject> getProjects()
+            {
+                return Collections.singletonList( mojo.project );
+            }
+        };
+
+        ReleaseManager mock = mock( ReleaseManager.class );
+        mojo.setReleaseManager( mock );
+
+        int times = 1;
+        testLineSeparator(null, "\n", mojo, mock, times++);
+        testLineSeparator("source", "\n", mojo, mock, times++);
+        testLineSeparator("cr", "\r", mojo, mock, times++);
+        testLineSeparator("lf", "\n", mojo, mock, times++);
+        testLineSeparator("crlf", "\r\n", mojo, mock, times++);
+        testLineSeparator("system", System.lineSeparator(), mojo, mock, times++);
+    }
+
+    private void testLineSeparator( String lineSeparator, String expected, PrepareReleaseMojo mojo,
                                    ReleaseManager releaseManager, int times )
       throws Exception
     {