Issue 20: Make IndexBuilder print "M file" when adding modified files

Signed-off-by: Jonas Fonseca <fonseca@diku.dk>

src/org/nbgit/client/IndexBuilder.java

@@ -49,6 +49,7 @@
 public class IndexBuilder extends ClientBuilder {
 
     private static String ADDING = "A %s"; // NOI18N
+    private static String UPDATING = "M %s"; // NOI18N
     private static String DELETING = "D %s"; // NOI18N
     private static String MOVING = "R %s -> %s"; // NOI18N
     private final GitIndex index;
@@ -67,7 +68,8 @@ public static IndexBuilder create(File workDir) throws IOException {
     }
 
     public IndexBuilder add(File file) throws IOException {
-        log(ADDING, file);
+        String action = index.getEntry(toPath(file)) == null ? ADDING : UPDATING;
+        log(action, file);
         GitIndex.Entry entry = index.add(repository.getWorkDir(), file);
         entry.setAssumeValid(false);
         return this;

test/unit/data/generators/org.nbgit.client.IndexBuilderTest

@@ -173,3 +173,14 @@ EOF
 	goldendata "$(git ls-files -s)"
 
 end
+
+describe testLog
+
+	index <<EOF
+100644 d2d902de084b7dbc96a762bd05bfc80f9b096a97 0	modified
+EOF
+
+	files modified
+	testfiles .git/index modified
+
+end

test/unit/data/org.nbgit.client.IndexBuilderTest/testLog/default.workdir/modified

@@ -0,0 +1 @@
+modified

test/unit/src/org/nbgit/client/IndexBuilderTest.java

@@ -139,6 +139,7 @@ public void testMoveSupportsExecutable() throws Exception {
     public void testLog() throws Exception {
         String[] expectedMessages = {
             "A add",
+            "M modified",
             "D delete",
             "R from -> to"
         };
@@ -147,6 +148,7 @@ public void testLog() throws Exception {
         IndexBuilder.create(repository).
                 log(logger).
                 add(toWorkDirFile("add")).
+                add(toWorkDirFile("modified")).
                 delete(toWorkDirFile("delete")).
                 move(toWorkDirFile("from"), toWorkDirFile("to"));
         assertEquals(expectedMessages.length, loggerMessages.size());