2 files changed, 23 insertions, 7 deletions

diff --git a/app/src/main/java/com/zeapo/pwdstore/git/GitAsyncTask.java b/app/src/main/java/com/zeapo/pwdstore/git/GitAsyncTask.java
index 42984338..f2e689d9 100644
--- a/app/src/main/java/com/zeapo/pwdstore/git/GitAsyncTask.java
+++ b/app/src/main/java/com/zeapo/pwdstore/git/GitAsyncTask.java
@@ -7,7 +7,9 @@ import android.os.AsyncTask;
 import com.zeapo.pwdstore.PasswordStore;
 import com.zeapo.pwdstore.R;
 
+import org.eclipse.jgit.api.CommitCommand;
 import org.eclipse.jgit.api.GitCommand;
+import org.eclipse.jgit.api.StatusCommand;
 
 
 public class GitAsyncTask extends AsyncTask<GitCommand, Integer, String> {
@@ -33,10 +35,21 @@ public class GitAsyncTask extends AsyncTask<GitCommand, Integer, String> {
     }
 
     @Override
-    protected String doInBackground(GitCommand... cmd) {
-        for (GitCommand aCmd : cmd) {
+    protected String doInBackground(GitCommand... commands) {
+        Integer nbChanges = null;
+        for (GitCommand command : commands) {
             try {
-                aCmd.call();
+                if (command instanceof StatusCommand) {
+                    // in case we have changes, we want to keep track of it
+                    nbChanges = ((StatusCommand) command).call().getChanged().size();
+                } else if (command instanceof CommitCommand) {
+                    // the previous status will eventually be used to avoid a commit
+                    if (nbChanges == null || nbChanges > 0)
+                        command.call();
+                } else {
+                    command.call();
+                }
+
             } catch (Exception e) {
                 e.printStackTrace();
                 return e.getMessage() + "\nCaused by:\n" + e.getCause();
@@ -49,8 +62,7 @@ public class GitAsyncTask extends AsyncTask<GitCommand, Integer, String> {
         if (this.dialog != null)
             try {
                 this.dialog.dismiss();
-            } catch (Exception e)
-            {
+            } catch (Exception e) {
                 // ignore
             }
 
diff --git a/app/src/main/java/com/zeapo/pwdstore/git/SyncOperation.java b/app/src/main/java/com/zeapo/pwdstore/git/SyncOperation.java
index 6c7e637d..b5c0e6d2 100644
--- a/app/src/main/java/com/zeapo/pwdstore/git/SyncOperation.java
+++ b/app/src/main/java/com/zeapo/pwdstore/git/SyncOperation.java
@@ -11,11 +11,13 @@ import org.eclipse.jgit.api.CommitCommand;
 import org.eclipse.jgit.api.Git;
 import org.eclipse.jgit.api.PullCommand;
 import org.eclipse.jgit.api.PushCommand;
+import org.eclipse.jgit.api.StatusCommand;
 
 import java.io.File;
 
 public class SyncOperation extends GitOperation {
     protected AddCommand addCommand;
+    protected StatusCommand statusCommand;
     protected CommitCommand commitCommand;
     protected PullCommand pullCommand;
     protected PushCommand pushCommand;
@@ -32,11 +34,13 @@ public class SyncOperation extends GitOperation {
 
     /**
      * Sets the command
+     *
      * @return the current object
      */
     public SyncOperation setCommands() {
         Git git = new Git(repository);
-        this.addCommand = git.add().addFilepattern(".");
+        this.addCommand = git.add().setUpdate(true).addFilepattern(".");
+        this.statusCommand = git.status();
         this.commitCommand = git.commit().setMessage("[Android Password Store] Sync");
         this.pullCommand = git.pull().setRebase(true).setRemote("origin");
         this.pushCommand = git.push().setPushAll().setRemote("origin");
@@ -49,7 +53,7 @@ public class SyncOperation extends GitOperation {
             this.pullCommand.setCredentialsProvider(this.provider);
             this.pushCommand.setCredentialsProvider(this.provider);
         }
-        new GitAsyncTask(callingActivity, true, false, this).execute(this.addCommand, this.commitCommand, this.pullCommand, this.pushCommand);
+        new GitAsyncTask(callingActivity, true, false, this).execute(this.addCommand, this.statusCommand, this.commitCommand, this.pullCommand, this.pushCommand);
     }
 
     @Override