diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/gitrepo/BareSuperprojectWriterTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/gitrepo/BareSuperprojectWriterTest.java
index d52292dc9..17fc8db35 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/gitrepo/BareSuperprojectWriterTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/gitrepo/BareSuperprojectWriterTest.java
@@ -50,7 +50,7 @@ public void write_setGitModulesContents() throws Exception {
 
 			BareSuperprojectWriter w = new BareSuperprojectWriter(bareRepo,
 					null, "refs/heads/master", author, mockRemoteReader,
-					BareWriterConfig.getDefault());
+					BareWriterConfig.getDefault(), List.of());
 
 			RevCommit commit = w.write(Arrays.asList(repoProject));
 
@@ -66,6 +66,31 @@ public void write_setGitModulesContents() throws Exception {
 		}
 	}
 
+	@Test
+	public void write_setExtraContents() throws Exception {
+		try (Repository bareRepo = createBareRepository()) {
+			RepoProject repoProject = new RepoProject("subprojectX", "path/to",
+					"refs/heads/branch-x", "remote", "");
+			repoProject.setUrl("http://example.com/a");
+
+			RemoteReader mockRemoteReader = mock(RemoteReader.class);
+			when(mockRemoteReader.sha1("http://example.com/a",
+					"refs/heads/branch-x"))
+							.thenReturn(ObjectId.fromString(SHA1_A));
+
+			BareSuperprojectWriter w = new BareSuperprojectWriter(bareRepo,
+					null, "refs/heads/master", author, mockRemoteReader,
+					BareWriterConfig.getDefault(),
+					List.of(new BareSuperprojectWriter.ExtraContent("x",
+							"extra-content")));
+
+			RevCommit commit = w.write(Arrays.asList(repoProject));
+
+			String contents = readContents(bareRepo, commit, "x");
+			assertThat(contents, is("extra-content"));
+		}
+	}
+
 	private String readContents(Repository repo, RevCommit commit,
 			String path) throws Exception {
 		String idStr = commit.getId().name() + ":" + path;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/BareSuperprojectWriter.java b/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/BareSuperprojectWriter.java
index d6482968f..e6626aece 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/BareSuperprojectWriter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/BareSuperprojectWriter.java
@@ -71,6 +71,8 @@ class BareSuperprojectWriter {
 
 	private final PersonIdent author;
 
+	private List<ExtraContent> extraContents;
+
 	static class BareWriterConfig {
 		boolean ignoreRemoteFailures = false;
 
@@ -88,10 +90,22 @@ private BareWriterConfig() {
 		}
 	}
 
+	static class ExtraContent {
+		final String path;
+
+		final String content;
+
+		ExtraContent(String path, String content) {
+			this.path = path;
+			this.content = content;
+		}
+	}
+
 	BareSuperprojectWriter(Repository repo, URI targetUri,
 			String targetBranch,
 			PersonIdent author, RemoteReader callback,
-			BareWriterConfig config) {
+			BareWriterConfig config,
+			List<ExtraContent> extraContents) {
 		assert (repo.isBare());
 		this.repo = repo;
 		this.targetUri = targetUri;
@@ -99,6 +113,7 @@ private BareWriterConfig() {
 		this.author = author;
 		this.callback = callback;
 		this.config = config;
+		this.extraContents = extraContents;
 	}
 
 	RevCommit write(List<RepoProject> repoProjects)
@@ -244,6 +259,16 @@ private void prepareIndex(List<RepoProject> projects, DirCache index,
 			builder.add(dcEntryAttr);
 		}
 
+		for (ExtraContent ec : extraContents) {
+			DirCacheEntry extraDcEntry = new DirCacheEntry(ec.path);
+
+			ObjectId oid = inserter.insert(Constants.OBJ_BLOB,
+					ec.content.getBytes(UTF_8));
+			extraDcEntry.setObjectId(oid);
+			extraDcEntry.setFileMode(FileMode.REGULAR_FILE);
+			builder.add(extraDcEntry);
+		}
+
 		builder.finish();
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java
index 30b862673..6e943e5d3 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java
@@ -28,6 +28,7 @@
 import org.eclipse.jgit.api.GitCommand;
 import org.eclipse.jgit.api.errors.GitAPIException;
 import org.eclipse.jgit.api.errors.InvalidRefNameException;
+import org.eclipse.jgit.gitrepo.BareSuperprojectWriter.ExtraContent;
 import org.eclipse.jgit.gitrepo.ManifestParser.IncludedFileReader;
 import org.eclipse.jgit.gitrepo.internal.RepoText;
 import org.eclipse.jgit.internal.JGitText;
@@ -79,6 +80,8 @@ public class RepoCommand extends GitCommand<RevCommit> {
 
 	private ProgressMonitor monitor;
 
+	private final List<ExtraContent> extraContents = new ArrayList<>();
+
 	/**
 	 * A callback to get ref sha1 of a repository from its uri.
 	 *
@@ -509,6 +512,22 @@ public RepoCommand setIncludedFileReader(IncludedFileReader reader) {
 		return this;
 	}
 
+	/**
+	 * Create a file with the given content in the destination repository
+	 *
+	 * @param path
+	 *            where to create the file in the destination repository
+	 * @param contents
+	 *            content for the create file
+	 * @return this command
+	 *
+	 * @since 6.1
+	 */
+	public RepoCommand addToDestination(String path, String contents) {
+		this.extraContents.add(new ExtraContent(path, contents));
+		return this;
+	}
+
 	/** {@inheritDoc} */
 	@Override
 	public RevCommit call() throws GitAPIException {
@@ -550,7 +569,7 @@ public RevCommit call() throws GitAPIException {
 					targetBranch,
 					author == null ? new PersonIdent(repo) : author,
 					callback == null ? new DefaultRemoteReader() : callback,
-					bareWriterConfig);
+					bareWriterConfig, extraContents);
 			return writer.write(renamedProjects);
 		}
 
@@ -663,5 +682,4 @@ static URI relativize(URI current, URI target) {
 		return URI.create(j.toString());
 	}
 
-
 }