diff --git a/fix-xmvn-pomless-builddep.patch b/fix-xmvn-pomless-builddep.patch
new file mode 100644
index 0000000..9ddbd13
--- /dev/null
+++ b/fix-xmvn-pomless-builddep.patch
@@ -0,0 +1,107 @@
+From d33893c3e3ea8f4be7636439a8f9011bb179a8e9 Mon Sep 17 00:00:00 2001
+Date: Mon, 13 Jun 2016 13:14:03 +0200
+Subject: [PATCH] Set location for pomless models
+
+Core Maven model reader sets location and some tools depend on these
+values.  These tools won't work with tycho-pomless unless it also sets
+the location.
+
+Change-Id: I4da47c995c1333db0bb0ddb31f7309b08bf5ff39
+---
+
+diff --git a/tycho-pomless/src/main/java/org/eclipse/tycho/pomless/TychoModelReader.java b/tycho-pomless/src/main/java/org/eclipse/tycho/pomless/TychoModelReader.java
+index 349c776..e8a4f92 100644
+--- a/tycho-pomless/src/main/java/org/eclipse/tycho/pomless/TychoModelReader.java
++++ b/tycho-pomless/src/main/java/org/eclipse/tycho/pomless/TychoModelReader.java
+@@ -26,6 +26,8 @@
+ import javax.xml.parsers.DocumentBuilderFactory;
+ import javax.xml.parsers.ParserConfigurationException;
+ 
++import org.apache.maven.model.InputLocation;
++import org.apache.maven.model.InputSource;
+ import org.apache.maven.model.Build;
+ import org.apache.maven.model.Model;
+ import org.apache.maven.model.Parent;
+@@ -90,6 +92,7 @@
+         String bundleVersion = getRequiredHeaderValue("Bundle-Version", headers, manifestFile);
+         model.setVersion(getPomVersion(bundleVersion));
+         model.setPackaging(getPackagingType(bundleSymbolicName));
++        setLocation(model, manifestFile);
+         return model;
+     }
+ 
+@@ -150,6 +153,7 @@
+         }
+         model.setVersion(getPomVersion(versionNode.getValue()));
+         // groupId is inherited from parent pom
++        setLocation(model, xmlFile);
+         return model;
+     }
+ 
+@@ -247,4 +251,11 @@
+         parentReference.setVersion(version);
+         return parentReference;
+     }
++
++    private void setLocation(Model model, File modelSource) {
++        InputSource inputSource = new InputSource();
++        inputSource.setLocation(modelSource.toString());
++        inputSource.setModelId(model.getParent().getGroupId() + ":" + model.getArtifactId() + ":" + model.getVersion());
++        model.setLocation("", new InputLocation(0, 0, inputSource));
++    }
+ }
+diff --git a/tycho-pomless/src/test/java/org/eclipse/tycho/pomless/TychoModelReaderTest.java b/tycho-pomless/src/test/java/org/eclipse/tycho/pomless/TychoModelReaderTest.java
+index 05cf0c2..a40e738 100644
+--- a/tycho-pomless/src/test/java/org/eclipse/tycho/pomless/TychoModelReaderTest.java
++++ b/tycho-pomless/src/test/java/org/eclipse/tycho/pomless/TychoModelReaderTest.java
+@@ -19,6 +19,8 @@
+ import java.util.HashMap;
+ import java.util.Map;
+ 
++import org.apache.maven.model.InputLocation;
++import org.apache.maven.model.InputSource;
+ import org.apache.maven.model.Model;
+ import org.apache.maven.model.Parent;
+ import org.apache.maven.model.building.ModelProcessor;
+@@ -45,6 +47,7 @@
+         assertEquals("0.1.0-SNAPSHOT", model.getVersion());
+         assertEquals("eclipse-plugin", model.getPackaging());
+         assertParent(model.getParent());
++        assertLocation("bundle1/META-INF/MANIFEST.MF", model.getLocation(""));
+     }
+ 
+     @Test
+@@ -55,6 +58,7 @@
+         assertEquals("1.0.1", model.getVersion());
+         assertEquals("eclipse-test-plugin", model.getPackaging());
+         assertParent(model.getParent());
++        assertLocation("bundle1.tests/META-INF/MANIFEST.MF", model.getLocation(""));
+     }
+ 
+     @Test
+@@ -65,6 +69,7 @@
+         assertEquals("1.0.0-SNAPSHOT", model.getVersion());
+         assertEquals("eclipse-feature", model.getPackaging());
+         assertParent(model.getParent());
++        assertLocation("feature/feature.xml", model.getLocation(""));
+     }
+ 
+     @Test
+@@ -204,6 +209,17 @@
+         assertEquals("0.0.1-SNAPSHOT", parent.getVersion());
+     }
+ 
++    private void assertLocation(String expectedLocation, InputLocation location) {
++        assertNotNull(location);
++        assertEquals(0, location.getLineNumber());
++        assertEquals(0, location.getColumnNumber());
++        InputSource source = location.getSource();
++        assertNotNull(source);
++        assertEquals(new File(getPolyglotTestDir(), expectedLocation).toString(), source.getLocation());
++        assertNotNull(source.getModelId());
++        assertTrue(source.getModelId().matches("^testParent.groupId:.*:.*"));
++    }
++
+     private Map<String, String> createReaderOptions(File buildProperties) {
+         Map<String, String> options = new HashMap<>();
+         options.put(ModelProcessor.SOURCE, buildProperties.getAbsolutePath());
diff --git a/org.eclipse.tycho.extras-tycho-extras-1.3.0.tar.xz b/org.eclipse.tycho.extras-tycho-extras-1.3.0.tar.xz
new file mode 100644
index 0000000..ebc1343
Binary files /dev/null and b/org.eclipse.tycho.extras-tycho-extras-1.3.0.tar.xz differ
diff --git a/tycho-extras-fix-build.patch b/tycho-extras-fix-build.patch
new file mode 100644
index 0000000..6ccfef3
--- /dev/null
+++ b/tycho-extras-fix-build.patch
@@ -0,0 +1,31 @@
+diff --git a/tycho-source-feature-plugin/src/main/java/org/eclipse/tycho/extras/sourcefeature/SourceFeatureMojo.java b/tycho-source-feature-plugin/src/main/java/org/eclipse/tycho/extras/sourcefeature/SourceFeatureMojo.java
+index 05baf87..2c62fb0 100644
+--- a/tycho-source-feature-plugin/src/main/java/org/eclipse/tycho/extras/sourcefeature/SourceFeatureMojo.java
++++ b/tycho-source-feature-plugin/src/main/java/org/eclipse/tycho/extras/sourcefeature/SourceFeatureMojo.java
+@@ -549,15 +549,19 @@ public class SourceFeatureMojo extends AbstractMojo {
+     }
+ 
+     private String getAttribute(PlexusConfiguration dom, String attrName) {
+-        String attr = dom.getAttribute(attrName);
+-        if (attr == null) {
+-            return null;
+-        }
+-        attr = attr.trim();
+-        if (attr.length() == 0) {
++        try {
++            String attr = dom.getAttribute(attrName);
++            if (attr == null) {
++                return null;
++            }
++            attr = attr.trim();
++            if (attr.length() == 0) {
++                return null;
++            }
++            return attr;
++        } catch (Exception e) {
+             return null;
+         }
+-        return attr;
+     }
+ 
+ }
diff --git a/tycho-extras.spec b/tycho-extras.spec
new file mode 100644
index 0000000..3f97aaf
--- /dev/null
+++ b/tycho-extras.spec
@@ -0,0 +1,64 @@
+%global xmvn_libdir %(realpath $(dirname $(readlink -f $(which xmvn)))/../lib)
+Name:                tycho-extras
+Version:             1.3.0
+Release:             1
+Summary:             Additional plugins for Tycho
+License:             EPL-1.0
+URL:                 http://eclipse.org/tycho/
+Source0:             http://git.eclipse.org/c/tycho/org.eclipse.tycho.extras.git/snapshot/org.eclipse.tycho.extras-tycho-extras-%{version}.tar.xz
+Patch0:              %{name}-fix-build.patch
+Patch1:              fix-xmvn-pomless-builddep.patch
+BuildArch:           noarch
+ExcludeArch:         s390 %{arm} %{ix86}
+BuildRequires:       maven-local mvn(io.takari.polyglot:polyglot-common)
+BuildRequires:       mvn(org.apache.commons:commons-lang3) mvn(org.apache.maven:maven-archiver)
+BuildRequires:       mvn(org.apache.maven:maven-core) mvn(org.apache.maven:maven-model)
+BuildRequires:       mvn(org.apache.maven:maven-model-builder)
+BuildRequires:       mvn(org.apache.maven:maven-plugin-api)
+BuildRequires:       mvn(org.apache.maven.plugins:maven-plugin-plugin)
+BuildRequires:       mvn(org.apache.maven.plugins:maven-source-plugin)
+BuildRequires:       mvn(org.apache.maven.plugin-tools:maven-plugin-annotations)
+BuildRequires:       mvn(org.codehaus.plexus:plexus-component-metadata)
+BuildRequires:       mvn(org.eclipse.jgit:org.eclipse.jgit)
+BuildRequires:       mvn(org.eclipse.sisu:org.eclipse.sisu.plexus)
+BuildRequires:       mvn(org.eclipse.tycho:org.eclipse.tycho.core.shared)
+BuildRequires:       mvn(org.eclipse.tycho:org.eclipse.tycho.p2.resolver.shared)
+BuildRequires:       mvn(org.eclipse.tycho:sisu-equinox-launching) mvn(org.eclipse.tycho:tycho-core)
+BuildRequires:       mvn(org.eclipse.tycho:tycho-p2-facade)
+BuildRequires:       mvn(org.eclipse.tycho:tycho-packaging-plugin)
+%description
+A small set of plugins that work with Tycho to provide additional functionality
+when building projects of an OSGi nature.
+
+%package javadoc
+Summary:             Java docs for %{name}
+%description javadoc
+This package contains the API documentation for %{name}.
+
+%prep
+%setup -q -n org.eclipse.tycho.extras-tycho-extras-%{version}
+%patch0 -p1
+%patch1 -p1
+%pom_remove_plugin :maven-site-plugin
+%pom_remove_plugin org.eclipse.m2e:lifecycle-mapping
+%pom_remove_plugin org.sonatype.plugins:maven-properties-plugin tycho-p2-extras-plugin
+%pom_remove_dep org.apache.maven:apache-maven tycho-p2-extras-plugin
+%mvn_alias :{*} org.eclipse.tycho:@1
+
+%build
+%mvn_build -f
+
+%install
+%mvn_install
+install -d -m 755 %{buildroot}%{xmvn_libdir}/ext/
+ln -s %{_javadir}/%{name}/tycho-pomless.jar %{buildroot}%{xmvn_libdir}/ext/
+ln -s %{_javadir}/tesla-polyglot/polyglot-common.jar %{buildroot}%{xmvn_libdir}/ext/
+
+%files -f .mfiles
+%{xmvn_libdir}/ext/*
+
+%files javadoc -f .mfiles-javadoc
+
+%changelog
+* Wed Aug 19 2020 maminjie <maminjie1@huawei.com> - 1.3.0-1
+- package init
diff --git a/tycho-extras.yaml b/tycho-extras.yaml
new file mode 100644
index 0000000..f3f9d27
--- /dev/null
+++ b/tycho-extras.yaml
@@ -0,0 +1,4 @@
+version_control: github
+src_repo: eclipse/tycho.extras
+tag_prefix: "tycho-extras-"
+seperator: "."