3 files changed, 12 insertions, 4 deletions
diff --git a/sci-physics/espresso++/metadata.xml b/sci-physics/espresso++/metadata.xml
index ee9feacef4f8..2f202fc50eda 100644
--- a/sci-physics/espresso++/metadata.xml
+++ b/sci-physics/espresso++/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version='1.0' encoding='UTF-8'?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<herd>sci-physics</herd>
@@ -6,4 +6,7 @@
 		<email>ottxor@gentoo.org</email>
 		<name>Christoph Junghans</name>
 	</maintainer>
+	<upstream>
+		<remote-id type="bitbucket">espressopp/espressopp</remote-id>
+	</upstream>
 </pkgmetadata>
diff --git a/sci-physics/hoomd-blue/metadata.xml b/sci-physics/hoomd-blue/metadata.xml
index 8dd7ec69a8a1..89ca6381a77d 100644
--- a/sci-physics/hoomd-blue/metadata.xml
+++ b/sci-physics/hoomd-blue/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version='1.0' encoding='UTF-8'?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
   <herd>sci-chemistry</herd>
@@ -9,4 +9,7 @@
   <use>
     <flag name="cuda">Enable cuda non-bonded kernels</flag>
   </use>
+  <upstream>
+    <remote-id type="bitbucket">glotzer/hoomd-blue</remote-id>
+  </upstream>
 </pkgmetadata>
diff --git a/sci-physics/sassena/metadata.xml b/sci-physics/sassena/metadata.xml
index 277a0627f0dd..fb807daf7a9c 100644
--- a/sci-physics/sassena/metadata.xml
+++ b/sci-physics/sassena/metadata.xml
@@ -1,9 +1,11 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version='1.0' encoding='UTF-8'?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<maintainer>
 		<email>alexxy@gentoo.org</email>
 		<name>Alexey Shvetsov</name>
 	</maintainer>
+	<upstream>
+		<remote-id type="github">benlabs/sassena</remote-id>
+	</upstream>
 </pkgmetadata>
-