Merge branch 'stable-2.8'

* stable-2.8:
  Update replication plugin
  Enable creating new branch and push local new commits in one step.
  Add Implementation-Vendor default manifest entry
  Fix incompatibility between "Rebase if Necessary" and "copy*Score*"
  Fix submit rule evaluation for non blocking labels
  Set uploader to current user in "patchset-created" event upon rebasing
  Guard against diff.mnemonicprefix in commit-msg hook

Conflicts:
	gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/change/BUCK
	gerrit-extension-api/src/main/java/com/google/gerrit/extensions/api/changes/AddReviewerInput.java
	gerrit-server/src/main/java/com/google/gerrit/server/change/ChangeJson.java
	gerrit-server/src/main/java/com/google/gerrit/server/git/strategy/RebaseIfNecessary.java

Change-Id: Ie59a530fe2c0fe66244d010e01e3cdf41de150f0

gerrit-server/src/main/java/com/google/gerrit/server/change/PatchSetInserter.java

@@ -104,6 +104,7 @@ public class PatchSetInserter {
   private boolean draft;
   private boolean runHooks;
   private boolean sendMail;
+  private Account.Id uploader;
 
   @Inject
   public PatchSetInserter(ChangeHooks hooks,
@@ -205,6 +206,11 @@ public class PatchSetInserter {
     return this;
   }
 
+  public PatchSetInserter setUploader(Account.Id uploader) {
+    this.uploader = uploader;
+    return this;
+  }
+
   public Change insert() throws InvalidChangeOperationException, OrmException,
       IOException {
     init();
@@ -321,6 +327,9 @@ public class PatchSetInserter {
       patchSet.setRevision(new RevId(commit.name()));
     }
     patchSet.setDraft(draft);
+    if (uploader != null) {
+      patchSet.setUploader(uploader);
+    }
   }
 
   private void validate() throws InvalidChangeOperationException {

gerrit-server/src/main/java/com/google/gerrit/server/changedetail/RebaseChange.java

@@ -299,6 +299,7 @@ public class RebaseChange {
         .setCopyLabels(true)
         .setValidatePolicy(validate)
         .setDraft(originalPatchSet.isDraft())
+        .setUploader(uploader.getAccountId())
         .setSendMail(sendMail)
         .setRunHooks(runHooks);
 

gerrit-server/src/main/java/com/google/gerrit/server/git/ReceiveCommits.java

@@ -954,7 +954,7 @@ public class ReceiveCommits {
     }
 
     RefControl ctl = projectControl.controlForRef(cmd.getRefName());
-    if (ctl.canCreate(rp.getRevWalk(), obj)) {
+    if (ctl.canCreate(rp.getRevWalk(), obj, allRefs.values().contains(obj))) {
       validateNewCommits(ctl, cmd);
       batch.addCommand(cmd);
     } else {

gerrit-server/src/main/java/com/google/gerrit/server/git/strategy/RebaseIfNecessary.java

@@ -99,8 +99,9 @@ public class RebaseIfNecessary extends SubmitStrategy {
                 args.db, n.notes(), n.getPatchsetId())) {
               approvals.add(new PatchSetApproval(newPatchSet.getId(), a));
             }
-            args.db.patchSetApprovals().insert(approvals);
-
+            // rebaseChange.rebase() may already have copied some approvals,
+            // use upsert, not insert, to avoid constraint violation on database
+            args.db.patchSetApprovals().upsert(approvals);
             newMergeTip =
                 (CodeReviewCommit) args.rw.parseCommit(ObjectId
                     .fromString(newPatchSet.getRevision().get()));

gerrit-server/src/main/java/com/google/gerrit/server/project/CreateBranch.java

@@ -127,7 +127,7 @@ public class CreateBranch implements RestModifyView<ProjectResource, Input> {
         }
       }
 
-      if (!refControl.canCreate(rw, object)) {
+      if (!refControl.canCreate(rw, object, true)) {
         throw new AuthException("Cannot create \"" + ref + "\"");
       }
 

gerrit-server/src/main/java/com/google/gerrit/server/project/RefControl.java

@@ -233,9 +233,10 @@ public class RefControl {
    *
    * @param rw revision pool {@code object} was parsed in.
    * @param object the object the user will start the reference with.
+   * @param existsOnServer the object exists on server or not.
    * @return {@code true} if the user specified can create a new Git ref
    */
-  public boolean canCreate(RevWalk rw, RevObject object) {
+  public boolean canCreate(RevWalk rw, RevObject object, boolean existsOnServer) {
     if (!canWrite()) {
       return false;
     }
@@ -253,8 +254,8 @@ public class RefControl {
     if (object instanceof RevCommit) {
       return getCurrentUser().getCapabilities().canAdministrateServer()
           || (owner && !isBlocked(Permission.CREATE))
-          || (canPerform(Permission.CREATE) && projectControl.canReadCommit(rw,
-              (RevCommit) object));
+          || (canPerform(Permission.CREATE) && (!existsOnServer && canUpdate() || projectControl
+              .canReadCommit(rw, (RevCommit) object)));
     } else if (object instanceof RevTag) {
       final RevTag tag = (RevTag) object;
       try {

gerrit-server/src/main/resources/com/google/gerrit/server/tools/root/hooks/commit-msg

@@ -26,7 +26,7 @@ MSG="$1"
 #
 add_ChangeId() {
 	clean_message=`sed -e '
-		/^diff --git a\/.*/{
+		/^diff --git .*/{
 			s///
 			q
 		}
@@ -81,7 +81,7 @@ add_ChangeId() {
 	# Skip the line starting with the diff command and everything after it,
 	# up to the end of the file, assuming it is only patch data.
 	# If more than one line before the diff was empty, strip all but one.
-	/^diff --git a/ {
+	/^diff --git / {
 		blankLines = 0
 		while (getline) { }
 		next

tools/default.defs

@@ -152,7 +152,8 @@ def gerrit_plugin(
     mf_src = []
     mf_cmd += 'echo "Manifest-Version: 1.0" >$OUT;'
     mf_cmd += 'echo "Gerrit-ApiType: %s" >>$OUT;' % type
-    mf_cmd += 'echo "Implementation-Version: $v" >>$OUT'
+    mf_cmd += 'echo "Implementation-Version: $v" >>$OUT;'
+    mf_cmd += 'echo "Implementation-Vendor: Gerrit Code Review" >>$OUT'
     for line in manifest_entries:
       mf_cmd += ';echo "%s" >> $OUT' % line
   genrule(