git: add a Registry property to switch off incoming/outgoing branch info for all projects

platform/util/resources/misc/registry.properties

@@ -1213,6 +1213,8 @@ git.use.no.optional.locks=true
 git.use.no.optional.locks.description=Use 'GIT_OPTIONAL_LOCKS' env variable to avoid taking unnecessary locks in git. Ex: to avoid "git status" to interfere with 'git rebase' process in terminal.
 git.process.ignored=true
 git.process.ignored.description=Process and highlight Git ignored files.
+git.update.incoming.outgoing.info=true
+git.update.incoming.outgoing.info.description=Update branches info that have incoming/outgoing commits in the Branches popup.
 
 
 hg4idea.process.ignored=true

plugins/git4idea/src/git4idea/branch/GitBranchIncomingOutgoingManager.java

@@ -169,6 +169,7 @@ public class GitBranchIncomingOutgoingManager implements GitRepositoryChangeList
   }
 
   private void scheduleUpdate() {
+    if (!myGitSettings.shouldUpdateBranchInfo()) return;
     myQueue.queue(Update.create("update", () -> {
       List<GitRepository> toPull;
       List<GitRepository> toPush;

plugins/git4idea/src/git4idea/config/GitVcsPanel.java

@@ -14,6 +14,7 @@ import com.intellij.openapi.ui.ComboBox;
 import com.intellij.openapi.ui.DialogWrapper;
 import com.intellij.openapi.ui.Messages;
 import com.intellij.openapi.ui.TextFieldWithBrowseButton;
+import com.intellij.openapi.util.registry.Registry;
 import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.openapi.vcs.VcsBundle;
 import com.intellij.ui.EnumComboBoxModel;
@@ -189,7 +190,7 @@ public class GitVcsPanel implements ConfigurableUi<GitVcsConfigurable.GitVcsSett
     myProtectedBranchesField.setText(ParametersListUtil.COLON_LINE_JOINER.fun(sharedSettings.getForcePushProhibitedPatterns()));
     myUpdateBranchInfoCheckBox.setSelected(projectSettings.shouldUpdateBranchInfo());
     boolean branchInfoSupported = isBranchInfoSupported();
-    myUpdateBranchInfoCheckBox.setEnabled(branchInfoSupported);
+    myUpdateBranchInfoCheckBox.setEnabled(Registry.is("git.update.incoming.outgoing.info") && branchInfoSupported);
     UIUtil.setEnabled(myBranchTimePanel, myUpdateBranchInfoCheckBox.isSelected() && branchInfoSupported, true);
     updateSupportedBranchInfo();
     myBranchUpdateTimeField.setValue(projectSettings.getBranchInfoUpdateTime());
@@ -286,6 +287,7 @@ public class GitVcsPanel implements ConfigurableUi<GitVcsConfigurable.GitVcsSett
   }
 
   private void applyBranchUpdateInfo(@NotNull GitVcsSettings projectSettings) {
+    if (!Registry.is("git.update.incoming.outgoing.info")) return;
     boolean branchInfoSupported = isBranchInfoSupported();
     myUpdateBranchInfoCheckBox.setEnabled(branchInfoSupported);
     UIUtil.setEnabled(myBranchTimePanel, myUpdateBranchInfoCheckBox.isSelected() && branchInfoSupported, true);
@@ -302,6 +304,7 @@ public class GitVcsPanel implements ConfigurableUi<GitVcsConfigurable.GitVcsSett
   }
 
   private boolean isUpdateBranchSettingsModified(@NotNull GitVcsSettings projectSettings) {
+    if (!Registry.is("git.update.incoming.outgoing.info")) return false;
     return projectSettings.getBranchInfoUpdateTime() != (Integer)myBranchUpdateTimeField.getValue() ||
            projectSettings.shouldUpdateBranchInfo() != myUpdateBranchInfoCheckBox.isSelected();
   }

plugins/git4idea/src/git4idea/config/GitVcsSettings.java

@@ -7,6 +7,7 @@ import com.intellij.dvcs.branch.DvcsCompareSettings;
 import com.intellij.dvcs.branch.DvcsSyncSettings;
 import com.intellij.openapi.components.*;
 import com.intellij.openapi.project.Project;
+import com.intellij.openapi.util.registry.Registry;
 import com.intellij.util.ArrayUtil;
 import com.intellij.util.ObjectUtils;
 import com.intellij.util.xmlb.annotations.Attribute;
@@ -242,7 +243,7 @@ public class GitVcsSettings implements PersistentStateComponent<GitVcsSettings.S
   }
 
   public boolean shouldUpdateBranchInfo() {
-    return myState.UPDATE_BRANCHES_INFO;
+    return Registry.is("git.update.incoming.outgoing.info") && myState.UPDATE_BRANCHES_INFO;
   }
 
   public void setUpdateBranchInfo(boolean state) {