Hide the pre-commit core.autocrlf check under the registry value until that functionality is tested.

platform/platform-resources-en/src/misc/registry.properties

@@ -259,3 +259,5 @@ dark.laf.available=true
 actionSystem.force.alt.gr=false
 completion.show.intention.icon=true
 tabs.alphabetical=false
+# temporary: until tested
+git.warn.about.crlf=false

plugins/git4idea/src/git4idea/checkin/GitCheckinHandlerFactory.java

@@ -20,6 +20,7 @@ import com.intellij.openapi.project.Project;
 import com.intellij.openapi.ui.Messages;
 import com.intellij.openapi.util.Pair;
 import com.intellij.openapi.util.SystemInfo;
+import com.intellij.openapi.util.registry.Registry;
 import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.openapi.vcs.CheckinProjectPanel;
 import com.intellij.openapi.vcs.ProjectLevelVcsManager;
@@ -97,7 +98,7 @@ public class GitCheckinHandlerFactory extends VcsCheckinHandlerFactory {
     @NotNull
     private ReturnResult warnAboutCrlfIfNeeded() {
       GitVcsSettings settings = GitVcsSettings.getInstance(myProject);
-      if (!SystemInfo.isWindows || !settings.warnAboutCrlf()) {
+      if (!Registry.is("git.warn.about.crlf") || !SystemInfo.isWindows || !settings.warnAboutCrlf()) {
         return ReturnResult.COMMIT;
       }