e7264355c83a0d0875b372b7ad26162adb363f6c
chmalee
  Tue May 12 13:20:28 2026 -0700
myVariants v1 follow-ups: CT edit gate, anon-user button gate, hgc duplicate link, item-name synthesis from ref/alt or HGVS, refs #33808

diff --git src/hg/hgTracks/hgTracks.c src/hg/hgTracks/hgTracks.c
index cd2668d9b1e..cb57b7d7557 100644
--- src/hg/hgTracks/hgTracks.c
+++ src/hg/hgTracks/hgTracks.c
@@ -8880,31 +8880,32 @@
 
 if (!multiRegionButtonTop)
     {
     printMultiRegionButton();
     hPrintf(" ");
     }
 hButtonMaybePressed("hgt.toggleRevCmplDisp", "Reverse",
                        revCmplDisp ? "Show forward strand at this location - keyboard shortcut: r, then v"
                                    : "Show reverse strand at this location - keyboard shortcut: r, then v",
                        NULL, revCmplDisp);
 hPrintf(" ");
 
 hButtonWithOnClick("hgt.setWidth", "Resize", "Resize image width to browser window size - keyboard shortcut: r, then s", "hgTracksSetWidth()");
 
 // put up the My Variants dialog if the hg.conf statement is present
-if (cfgOptionBooleanDefault("doMyVariants", FALSE))
+// and the visitor is logged in (anonymous users can't write to the table).
+if (cfgOptionBooleanDefault("doMyVariants", FALSE) && getUserName() != NULL)
     {
     hPrintf("<button id=\"myVariantsButton\" title=\"Add an item to the My Annotations track\">Add Annotation</button>");
     jsInline("var doMyVariants = true;\n");
     jsInlineF("var userIsLoggedIn = %s;\n", getUserName() != NULL ? "true" : "false");
     // Get existing project values for dropdown
     char *userName = getUserName();
     if (userName)
         {
         struct slName *projects = myVariantsGetProjects(userName);
         if (projects)
             {
             struct jsonElement *projectList = newJsonList(NULL);
             struct slName *proj;
             for (proj = projects; proj != NULL; proj = proj->next)
                 jsonListAdd(projectList, newJsonString(proj->name));