1147e5e78e17c3c47d7e625fe4d80f8f3f88b48b
gperez2
  Fri Aug 28 13:16:15 2026 -0700
Updating hgLogin's "choose a username" page to inform that a new account is created, refs #37929

diff --git src/hg/hgLogin/hgLogin.c src/hg/hgLogin/hgLogin.c
index b570e879194..85904827b20 100644
--- src/hg/hgLogin/hgLogin.c
+++ src/hg/hgLogin/hgLogin.c
@@ -1927,30 +1927,44 @@
 if (isEmpty(provider) || !pendingIdentityValid())
     {
     clearPendingIdentity();
     displayLoginPage(conn);
     return;
     }
 char *suggested = cartUsualString(cart, "hgLogin_userName", "");
 if (isEmpty(suggested))
     suggested = suggestUsername(conn, email, name);
 char *encSuggested = htmlEncode(suggested);   // both go into value="" attributes; escape (XSS)
 char *encEmail = htmlEncode(email);
 
 hPrintf("<div id=\"completeAccountBox\" class=\"centeredContainer formBox\">"
     "<h2>%s</h2>", brwName);
 hPrintf("<h3>Choose a username</h3>");
+if (sameWord(provider, "orcid"))
+    hPrintf("<p>A new genome browser account is created for any ORCID sign-in not seen before, "
+        "because ORCID only shares an ORCID iD, not an email address. So you cannot sign into an "
+        "existing account using ORCID. Use another sign-in option instead if you don't want to "
+        "create a new account.</p>"
+        "<p>Pick a username for your %s account. You can change the suggested name below.</p>",
+        brwName);
+else if (sameWord(provider, "cilogon"))
+    hPrintf("<p>A new genome browser account is created for any CILogon sign-in not seen before. "
+        "So you cannot sign into an existing account using CILogon this way. Use another sign-in "
+        "option instead if you don't want to create a new account.</p>"
+        "<p>Pick a username for your %s account. You can change the suggested name below.</p>",
+        brwName);
+else
     hPrintf("<p>You signed in with %s. Pick a username for your new %s account. "
         "You can change the suggested name below.</p>",
         oauthProviderLabel(provider), brwName);
 printUsernameNote();
 hPrintf("<span style='color:red;'>%s</span>", errMsg ? errMsg : "");
 hPrintf("<form method=\"post\" action=\"%s\" name=\"completeAccountForm\">", hgLoginUrl);
 hPrintf("<div class=\"inputGroup\">"
     "<label for=\"userName\">Username</label>"
     "<input type=\"text\" name=\"hgLogin_userName\" value=\"%s\" size=\"30\" id=\"userName\">"
     "</div>", encSuggested);
 hPrintf("<div class=\"inputGroup\">"
     "<label for=\"emailAddr\">Email address</label>"
     "<input type=\"text\" name=\"hgLogin_email\" value=\"%s\" size=\"30\" id=\"emailAddr\">"
     "</div>", encEmail);
 hPrintf("<div class=\"formControls\">"