From f633a44ffba7c4a3b78aaecdb07aebdafa3814dd Mon Sep 17 00:00:00 2001
From: Kanstantsin Shautsou <Kanstantsin_Shautsou@epam.com>
Date: Sun, 11 Aug 2013 17:28:00 +0300
Subject: [PATCH] [JENKINS-17332] Allow sign up with username that exist
 because of SCM people.

---
 .../main/java/hudson/security/HudsonPrivateSecurityRealm.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/hudson/security/HudsonPrivateSecurityRealm.java b/core/src/main/java/hudson/security/HudsonPrivateSecurityRealm.java
index 620e90fcab..d7531637a2 100644
--- a/core/src/main/java/hudson/security/HudsonPrivateSecurityRealm.java
+++ b/core/src/main/java/hudson/security/HudsonPrivateSecurityRealm.java
@@ -310,7 +310,9 @@ public class HudsonPrivateSecurityRealm extends AbstractPasswordBasedSecurityRea
         else {
             User user = User.get(si.username, false);
             if (null != user)
-                si.errorMessage = Messages.HudsonPrivateSecurityRealm_CreateAccount_UserNameAlreadyTaken();
+                // Allow sign up. SCM people has no such property.
+                if (user.getProperty(Details.class) != null)
+                    si.errorMessage = Messages.HudsonPrivateSecurityRealm_CreateAccount_UserNameAlreadyTaken();
         }
 
         if(si.fullname==null || si.fullname.length()==0)
-- 
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