From 109d6de0c53dcf2d77d9daea8ab50947507f6ca2 Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Wed, 8 Mar 2017 20:35:11 +0000
Subject: [PATCH] Adding a principal to 2 projects with member inheritance
 leads to an error (#25289).
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Patch by Felix Schäfer.

git-svn-id: http://svn.redmine.org/redmine/trunk@16381 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/models/member.rb | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/app/models/member.rb b/app/models/member.rb
index 06b90bf55..b19f78c6b 100644
--- a/app/models/member.rb
+++ b/app/models/member.rb
@@ -184,9 +184,11 @@ class Member < ActiveRecord::Base
       project_ids = Array.wrap(attributes[:project_ids] || attributes[:project_id])
       role_ids = attributes[:role_ids]
       project_ids.each do |project_id|
-        members << Member.new(:principal => principal, :role_ids => role_ids, :project_id => project_id)
+        member = Member.find_or_new(project_id, principal)
+        member.role_ids |= role_ids
+        member.save
+        members << member
       end
-      principal.members << members
     end
     members
   end