Added a comment

doc/todo/untracked_remotes/comment_4_75ae13c2135a2951b2af548139cb25cd._comment

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+[[!comment format=mdwn
+ username="https://www.google.com/accounts/o8/id?id=AItOawl9sYlePmv1xK-VvjBdN-5doOa_Xw-jH4U"
+ nickname="Richard"
+ subject="comment 4"
+ date="2014-01-02T01:15:40Z"
+ content="""
+Another use case of read-only repos:
+
+Instead of merging pull requests or anything, with git-annex, it makes most sense to simply set up the other party as a remote and `git annex sync`.
+This will attempt to push to the other remote.
+
+In this specific case:
+
+    % git annex sync
+    commit  
+    ok
+    pull origin 
+    ok
+    pull greggrossmeier 
+    ok
+    push origin 
+    Counting objects: 113, done.
+    Delta compression using up to 4 threads.
+    Compressing objects: 100% (84/84), done.
+    Writing objects: 100% (98/98), 25.16 KiB | 0 bytes/s, done.
+    Total 98 (delta 17), reused 1 (delta 0)
+    To git@github.com:RichiH/conference_proceedings.git
+     * [new branch]      git-annex -> synced/git-annex
+     * [new branch]      master -> synced/master
+    ok
+    push greggrossmeier 
+    Username for 'https://github.com': 
+    Password for 'https://github.com': 
+    remote: Anonymous access to greggrossmeier/conference_proceedings.git denied.
+    fatal: Authentication failed for 'https://github.com/greggrossmeier/conference_proceedings.git/'
+    Username for 'https://github.com': 
+    Password for 'https://github.com': 
+    
+      Pushing to greggrossmeier failed.
+    
+      (non-fast-forward problems can be solved by setting receive.denyNonFastforwards to false in the remote's git config)
+    failed
+    git-annex: sync: 1 failed
+    %
+
+"""]]