00895cc Add support for git branch aliases

Authored and Committed by pingou 3 years ago
    Add support for git branch aliases
    
    Branch aliases are references pointing to another references. In this
    case, we only support branch references though, however using this
    feature you can, define a branch as being an alias of another, thus
    allowing to have two branches pointing to the same reference/commit all
    the time.
    
    Signed-off-by: Pierre-Yves Chibon <pingou@pingoured.fr>
    
        
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