b950354 explicitly mention needed version of git and tar in the spec file

Authored and Committed by clime 4 months ago
    explicitly mention needed version of git and tar in the spec file
    
    git 2.13 was the least version I could test due to dependencies. The
    actual support might go down to git 2.7, in which the `git tag
    --merged` attribute was introduced
    
        
file modified
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