Fix fetching in old git versions
This fixes a regression introduced in 60e6c22d
Apparently, adding --tags makes old git versions to fetch only tags and no branches. The behavior was modified in git 1.9 to fetch both branches and tags:
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This fixes a regression introduced in 60e6c22d
Apparently, adding --tags makes old git versions to fetch only tags and no branches. The behavior was modified in git 1.9 to fetch both branches and tags: